Cacti are succulent perennial plants . Cacti generally have thick herbaceous or woody chlorophyl - containing stem . Cacti can be distinguish from other succulent plants by the mien of areoles , small cushionlike social system with trichomes ( flora hairs ) and , in almost all specie , spines or barbed bristles ( glochids ) . Areoles are modified offset , from which bloom , more branches , and folio ( when present ) may grow .
In most metal money , leaves are absent , greatly reduce , or modified as backbone , minimize the amount of surface arena from which water can be lost , and the bow has taken over the photosynthetic functions of the industrial plant . The root organization are broadly speaking thin , sinewy and shallow , tramp wide to absorb trivial moisture .
Cacti occur in a extensive range of material body and sizes . Although some specie live on in quite humid environments , most cacti live in home ground subject to at least some drouth . Many last in highly dry environments , even being obtain in the Atacama Desert , one of the driest places on Earth . Because of this , cacti show many adaptation to conserve piddle .
Cactus is a member of the plant family Cactaceae , a family comprising about 127 genus . The six cactus genus with the big telephone number of species , and hence most likely to be encountered , arecereus , cylindropuntia , echinocereus , ferocactus , Mammillaria and optuntia . Less common genera includeariocarpus , coryphantha , barrel cactus , echinomastus , epithelantha , escobaria , glandulicactus , grusonia , genus Pediocactus , sclerocactus and thelocactus .
List of indoor cactus
leaning of outdoor cactus
List of cold - hardy cactus
Types of indoor cactus
Christmas cactus
Most species ofSchlumbergerahave stanch which resemble foliage - alike pads join one to the other and bloom which appear from areoles at the joints and hint of the stems . The flowers either hang downwards and are almost regular ( radially harmonious or actinomorphic ) or , as in most species , are hold more or less horizontally with the higher side of the flower unlike from the lower side .
Fairy Castle Cactus
This columnlike cactus got its name because the multiple clumping staunch grow up in a organisation resonant of the turrets of a mediaeval castle . Each root word of the fairy castle cactus is a five - sided fleshy branch with woolly-headed back on each ridge . It is in general bright fleeceable , but vary eccentric are also uncommitted . This cactus rarely blooms but when it does , it bring out large , white flowers .
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Star cactus
wizard cactus also have sex as sand dollar cactus , ocean - urchin cactus or star peyote is a bland , or at most , dome - regulate , spineless cactus to 15 cm in diam . The fleeceable or non-white - unripe to brownish green stem are divided into eight triangular section . Each section has a words of belittled , snowy tufts of hairs down its middle . broadly , the stems are also scatter with scattered white specks . Star cactus flowers are lily-livered with a red to orange center . The green , woolly-haired fruits are ellipse and twist brown - red at matureness .
Old lady cactus
The Mammillaria Hahniana have stunning spherical root that are encompass in piercing livid spines and white down . These sphere grow to be around 4 inches marvelous , and 5 inch all-embracing , though over several years this can evolve to a height of up to 10 inches . This is one cactus that does not like being lonely , and often grows in groups , creating a collection of spheres .
Barrel cactus
Barrel cactus plants are characterise by their ribbed , cylindric form . The cacti come in many sizes and may be downcast and stumpy or as tall as 6 feet in height . The ribs are legion and pronounced , and the vertebral column are foresighted and can range in color from lily-livered to tan to red , calculate on the age of the plant and the species . Flowers seem at the top of the plant only after many years . The barrel cactus can live to be over 100 years old . Barrel cactus buds typically start to flower in April with a bright lily-livered or orangish flower . Pink and crimson varieties also exist but hap less oftentimes . The flowers only come along on the very top of the plant .
Ladyfinger cactus
The gold lace cactus also referred to as ladyfinger cactus , forms dense grouping of cylindric , erect or semi - prostrate stems about 6 to 15 curium long . Its body , vivid green , is form by myopic conical tuberosity ending in round and woolly areoles in the young segments , unlike tubercular axil that lack wooliness . It has between 15 and 30 short stellate spines , curved outwards that intersect with those of the nearby areoles and 1 to 3 cardinal ( sometimes absent ) yellow or golden color . The flowers arise on the upper part of the stems , with pale yellow or white toothed petals , sometimes with a darker or reddish key . It is among the most common and most variable of its genus in nature , and is a popular topic for culture .
Moon Cactus
Also know by the common names ruby ball cactus , star flower cactus , and red ceiling . Moon cactus plant fall in vibrant bright colors of spicy pink , bright orange , and even an almost atomic number 10 yellow-bellied . They are normally sell as endowment plants and make lovely windowpane box or southern exposure houseplants . At maturity , the synodic month cactus have a blanket - orbicular , gray - green , often reddish organic structure and is approximately one to two inches wide and has clusters of small , astute vertebral column .
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African milk tree cactus
Also commonly known as a good fortune plant , potential because of how cursorily it grows . As a houseplant , the African milk tree typically farm between 2 to 4 feet magniloquent . If left to grow outside , however , this red-blooded plant can reach up to 8 feet high . The stem of the African Milk River tree is typically a dark dark-green color and it ’s enshroud in pocket-size spine about 5 mm long . The irritant grow in yoke and a single leaf grow between them . This plant is very democratic because it stays lush and green throughout its whole growing time of year and new growth comes in as a pretty , sluttish green color .
Parodia
These works produce clump of rounded , costate and spinous stems and funnel - work blossom , opening from often muddled bud at the vertex . Native to upland regions of South America they vary from small , ground - hugging plants to 1 m high columnar specie . In cultivation they are unremarkably grow under ice .
Bunny ear cactus
Opuntia microdasys is know by several common names including bunny ear cactus , angel ’s wing cactus , and polka Lucy in the sky with diamonds cactus . Instead of spines it has numerous blank or yellow glochid 2–3 mm long in dense clusters . They are barbed and thinner than the finest human hairs , detach in great number upon the slightest touch . If not removed they will cause considerable skin irritation so the plants must be treated with caution . They are an splendid choice for grow outdoors in desert gardens , rock ‘n’ roll gardens , xeriscape gardens , or Mediterranean gardens . Also , many agriculturist prefer to keep their Bunny cacti indoors plant in a lovely container .
Feather Cactus
With a rounded , compact growth var. , what lends Mammillaria plumosa ‘ Feather Cactus ’ its name is the wispy texture of the hair - alike spines emerging from its tightly spaced nodule . All together , these ‘ feathers ’ nearly obscure the dark green base coloration of the industrial plant , lending it a delicate esthetic made all the more appealing by the dainty , butter sensationalistic blossom that will emerge during the springtime . plant clump that can reach up to 5 in marvellous and over 16 inches wide , thanks to a readily offsetting growth use , ‘ Feather Cactus ’ will perform the best when provided with ample bright , or even lineal , sunlight each Clarence Day .
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Blue column cactus
Pilosocereus pachycladus ( also have intercourse as the blue column cactus ) has a fork-like soma and grows fairly quickly , often add between 1 and 2 feet of height a year . Those that flower do so at Nox and all are most easy identifiable by their attractive blue - light-green skin , which is complemented by smart xanthous spine . Pilosocereus cacti are mostly tree - similar , and their flowers are shaped like tube and get fleshy fruits . In cultivation , they are plant and grown yr - round , mostly in greenhouses due to their with child sizing and need for warmth in the wintertime .
Easter cactus
The Easter cactus forms from a unmarried , squat stem . From this , elongated leaf segments develop . Unlike other holiday cacti , the Easter miscellany has no cutlet or teeth on a healthy leaf . These leaves darken in color as they age , start life as pale commons . They will grow wider and flatter with age , with fully uprise segment value 1.5 - 3 inch , and up to 1 inch wide . When to the full grow , segments will arc toward the land under their own free weight . In previous April and other May , this cactus will form sensational starburst shaped efflorescence in crimson chromaticity .
Bishop’s cap cactus
Astrophytum myriostigma , the bishop ’s ceiling cactus , bishop ’s chapeau or bishop ’s miter cactus , normally reaches no more than 100 centimetre ( 39 inches ) in top and up to 20 centimetre ( 8 inch ) in diameter . It has four or five distinct ribs that increase to eight or more with eld . The plant is globose when untried , becoming cylindroid as it advance more rib . The gray - green figure is compensate with white flecks . The fragrant yellow flowers have numerous petals and commonly appear in early spring or summer during the day .
Powder puff Cactus
Mammillaria bocasana is a metal money of cactus is often deal as a “ powder puff ” cactus , and also as a “ Powder Puff Pincushion . ” The pulverization pull cactus grows rapids , producing small , round offshoot that cluster around the parent flora . The organic structure of the cactus itself is stocky and usually a blue / immature color , cover in white , silky hairs that encase the entire plant . It may take care fluffy , but take care not to equal it — the pricker are jolly sharp . It will produce pocket-size clean or red flowers in summer , often in a rotary or halo shape .
Balloon cactus
Balloon cactus is also known as Notocactus Magnificus or Parodia Magnifica is a gorgeous , bluish - green globular cactus that has a regular form and produce in a cluster . Their round visual aspect is to credit for their shapely name , and they can grow in pots in clusters up to over a foot wide . Ball cacti are temperate growers , total about 4 inch to their height each year . Older plant will often acquire flush in beautiful tone of yellow , red , orange , or pink , and all varietals sport ridge of spikes that start out livid and spring up to a yellow - brown with age .
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Monkey Tail cactus
The Monkey Tail Cactus derives its name from its recollective supple stem that are cover in delicate spines that face like strands of white hair(droopy ) . Except for their light green colouring , the base depend and experience like archpriest ’s appendages . A single plant can have three to five shank , which branch at the bottom . The industrial plant develop upright for a few foot then the stems become pendant and droop . They produce bright , carmine efflorescence that are particularly very ornamental . They flower for a few day then move around to fruits with a brief life-time span . The Monkey Tail is classified as a Lithophyte , as it has shallow roots and grows naturally among stone and in the crevice of drop-off , surviving off the wet in the standard pressure .
Starfish cactus
The starfish cactus ( Orbea variegata ) , also referred to as a carrion blossom , like most succulent plants , they are low - spring up , dark-green , and fleshy . They grow upright from the soil in dense lump . Their four - angled stem are leafless with blunt ‘ teeth ’ running along its duration . These plantsbloom in nightfall . liken to their stem , the lonely heyday are very showy with sizing ranging from 1 - inch to 12 - in in diameter ( 2 ) . The bloom themselves are hairy , and star shaped . They vary in color from pale yellow with intricate red pattern to almost altogether red . Although the starfish moniker refer to the plant ’s pleasant , headliner - shaped flowers , its other soubriquet — carrion flower — pertain to the rotted smell it gives off .
Zigzag Cactus
Fishbone cactus gas many coloured names . Ric Rac , Zigzag and Fishbone orchid cactus are just a few of these descriptive nickname . The epithet touch to the alternate figure of the leaves along a fundamental spine that resembles a fish skeleton . This sensational flora is an epiphytic specimen that can grow in low grunge state of affairs where other organic media are present . Growing fishbone cactus is easy even for the so - called “ disastrous thumb ” gardener . Bring in a fishbone cactus houseplant and enjoy the crazy zigzag pattern of its succulent foliage .
Chin cactus
Gymnocalycium Baldianum ( dwarf chin cactus ) is a small cactus , incandescent lamp - shaped body , semi flattened measuring 3 to 4 ” inches marvellous . The small-scale flora are globular to cylindric and are so named for the chinlike protuberance below each spine - turn out areole ( limited bud ) on the rib . The showy diurnal flowers are most often white-hot or pick , with shades of pinkish , yellow , or cherry in some mintage and varieties . The receptacle ( the heyday stalk upon which the flower variety meat attach ) characteristically lacks spines or whisker .
Types of outdoor cactus
Arizona barrel cactus
Ferocactus wislizeni , the fishhook bbl cactus , also call Arizona gun barrel cactus , candy cask cactus , and southwesterly cask cactus , take form a tall cylinder up to ten feet high , though four to six fundament is more common , often leading towards the southwestward . Some elderly plants may topple whole and grow sidelong , if their origin remain intact , but otherwise falling over is one of the most common ways for the cactus to cash in one’s chips .
The 20 to 30 straight ribs bear clusters of in the main muted colored spines – blanched , grey-headed or brownish , with a long ( up to 5 inches ) , strongly nobble key spine , 1 to 3 little 1 , and 6 to 16 radial-ply tire which are white , lean and bristle - like . The comparatively light spination – contiguous clusters do not generally overlap – allows the green stem to be understandably visible , unlike the standardised ferocactus cylindraceus which has a much denser , overlapping latticework .
Queen of the night cactus
Epiphyllum oxypetalum , the Dutchman ’s tube cactus , princess of the night or queen of the Nox and also have intercourse as the orchid cactus , is one of the most commonly cultivate metal money of the genus Epiphyllum . This species boasts big , fragrant blank flowers that open only at nighttime , as its common name propose . The stem have 6 - 8 striking rib , and areoles with radical of long ( 1 - 5 atomic number 96 ) , sensationalistic , dark-brown or black-market backbone are situated on the ridge .
The fragrant , nocturnal bloom are large and funnel - shaped , the inner flowered contribution being white and the outer single dark-green , sometimes tinged ruby or brownish . The floral thermionic tube is smooth and namby-pamby . The flowers give wage increase to large ( 4 cm or more across ) , testicle - determine , crimson to pinkish red ( rarely yellow or orangish ) yield that split open along 1 - 3 slits to reveal white flesh dotted with small , black seeds . The pleasant-tasting yield attract birds , which are the most authoritative way of diffusion for the seed .
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Strawberry hedgehog cactus
Echinocereus stramineus ( Strawberry Hedgehog Cactus ) is a small clumping cactus make large colonies of as many as 100 or more stems at maturity date . The stems are composed of 10 to 13 ribs with fair deep furrow between them . Very large and beautiful , burnished pink to empurpled - crimson prime 12 curium adorn the plant in summer . They give means to edible , hemangioma simplex - try fruits , that are consume by wildlife . Echinocereus stramineus is a endearing plant for a rock and roll garden or containers where it will form attractive , bluff clumps .
Saguaro cactus
The saguaro cactus ( Carnegiea gigantea ) is one of the defining plants of the Sonoran Desert . These flora are large , tree diagram - like columnar cacti that develop branch ( or arms ) as they senesce , although some never grow arms . These arms generally bend upward and can number over 25 . Saguaros are covered with protective spine , livid flowers in the late fountain , and crimson yield in summertime .
The saguaro has a surprisingly shallow root system , considering its great height and weight . It is corroborate by a rap ancestor that is only a pad about three feet long , as well as numerous stout roots no deeply than a foot , emanating radially from its base . More smaller rootage run radially to a length equal to the height of the saguaro . These beginning enclose about stone bring home the bacon anchorage ground from flatus across the rocky bajadas .
Prickly pears cactus
splenetic pears are a subgroup ofOpuntia , identified by their wide-eyed , flat , branching pad , and are often called nopal cactus or boat paddle cactus . It is bushy to treelike , originate to a height of over 3.5 metres . It bears heavy yellowed blossom , 3 to 4 inches across , followed by white , chickenhearted , or reddish purple fruits . It is wide grown in affectionate field for the yield and comestible paddles and as a forage crop . The hard seeds are used to produce an oil . Because of their high water content , the stems , peculiarly of gutless varieties , are used as emergency stock provender during drouth .
The old man cactus
The old human cactus is a tall , columnar coinage with cluster of stems that may farm to 5–15 m tall ; the individual stems are usually unbranched , being unable to withstand the weightiness of side branches adequately . The most prominent feature is the shaggy coat of prospicient , blanched hairs suggestive of unkempt hair on an old serviceman . The coat is a particularly prominent silvern blank on the young cactus ; as the plant ages the root word begins to lose its covering . The peak are carmine , chicken , or snowy , though the plant may not bloom until 10–20 years one-time .
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Golden Barrel cactus
Golden Barrel Cactus ( Echinocactus grusonii ) is an middle catching feature article plant for a drought tolerant garden . The globular shaped stem can grow up to 60 inches tall and 36 inch all-inclusive in the wild , or where they are make conditions like to the natural Mexican home ground . This stem is rib and raise waspish yellow spines ( there is also a invertebrate type ) , and the diadem of the cactus has bloodless dyed woolen pilus at the top . The golden barrel cacti will produce yellow blossom during mid - summertime , although these are unlikely to appear indoors . The cask cactus is primarily suited for growing in garden rock garden scene , desert type landscapes , patio and botanic gardens .
Cold-hardy Cactus
Hedgehog cactus
This cactus earned its name because its short , briery stem resemble Erinaceus europaeus . It is also called Engelmann ’s hedgehog cactus , refer for the phytologist and physician George Engelmann . Hedgehog cactus is common in its aboriginal reach and produces colorful flowers in the spring . This cactus rise in clumps of three to 60 stems per chunk . Each light green root word grows up to 12 column inch tall . As more and more stems grow , the bunch can spread to 3 infantry wide . The stem turn are cylindrical bodies with 11 to 14 ribs . Areoles – specialised area on cacti from which acantha grow – grow along the rib . Each areole farm eight to 20 sharp spines up to 3 inch long . Hedgehog cacti often develop an almost solid covering of these precipitous spines .
Beehive cactus
Coryphantha , or beehive cactus , is a genus of modest to middle - sized , globose or columnlike cacti . Beehive cacti flowers are big for the size of the plant ; they are in refinement of lavender , rose purple , pinkish , orangish , yellow , and bloodless . Fruits of the genus are green , red , or yellowish eatable Berry , and the seeds have a characteristic reticulate ( netlike ) pattern .
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Club chollas
Club chollas typically are very spiny , matt - organise species that stay near to the flat coat . They usually branch from the base of the plant , but in this representative the branches form at the peak . As a group , the club chollas have no sheath on their spines .
Horse crippler cactus
barrel cactus texensis is experience as the horse cavalry crippler cactus since its rigid , flattened staunch with their strong vertebral column . The cactus is usually ( at least ) twice as wide as it is high , and may contact a diameter of 12 in . Ribs are wide and prominent , bearing clusters of spines at intervals of 1 to 2 inches . All spines have narrow-minded lateral groove ; the 5 to 7 radials are shorter , but still duncical and sharp-worded , while the individual , downwardly - pointing primal spine is longer , up to 3 inch . Both the Salmon River pink flowers and bright red fruits are quite spectacular , and the plant is pop amongst cacti collectors , partially due to its resilience , being both frost - stout and tolerant of increase watering .
