Gymnocactus Backeberg (1938)
(Greek gymnos = naked, Latin cactus = cactus)
naked (fruits) cactus
small, roundish, partly clumping, with dainty tubercles, crown with bright wool
to 20 spines, radial, bright
flowers appears on a longish areole, small, purple, pink or white, ovary bare
seeds dull black
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Distribution |
north-east Mexico to central Mexico - Zacatecas to Hidalgo
very warm steppes |
Growth period |
bright and warm, not in full sun, somewhat half shady
somewhat sensitive against moisture therefore only seldom watering |
Winter period |
dry and bright at 8–10°C (46–50°F)
to constitute flowers requires the early blooming plants in late winter
and early springtime somewhat more of moisture |
Substrat |
minerally and permeable for water with some of loam |
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| Gymnocactus beguinii (F. A. C. Weber ex K. Schumann) C. Backeberg (1961) (nom. illeg.) |
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Habitat |
Mexico
Coahulia, San Luis Potosí, Nuevo León - San Juan
lowland and mountains, always in high altitudes |
Description |
named after Abbot Beguin
globular, 8 cm (3.1 in) Ø, later longish, to 15 cm (5.9 in) high, simple, blue-green
ribs seperated in tubercles
areoles at first stronger with white wool
usually 12 spines, glassy white, to 1.7 cm (0.7 in) long
1 central spine to 3 cm (1.2 in) long, upper third or upper half dark brown to black
flowers to 3.5 cm (1.4 in) long, violet, inside brownish
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Synonyms |
Echinocactus beguinii F. A. C. Weber ex K. Schumann (1898) (nom. illeg.)
Neolloydia beguinii (F. A. C. Weber ex K. Schumann) Britton & Rose (1922) (nom. illeg.)
Neolloydia smithii var. beguinii (F. A. C. Weber ex K. Schumann) Kladiwa & Fittkau (1971) (nom. illeg.)
Echinomastus erectocentrus (J. M. Coulter) Britton & Rose (1923)
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CITES |
Appendix II since 01.July 1975; Appendix I since 11. June 1992 |
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