All Floras      Advanced Search
FNA Vol. 21 Page 336, 337, 339, 344 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 21 | Asteraceae | Lasthenia

10. Lasthenia glaberrima de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 664. 1836.

Smooth goldfields

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.

Flowering Mar–Jul. Vernal pools, wet meadows; 0–900 m; B.C.; Calif., Oreg., Wash.


 

Related Objects  
  • Distribution Map
  • Map

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |