Flora of North America species comparison

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Cordylanthus tenuis subsp. pallescens
Photo is of parent taxon

pale bird's-beak, pallid bird's beak
Stems

sparsely puberulent and/or glandular-puberulent and, often, pilose.
Leaves

yellow-green, entire or 3-lobed, lobes linear to linear-lanceolate.
Inflorescences

4–6-flowered;

bracts yellow-green, 3-lobed or entire, sparsely pilose with long hairs.
Flowers

corolla 10–15 mm.
2n

= 28.

Cordylanthus tenuis subsp. pallescens
Phenology Flowering Jun–Sep.
Habitat Open volcanic alluvium.
Elevation 900–1200 m. (3000–3900 ft.)
Distribution
from FNA
CA
[BONAP county map]
Discussion

Subspecies pallescens grows in Siskiyou County near Black Butte and the town of Weed (B. L. Wilson et al. 2014). It is similar to subsp. viscidus, differing in its yellow-green color and inflorescences with four to six pale flowers.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 677.
Parent taxa Orobanchaceae > Cordylanthus > Cordylanthus tenuis
Sibling taxa
C. tenuis subsp. barbatus, C. tenuis subsp. brunneus, C. tenuis subsp. tenuis, C. tenuis subsp. viscidus
Synonyms C. pallescens
Name authority (Pennell) T. I. Chuang & Heckard: Syst. Bot. Monogr. 10: 55. (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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