Cylindropuntia bigelovii |
Cylindropuntia kleiniae |
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teddy-bear cholla |
candle cholla, Klein cholla, Klein's pencil cactus, tasajillo |
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Habit | Shrubs scraggly, openly branched, 0.5–2.5 m. Stem segments usually alternate, green, 4–20 × 0.6–1.2 cm; tubercles obvious, 1–2.5 cm; areoles subcircular to oval, 2.5–3.5 × 2–3 mm; wool yellow, aging gray to black. | |
Spines | (0–)1–2(–4) per areole, at most areoles, straight to slightly arched, commonly deflexed, not obscuring stem, yellow to gray, tipped yellow, acicular, the longest 1–3 cm. |
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Glochids | in adaxial tuft, yellow, 0.5–2.5 mm. |
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Flowers | inner tepals greenish basally to reddish bronze, tinged magenta apically, spatulate-apiculate, 15–25 mm; filaments greenish basally to bronze distally; anthers yellow; style greenish bronze; stigma lobes cream. |
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Fruits | green becoming red, obovoid to cylindric, 13–34 × 10–20 mm, fleshy, low tuberculate to smooth, spineless; tubercles subequal; umbilicus 3–6 mm deep; areoles 16–28. |
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Seeds | tan, squarish to oval, 4–5 × 3.5–4 mm, warped, sides smooth to lumpy; girdle broad, low-ridged. |
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2n | = 44. |
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Cylindropuntia bigelovii |
Cylindropuntia kleiniae |
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Phenology | Flowering late spring–early summer (May–Jun). | |
Habitat | Chihuahuan Desert, creosote bush-mesquite flats, limestone rocky slopes | |
Elevation | 800-1800 m (2600-5900 ft) | |
Distribution |
AZ; CA; NV; nw Mexico
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NM; TX; Mexico (Chihuahua, Coahuila, Durango, Nuevo León)
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Discussion | Varieties 2 (1 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
In western Texas and northern Mexico, Cylindropuntia kleiniae forms hybrids with C. leptocaulis (= C. ×antoniae P. V. Heath) that have varying degrees of morphologic intermediacy and chromosome number of 2n = 33. In northern Mexico, C. kleiniae hybridizes with C. imbricata var. imbricata. Cylindropuntia kleiniae itself may be of hybrid origin. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 4, p. 109. | FNA vol. 4, p. 107. |
Parent taxa | Cactaceae > subfam. Opuntioideae > Cylindropuntia | Cactaceae > subfam. Opuntioideae > Cylindropuntia |
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | Opuntia bigelovii | Opuntia kleiniae, Opuntia wrightii |
Name authority | (Engelmann) F. M. Knuth: in C. Backeberg and F. M. Knuth, Kaktus-ABC, 125. (1935) | (de Candolle) F. M. Knuth: in C. Backeberg and F. M. Knuth, Kactus-ABC, 123. (1935) |
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