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.

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.