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Cylindropuntia imbricata
© Copyright Bobby Hattaway 2011 · 5
Cylindropuntia imbricata

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Cylindropuntia bigelovii
© Copyright Bobby Hattaway 2011 · 3
Cylindropuntia bigelovii
Cylindropuntia fulgida
© Copyright Bobby Hattaway 2011 · 2
Cylindropuntia fulgida

Cylindropuntia fulgida
© Copyright Bobby Hattaway 2011 · 2
Cylindropuntia fulgida

Associates · map
FamilyScientific name @ source (records)
Apidae  Diadasia @ UCRC_ENT (1)

Diadasia australis @ UCRC_ENT (5)

Diadasia rinconis @ UCRC_ENT (4)
Cerambycidae  Moneilema appressum @ UCRC_ENT (1)

Moneilema semipunctatum @ UCRC_ENT (2)
Dactylopiidae  Dactylopius tomentosus @ CSCA_TCN (4)
Megachilidae  Heriades timberlakei @ UCRC_ENT (3)

Lithurgopsis apicalis @ AMNH_BEE (17)

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FNA Vol. 4 Page 94, 95, 102, 103 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 4 | Cactaceae

2. Cylindropuntia (Engelmann) F. M. Knuth in C. Backeberg and F. M. Knuth, Kaktus-ABC. 410. 1935.

Cholla [Latin cylindrus , cylinder, and Opuntia , the genus from which this segregate was removed]

Donald J. Pinkava

Opuntia Miller subg. Cylindropuntia Engelmann, Proc. Amer. Acad. Arts 3: 302. 1856; Opuntia sect. Cylindropuntia (Engelmann) Moran ex H. E. Moore

Trees or shrubs , rarely forming mats, erect, usually many branched. Stem segments firmly attached to easily dislodged, straight to curved, cylindric to slightly clavate, 2-40(-50) × 0.3-5.5 cm, usually glabrous, tuberculate; areoles elliptic, circular, ovate, obovate, or obdeltate to rhombic, 0.7-5 mm diam.; wool white, yellow, or tan to brown. Spines with whole epidermis sheath deciduous; major spines not or only basally angularly flattened. Glochids usually in tuft at adaxial margin, yellow to brown. Flowers bisexual or sometimes functionally pistillate, radially symmetric; outer tepals green with margins tinged color of the inner; inner tepals yellow-green, yellow to bronze, or red to magenta, spatulate, emarginate-apiculate. Pollen spinulo-punctate, not reticulate (cylindropuntioid type). Fruits, if fleshy, green, yellow, or scarlet, sometimes tinged red to purple or, if dry, tan to brown, cylindric to subspheric, sometimes clavate, fleshy or dry, spineless or spiny; areoles bearing short feltlike wool of various colors, often tan or gray. Seeds pale yellow to tan or gray, flattened to subspheric, angular to squarish or circular, often warped, 1.9-7 mm, commonly bearing 1-4 large depressions per side due to pressure from adjacent developing seeds, glabrous; funicular girdle smooth or with low marginal ridge. x = 11.

Species ca. 35 (22 in the flora): sw and sc United States, Mexico, West Indies; introduced to South America (Chile, Ecuador, Peru) and South Africa, and widely cultivated.

Interspecific cholla hybrids are known, and many have been named. Only two are fully treated here: Cylindropuntia × kelvinensis, because it is so widespread, and C. × tetracantha, because it has been confused with other hybrids. Additional named hybrids are described briefly and cross-referenced under the putative parental taxa entries.


Pinkava, D. J. 1999. Cactaceae cactus family: Part 3. Cylindropuntia.... J. Arizona-Nevada Acad. Sci. 32: 32-47.

Updated: 2024-05-29 09:50:45 gmt
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