Geohintonia

Geohintonia mexicana (discovered in 1992) is a species of cacti, the only species in the genus Geohintonia. This genus is named after its discoverer George S. Hinton. As its specific epithet suggests, the plant is found in Mexico (Nuevo León), where it grows on gypsum hills near Galeana.[1]

Geohintonia
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Geohintonia
Species:
G. mexicana
Binomial name
Geohintonia mexicana
Glass & W.A.Fitz Maur.[1]

Description

It is a solitary, globose plant, slowly becoming columnar, up to 10 cm tall and 10 cm in diameter. grayish bluish green. It has between 18 and 20 very prominent ribs, with 3 curved spines about 3 to 12 mm long on each areola. The hot pink, funnel-shaped flowers emerge at the apex and open after dark.

The species has one form: Geohintonia mexicana f. cristata.

References

  1. Anderson, Edward F. (2001), The Cactus Family, Pentland, Oregon: Timber Press, ISBN 978-0-88192-498-5, p. 342


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