Pentachaeta lyonii

A. Gray

in A. Gray et al., Syn. Fl. N. Amer. 1(2): 445. 1884.

Common names: Lyon’s pentachaeta
EndemicConservation concern
Synonyms: Chaetopappa lyonii (A. Gray) D. D. Keck
Treatment appears in FNA Volume 20. Treatment on page 48. Mentioned on page 47.

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. Pappi of 8–12 bristles, weakly dilated at bases. 2n = 18.

Phenology: Flowering Mar–Apr.
Habitat: Grassy coastal hills
Elevation: 20–700 m


Of conservation concern.

Selected References


Lower Taxa