Difference between revisions of "Lasthenia glaberrima"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 664. 1836.
Common names: Smooth goldfields
IllustratedEndemic
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Revision as of 18:48, 23 July 2020
Annuals, to 35 cm. Stems erect or sprawling, branched distally, glabrous. Leaves linear, 30–100 × 2–4(-6+) mm, (bases often connate and sheathing, apices blunt) margins entire, faces glabrous. Involucres hemispheric or campanulate, 5–7 mm. Phyllaries 5–10, ± lanceolate, hairy. Receptacles conic, papillate, glabrous. Ray florets 6–13; (corollas pale yellow) laminae ovate-elliptic, (0–)0.5–2 mm. Anther appendages oblong or obovate. Cypselae grayish, somewhat flattened, ± linear, to 4 mm, hairy; pappi of 5–10 subulate to lanceolate, often fimbriate, laciniate, or aristate scales. 2n = 10.
Phenology: Flowering Mar–Jul.
Habitat: Vernal pools, wet meadows
Elevation: 0–1400 m
Distribution
B.C., Calif., Oreg., Wash.
Discussion
Selected References
None.
Lower Taxa
None.