Flora of North America species comparison

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Bergerocactus emoryi

golden cereus, golden clubcactus, golden snakecactus, golden-spine cereus
Stems

ribs less than 5 mm from base to crest;

areoles 2–4 mm diam., hairs white.
Flowers

2.5–4.5 cm diam.;

scales on flower tube green with red tips;

tepals with acute apices;

ovary locules with up to 600 ovules;

anthers pale orange-yellow;

styles fused for 5 mm to base of flower tube, white, 1525 mm.
2n

= 44.

Bergerocactus emoryi
Phenology Flowering Apr–Jul.
Habitat Coastal bluff scrub, semidesert scrub, sandy soils
Elevation 10-200 m (0-700 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[BONAP county map]
Discussion

Bergerocactus emoryi is exceedingly rare in California, because its habitats have been heavily disturbed or eliminated. It survives mostly within nature reserves in several coastal mainland localities and on Santa Catalina and San Clemente islands, California. The species is fairly common (and more variable) along the Pacific slope of Baja California, Mexico, and its offshore islands south to 29º 48´ N. In Mexico, B. emoryi inhabits sandy, rugged, steep coastal bluffs and nearby coastal scrubland hillsides, located within the coastal fog zone.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 4, p. 182.
Parent taxa Cactaceae > subfam. Cactoideae > Bergerocactus
Synonyms Cereus emoryi
Name authority (Engelmann) Britton & Rose: Contr. U.S. Natl. Herb. 12: 435. (1909)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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