Difference between revisions of "Nothocalaïs alpestris"
Contr. Dudley Herb. 5: 66. 1957.
Common names: Alpine lake false dandelion
Basionym: Troximon alpestre A. Gray Proc. Amer. Acad. Arts 19: 70. 1883
Synonyms: Agoseris alpestris (A. Gray) Greene Microseris alpestris (A. Gray) Q. Jones ex Cronquist
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Revision as of 20:52, 5 November 2020
Plants 3–45 cm. Stems (peduncles) ebracteate. Leaves: blades linear to oblanceolate, 3–20 cm, bases attenuate to obtuse, margins plane, usually coarsely toothed or pinnately lobed (lobes spreading or retrorse), sometimes entire, sometimes ciliolate, faces glabrous. Involucres 10–20 mm. Phyllaries 8–35, evenly and minutely purple-dotted, ovate-lanceolate, apices acuminate, faces glabrous. Florets 13–75; ligules 10–20 mm. Cypselae brown, 5–10 mm, sometimes narrowed distally 1–3 mm, not beaked; pappi of 30–50, barbellulate bristles 6–10 mm. 2n = 18.
Phenology: Flowering Jul–Sep.
Habitat: Meadows, rocky slopes, pumice flats, mixed subalpine woodland and Abies subalpine zone
Elevation: 1300–2500 m
Distribution
Calif., Oreg., Wash.
Discussion
Nothocalaïs alpestris grows in the subalpine Cascade Range, Klamath Mountains, and (rarely) the Sierra Nevada.
Selected References
None.
Lower Taxa
None.