Cylindropuntia imbricata |
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coyonostyle, tree cholla |
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Habit | Trees, with short trunks, or large shrubs, widely branching, (1–)1.5–2.5(–5) m. Stem segments firmly attached, whorled or subwhorled, gray-green, cylindric to weakly clavate, 10–40 × 1.5–4 cm; tubercles very prominent, widely spaced, (1.5–)2–5 cm; areoles elliptic, 5–8× 3–4 mm; wool yellow to tan, aging gray to black. | ||||
Spines | (5–)8–15(–30) per areole or spineless to nearly spineless, usually at most areoles, not obscuring stems, spreading, straight or slightly curved, silver to yellow to usually ± red or tan to brown, stout, terete or sometimes flattened basally, 8–30(–40) mm subequal; sheaths silver to yellow to usually tan to dirty white, yellow tipped. |
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Glochids | in dense adaxial tuft, pale yellow, 0.5–3 mm. |
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Flowers | inner tepals dark pink to magenta to red-magenta, obovate, apiculate, 15–35 mm; filaments green basally to pink to magenta distally; anthers yellow; style light green basally or pink to red-magenta apically; stigma lobes green or cream. |
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Fruits | not proliferating, yellow, obovoid, 24–45 × 20–40 mm, fleshy, tuberculate, spineless; areoles 18–30; tubercles nearly equal in length or longer in proximal portion of fruit, prominent (occasionally smooth at maturity); umbilicus 7–14 mm deep. |
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Seeds | yellow-tan, subcircular to angled, warped, 2.5–4 mm diam., sides smooth to slightly lumpy; girdle usually narrow, not protruding. |
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Cylindropuntia imbricata |
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Distribution |
AZ; CO; KS; NM; OK; TX; n Mexico
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Discussion | Varieties 2+ (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 4, p. 112. | ||||
Parent taxa | Cactaceae > subfam. Opuntioideae > Cylindropuntia | ||||
Sibling taxa | |||||
Subordinate taxa | |||||
Synonyms | family cactaceae Cereus imbricatusH, Opuntia imbricata | ||||
Name authority | (Haworth) F. M. Knuth: in C. Backeberg and F. M. Knuth, Kaktus-ABC, 125. (1935) | ||||
Web links |