Английская Википедия:Geohintonia
Шаблон:Short description Шаблон:Speciesbox 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]
Description
It is a solitary, globose plant, slowly becoming columnar, up to 11 cm tall and 10 cm in diameter. grayish bluish green has between 18 and 20 very prominent ribs. The ribs have large wooly areoles with 3 curved spines about 3 to 15 mm long, yellowish in color. The hot pink, funnel-shaped flowers emerge at the apex and open after dark. The flowers are 2 to 4 cm in diameter and appear at the apex. They are open during the day and are pink to magenta in color. Fruits are ovoid 9 x 4-5 mm[2]
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Plant
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Geohintonia mexicana f. cristata
Distribution
The plants grow exclusively in Mexico in the state of Nuevo León on gypsum hills at 1200 to 1350 meters. Aztekium hintonii and Selaginella gypsophila can also be found at the site. It is thought that the species may have arisen from a natural hybrid with Aztekium hintonii as one parent.
Taxonomy
The plants were discovered by George S. Hinton in 1991 and the genus and species were first described in 1992 by Charles Edward Glass and Walter Alfred Fitz Maurice. A nomenclature synonym was created through an unaccepted recombination in 2000 to Echinocactus mexicanus (Glass & W.A.Fitz Maurice) Halda.[3]
References
External links
- ↑ Шаблон:Citation, p. 342
- ↑ Шаблон:Cite book
- ↑ Шаблон:Cite web
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- Cacti of Mexico
- Endemic flora of Mexico
- Flora of Nuevo León
- Monotypic Cactaceae genera
- Near threatened biota of Mexico
- Cactoideae
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