Pentachaeta bellidiflora

Greene

Bull. Calif. Acad. Sci. 1: 86. 1885.

Common names: White-rayed pentachaeta
EndemicConservation concern
Synonyms: Chaetopappa bellidiflora (Greene) D. D. Keck
Treatment appears in FNA Volume 20. Treatment on page 48. Mentioned on page 47.
Revision as of 21:50, 27 May 2020 by imported>Volume Importer

Plants 6–17 cm. Stems simple or with 1–2 primary branches, glabrous or sparsely hirsuto-pilose. Leaf blades linear, 8–45 × ca. 1 mm (glabrous or margins ciliate). Involucres campanulate. Phyllaries in 2–3 series, elliptic to obovate, glabrous. Ray florets 5–16; corollas white, sometimes reddish-tinged abaxially, laminae 3–6 mm. Disc florets 16–38; corollas yellow, narrowly funnelform, not contracted at lobes, lobes 5. Pappi usually of 5 bristles slightly or not dilated at bases, rarely 0. 2n = 18.


Phenology: Flowering Mar–May.
Habitat: Grassy, rocky areas
Elevation: 0–700 m

Discussion

Of conservation concern.

Pentachaeta bellidiflora grows in the San Francisco Bay region.

Selected References

None.

Lower Taxa

None.