Pentachaeta lyonii A. Gray
Family: Asteraceae
Lyon's pentachaeta
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Plants 6-48 cm. Stems branched. Leaf blades linear to narrowly elliptic or oblanceolate, 20-50 × 3-6 mm. Involucres campanulate. Phyllaries in 2-3 series, narrowly lanceolate, sparsely hirsuto-pilose. Ray florets 17-42; corollas yellow, laminae 3-8 mm. Disc florets 21-91; corollas yellow, narrowly funnelform, not contracted at lobes, lobes 5. P appi of 8-12 bristles, weakly dilated at bases. 2n = 18. Flowering Mar-Apr. Grassy coastal hills; of conservation concern; 20-700 m; Calif.
The National Science Foundation
This project made possible by National Science Foundation Award 1410069