familyOrobanchaceae
genusCordylanthus
speciesCordylanthus tenuis
subspeciesCordylanthus tenuis subsp. pallescens
Difference between revisions of "Cordylanthus tenuis subsp. pallescens"
Syst. Bot. Monogr. 10: 55. 1986.
Common names: Pale bird’s-beak
EndemicConservation concern
Basionym: Cordylanthus pallescens Pennell Proc. Acad. Nat. Sci. Philadelphia 99: 197. 1947
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Latest revision as of 19:25, 5 November 2020
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.
Phenology: Flowering Jun–Sep.
Habitat: Open volcanic alluvium.
Elevation: 900–1200 m.
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.
Selected References
Lower Taxa
None.