Flora of North America species comparison

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Cordylanthus rigidus subsp. rigidus
Photo is of parent taxon

rigid bird's beak, stiffbranch bird's beak
Stems

pubescent and hirsute, often glabrescent, hairs stiff.
Spikes

5–15-flowered;

proximal bracts 15–20 mm, longer than flowers, midlobes green or red distally, linear-lanceolate, 1–1.5 mm wide, apex rounded to retuse.
Flowers

corolla 12–20 mm.

Cordylanthus rigidus subsp. rigidus
Phenology Flowering Jul–Sep.
Habitat Open, montane woodlands, chaparral margins.
Elevation 300–2700 m. (1000–8900 ft.)
Distribution
from FNA
CA
[BONAP county map]
Discussion

Subspecies rigidus is the most widespread of the subspecies, showing great variability in height, leaf shape, and amount of pubescence. It often can be recognized by its inflorescence bracts, which are rounded to retuse and longer than the flowers.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 675.
Parent taxa Orobanchaceae > Cordylanthus > Cordylanthus rigidus
Sibling taxa
C. rigidus subsp. brevibracteatus, C. rigidus subsp. littoralis, C. rigidus subsp. setigerus
Synonyms C. compactus, C. ferrisianus, C. littoralis subsp. platycephalus, C. platycephalus, C. rigidus, C. rigidus var. ferrisianus
Name authority unknown
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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