Micropus californicus var. subvestitus

A. Gray

in W. H. Brewer et al., Bot. California 1: 335. 1876.

Common names: Silky cottonseed
Endemic
Treatment appears in FNA Volume 19. Treatment on page 456.

Plants 1–40 cm. Heads mostly 2–3 × 3–4.5 mm. Pistillate paleae thinly sericeous-lanuginose, longest usually 2–3 mm. Staminate corollas 1–1.5 mm. Cypselae 1.4–2.2 mm; pappi: staminate 0.9–1.3 mm.


Phenology: Flowering and fruiting late Apr–early Jun.
Habitat: Ridges, hilltops, slopes, relatively dry, shallow, exposed soils of various substrates (including serpentine), often recently disturbed, usually within coastal fog belt
Elevation: 50–1100 m

Discussion

Variety subvestitus is known from the southern San Francisco Bay area through outer southern Coast Ranges to San Luis Obispo County, plus populations in foothills of the central Sierra Nevada.

Selected References

None.

Lower Taxa

None.
James D. Morefield +
A. Gray +
Silky cottonseed +
50–1100 m +
Ridges, hilltops, slopes, relatively dry, shallow, exposed soils of various substrates (including serpentine), often recently disturbed, usually within coastal fog belt +
Flowering and fruiting late Apr–early Jun. +
in W. H. Brewer et al., Bot. California +
Bombycilaena californica +
Micropus californicus var. subvestitus +
Micropus californicus +
variety +