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Echinocereus weinbergii

From Wikipedia, the free encyclopedia

Echinocereus weinbergii
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Echinocereus
Species:
E. weinbergii
Binomial name
Echinocereus weinbergii
Synonyms
  • Echinocereus pulchellus subsp. weinbergii (Weing.) N.P.Taylor 1997
  • Echinocereus pulchellus var. weinbergii (Weing.) N.P.Taylor 1985

Echinocereus weinbergii is a species of cactus native to Mexico.

Description

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Echinocereus weinbergii grows solitary almost spherical to spherical, green to stems reach height of 20.8 to 38.8 mm (0.82 to 1.53 in) a diameter of 13.2 to 33.2 mm (0.52 to 1.31 in). There are ten to sixteen low and wide ribs. There are 3-11 thick radial spines that are 2 to 13.9 mm (0.079 to 0.547 in) long growing on round narrowly elliptical areoles. The short, funnel-shaped flowers are pale pink to purple and appear near the tips or sides of the shoots. They are 28 to 64.3 mm (1.10 to 2.53 in) long and reach a diameter of 30 to 66.6 mm (1.18 to 2.62 in). The spherical, purple-colored, 10 to 18 mm (0.39 to 0.71 in) long by 9 to 15 mm (0.35 to 0.59 in) wide with black seeds.[1]

Subspecies

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There are two recognized subspecies:[2]

Image Scientific name Distribution
Echinocereus weinbergii subsp. venustus (W.Blum & W.Rischer) Gómez-Quint. & Dan.Sánchez Mexico (Jalisco, Zacatecas, San Luis Potosí)
Echinocereus weinbergii subsp. weinbergii Mexico (W. Zacatecas, Aguascalientes, San Luis Potosí)

Distribution

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Plants are found in xeric scrubland and pinyon pine forest in Aguascalientes, San Luís Potosí, Jalisco, and Zacatecas.[1]

Taxonomy

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Plants were distinguished from Echinocereus pulchellus by Weingart in 1912. They were reclassified to a variety by Taylor in 1985 and a subspecies in 1997. It was recognized by Sanchez et. al. as a separate species in 2020 based on multivariate analysis.[1]

References

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  1. ^ a b c d Sánchez, Daniel; Gómez-Quintero, David; Vargas-Ponce, Ofelia; Carrillo-Reyes, Pablo; Dávila-Aranda, Patricia (2020-01-01). "(PDF) Species delimitation in the Echinocereus pulchellus complex (Cactaceae)". ResearchGate. p. 1–20. doi:10.1007/s12228-020-09632-x). Retrieved 2024-07-16.
  2. ^ "Echinocereus weinbergii Weing". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2024-06-29.
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