Flora of North America species comparison

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Cordylanthus pilosus subsp. trifidus
Photo is of parent taxon

hairy bird's beak, Hansen's bird's-beak
Proximal leaves

1–2 mm wide, margins entire or 3-lobed.
Inflorescences

bracts 3-lobed.

Cordylanthus pilosus subsp. trifidus
Phenology Flowering Jul–Aug.
Habitat Open woodlands.
Elevation 500–1000 m. (1600–3300 ft.)
Distribution
from FNA
CA
[BONAP county map]
Discussion

Subspecies trifidus grows in the foothills of the Sierra Nevada. T. I. Chuang and L. R. Heckard (1986) recognized subsp. hansenii as distinct based on its shallowly cleft inflorescence bracts and robust distal branches. These characteristics do not distinguish subsp. hansenii but occur occasionally in plants of both subsp. hansenii and subsp. trifidus. Also, the plants they separated as subsp. hansenii occur in two disjunct populations, separated geographically by their subsp. trifidus. Combining the subspecies creates a geographically, ecologically, and morphologically coherent group.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 674.
Parent taxa Orobanchaceae > Cordylanthus > Cordylanthus pilosus
Sibling taxa
C. pilosus subsp. pilosus
Synonyms C. pilosus var. trifidus, Adenostegia hansenii, C. hansenii, C. pilosus subsp. hansenii
Name authority (B. L. Robinson & Greenman) T. I. Chuang & Heckard: Syst. Bot. Monogr. 10: 68. (1986)
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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