Pentachaeta fragilis

Brandegee

Univ. Calif. Publ. Bot. 6: 170. 1915.

Common names: Fragile pentachaeta
Endemic
Synonyms: Chaetopappa fragilis (Brandegee) D. D. Keck
Treatment appears in FNA Volume 20. Treatment on page 48. Mentioned on page 47.

Plants 4–16 cm. Stems diffusely branched. Leaf blades spatulate to linear-oblanceolate, 5–15(–25) × 1–3 mm. Involucres campanulate. Phyllaries in 2(–3) series, elliptic to obovate, glabrous. Ray florets 7–12; corollas yellow, laminae ca. 5 mm. Disc florets 10–23; corollas yellow, narrowly funnelform, not contracted at lobes, lobes 5. Pappi of (8–)15–20 bristles, not dilated at base. 2n = 18.


Phenology: Flowering Mar–Jun.
Habitat: Grassy areas
Elevation: 50–2300 m

Discussion

Selected References

None.

Lower Taxa

None.