Homalocephala Britton & Rose (1922)
Flat head
From the Greek words homalo, meaning even, flat and kephale, meaning head.
flat globular, 5.9 in (15 cm) high, to 11.8 in (30 cm) diameter, not clumping, numerous ribs, sharp edged
areoles white; 6–7 radial spines, straddling, backward bended, yellow, first reddish, partly hooped
1 central spine, to 2.3 in (6 cm) long, flat, broader
flowers with fringed rims, scarlet and orange, above pink to white, appear at the crown, ovary is felted
seeds shiny black
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Distribution |
USA - New Mexico, Oklahoma, Texas
Mexico - Coahuila, Nuevo León, Tamaulipas
warm and arid areas
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Growth period |
full sunny and hot place
many moisture in the spring at the beginning of the growth, but absolutely dry during the summer
sensitive against to much moisture, keep the root neck dry |
Winter period |
light and dry at a minimum of 39 F (4°C) |
Substrat |
gravelly, complete mineralic with somewhat of loam |
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| Homalocephala texensis (Hopffer) Britton & Rose (1922) |
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Habitat |
USA
New Mexico, Oklahoma, Texas
Mexico
Coahuila, Nuevo León, Tamaulipas
from sealevel to 3281 ft (1000 m) altitude
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Description |
named after its origin
5.9 in (15 cm) high, to 11.8 in (30 cm) Ø, simple
ribs 13–27, sharp edged, broad
areoles white
6–7 radial spines, 0.4–2 in (1–5 cm) long, dissimilar, partly flattened, straddling, backward bended,
first reddish, later yellow, hooped
1 central spine, circa 2.5 in (6.5 cm) long, 0.3 in (0.8 cm) broad, flatter and broader than the radial spines, downward directed
flowers to 2.3 in (6 cm) large, broad bell shaped, scarlet and orange, above pink to almost white or also with pink center
fruits 1.6 in (4 cm) large, only at the beginning juicy
seeds 2.5 mm large
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Synonyms |
Echinocactus texensis Hopffer (1842)
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CITES |
Appendix II |
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