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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Perennial herb, shrub, tree, generally fleshy. Stem: cylindric to spheric, or flat; surface smooth, tubercled, or ribbed (grooved); nodal areoles bearing flowers. Leaf: generally 0 or early-deciduous, flat to ± cylindric. Spines: areoles generally with central, radial spines, occasionally with glochids. Flower: generally 1 per areole, bisexual [unisexual], sessile, radial [bilateral]; perianth parts generally many , scale-like to petal-like; stamens many; ovary inferior [superior], style 1, stigma lobes generally several [many]. Fruit: dry to fleshy or juicy, indehiscent to variously dehiscent, spiny, scaly, or naked; tubercled or smooth. Seed: generally many, occasionally 0–few.
± 125 genera, ± 1800 species: America (especially deserts), Africa; many cultivated, some edible. [Parfitt & Gibson 2004 FNANM 4:92–257] Spines smaller, fewer (0) in shade forms; yellow spines blacken in age. Introduced species increasingly escape cultivation. Hybridization common in some genera. Taxa of Escobaria in TJM (1993) moved to Coryphantha. —Scientific Editors: Bruce D. Parfitt, Douglas H. Goldman, Bruce G. Baldwin, Thomas J. Rosatti.
Unabridged references: [Hunt 2006 The New Cactus Lexicon, DH Books, Milborne Port, England]
Key to Cactaceae
Shrub or small tree, erect to decumbent, many-branched. Stem: regularly segmented, segments generally < 50 cm, < 5 cm diam, cylindric, fleshy, glabrous; ribs generally 0; tubercles generally elongate. Leaf: conic to cylindric, deciduous. Spines: 1–many per areole, < 2 mm diam, generally needle-shaped, smooth, straight, tip smooth or barbed, epidermis separating as a papery sheath; central spines generally not distinct from radial spines; glochids generally numerous in each areole. Flower: lateral to terminal, from distal portion of areole, 1.8–8 cm diam; perianth yellow, yellow-green, orange-yellow, to bronze, pink, or red; ovary glabrous, spines 0–many, glochids many in each areole, scales 0. Fruit: indehiscent; spheric or cylindric to obconic, dry or fleshy to leathery in age, green to dark yellow, glabrous, spiny or spines 0. Seed: 1.9–7 mm, flattened to ± spheric, surface smooth to angular, within an aril, bony and ± white when dry.Key to Cylindropuntia
36 species: America. (Cylindric Opuntia) [Baker & Cloud-Hughes 2014 Madroño 61:231–243; Mayer et al. 2011 Madroño 58:106–112] Hybridization common. Young buds of some species used for food, many species for ornament. Cylindropuntia chuckwallensis newly described, added as native.
Unabridged references: [Pinkava 2002 Succ Plant Res 6:59–98; Rebman & Pinkava 2001 Florida Entomol 84:474–483]
Plant 1–2 m. Stem: trunk generally 1; main branches few, short, spreading; terminal segments generally < 15 cm, 3–5 cm diam, easily detached; tubercles 4–11 mm, < 3 mm high. Spines: 4–12, < 2.5 cm, pale yellow-brown, dark brown in age, sheath translucent to pale brown. Flower: inner perianth < 4 cm, pale yellow or light green to ± white; filaments green. Fruit: leathery, yellow, proximal tubercles ± = distal; base obtuse; spines 0–few, thin, early-deciduous. Seed: < 4 mm, generally sterile.
2n=22,33. Rocky fans, benches, creosote-bush scrub; < 1000 m. Mojave Desert (Kelso Dunes), Sonoran Desert; southern Nevada, Arizona, northern Mexico. [Opuntia bigelovii Engelm.] Generally reproduces by rooting of detached stem segments. Mar–May [Online Interchange]
Previous taxon: Cylindropuntia acanthocarpa var. acanthocarpa
Next taxon: Cylindropuntia californica
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 26 2015
Citation for this treatment: [Author of taxon treatment] 2013. Cylindropuntia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=80393, accessed on Apr 26 2015
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© 2005 Dr. Amadej Trnkoczy
|Geographic subdivisions indicated for the distribution of Cylindropuntia bigelovii|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
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