Flora of North America species comparison

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Cordylanthus tenuis subsp. pallescens

Cordylanthus tenuis subsp. viscidus
Photo is of parent taxon

pale bird's-beak, pallid bird's beak
Photo is of parent taxon

slender bird's beak, sticky birdbeak, viscid bird's beak
Stems

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

densely glandular-puberulent and pilose.
Leaves

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

green to gray-green, 3-lobed, lobes linear.
Inflorescences

4–6-flowered;

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

loosely 1–3-flowered;

bracts gray-green, 3-lobed, pilose with long hairs.
Flowers

corolla 10–15 mm.

corolla 10–18 mm.
2n

= 28.

= 28.

Cordylanthus tenuis subsp. pallescens

Cordylanthus tenuis subsp. viscidus
Phenology Flowering Jun–Sep. Flowering Jul–Sep.
Habitat Open volcanic alluvium. Serpentine in pine woodlands.
Elevation 900–1200 m. (3000–3900 ft.) 200–2000 m. (700–6600 ft.)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA; OR
[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. FNA vol. 17, p. 677.
Parent taxa Orobanchaceae > Cordylanthus > Cordylanthus tenuis Orobanchaceae > Cordylanthus > Cordylanthus tenuis
Sibling taxa
C. tenuis subsp. barbatus, C. tenuis subsp. brunneus, C. tenuis subsp. tenuis, C. tenuis subsp. viscidus
C. tenuis subsp. barbatus, C. tenuis subsp. brunneus, C. tenuis subsp. pallescens, C. tenuis subsp. tenuis
Synonyms C. pallescens Adenostegia viscida, C. viscidus
Name authority (Pennell) T. I. Chuang & Heckard: Syst. Bot. Monogr. 10: 55. (1986) (Howell) T. I. Chuang & Heckard: Syst. Bot. Monogr. 10: 56. (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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