Coryphantha (G. Engelmann) Lemaire (1868)
(greek koryphe = top, tuft, greek anthos = flower)
tuft flowering
globular or elongated, few clumping, tubercles with furrow
spines strong, often curved
flowers central, most yellow, also with red center or white and red
fruits greenish, bare; seeds brownish |
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Distribution |
British Columbia, south Canada, USA to south Mexico
warm arid areas |
Growth period |
full sun, breezy and warm location
this genus ist sensitive to moisture, therefore rarly pour and root neck keep dry
during flower period slightly more moisture, buds can dry up
in mid summer short dry period on sunny location
this genus is very advisable for cultivation in a cold frame or a greenhouse |
Winter period |
dry and light at 4–12°C (39–53°F) |
Substrat |
mineral with the addition of clay, root neck between cravel or crushed pumice |
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| Coryphantha clavata (M. J. Scheidweiler) C. Backeberg (1941) |
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Habitat |
Mexico
Querétaro, Jalisco,
Zacatecas, San Luis Potosí,
Guanajuato |
Description |
clavate Coryphantha
elongate to clacate, to 7 cm (2.7 in) Ø, dark green, also reddisch, taproot
crown dense wooly
tubercles to 2 cm (0.7 in) long, red glands
axils white; areoles white
about 9 radial spines, 0,8–1,5 cm (0.3–0.6 in) long, early brownish, below red
0–1 central spine, yellowish to brown, often dark banded
flowers to 5 cm (1.9 in)
Ø, shiny yellow, sepal rare slightly hairy
seeds brown
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Synonyms |
Mammillaria clavata M. J. Scheidweiler (1838)
Neolloydia clavata (M. J. Scheidweiler) Britton & Rose (1923)
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CITES |
Appendix II |
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