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teddy-bear cholla

candle cholla, Klein cholla, Klein's pencil cactus, tasajillo

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.

Glochids

in adaxial tuft, yellow, 0.5–2.5 mm.

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.

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.

Seeds

tan, squarish to oval, 4–5 × 3.5–4 mm, warped, sides smooth to lumpy;

girdle broad, low-ridged.

2n

= 44.

Cylindropuntia bigelovii

Cylindropuntia kleiniae

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
from FNA
AZ; CA; NV; nw Mexico
[WildflowerSearch map]
[BONAP county map]
from FNA
NM; TX; Mexico (Chihuahua, Coahuila, Durango, Nuevo León)
[WildflowerSearch map]
[BONAP county map]
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
C. abyssi, C. acanthocarpa, C. arbuscula, C. californica, C. davisii, C. echinocarpa, C. fulgida, C. ganderi, C. imbricata, C. kleiniae, C. leptocaulis, C. munzii, C. prolifera, C. ramosissima, C. spinosior, C. tunicata, C. versicolor, C. whipplei, C. wolfii, C. ×kelvinensis, C. ×tetracantha
C. abyssi, C. acanthocarpa, C. arbuscula, C. bigelovii, C. californica, C. davisii, C. echinocarpa, C. fulgida, C. ganderi, C. imbricata, C. leptocaulis, C. munzii, C. prolifera, C. ramosissima, C. spinosior, C. tunicata, C. versicolor, C. whipplei, C. wolfii, C. ×kelvinensis, C. ×tetracantha
Subordinate taxa
C. bigelovii var. bigelovii
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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