Micropus californicus var. californicus

Common names: Cottontop
Illustrated
Treatment appears in FNA Volume 19. Treatment on page 456.

Plants 1–50 cm. Heads mostly 3–4 × 4.5–6 mm. Pistillate paleae densely and loosely lanuginose, longest usually 3–4 mm. Staminate corollas 1.3–2 mm. Cypselae 1.8–2.6 mm; pappi: staminate 1.3–1.5 mm.


Phenology: Flowering and fruiting mid Mar–early Jul.
Habitat: Slopes, flats, dry or seasonally moist soils of various substrates (including serpentine), often recently disturbed, in grasslands, chaparral, wooded areas, clearings, mostly inland from coastal fog belt
Elevation: 10–1600 m

Distribution

V19-756-distribution-map.gif

Calif., Oreg., Mexico (Baja California).

Discussion

Variety californicus is known nearly throughout the west-draining portion of the Californian Floristic Province and the Willamette Valley, from western Oregon to northwestern Baja California, including the California Channel Islands and Isla Guadalupe.

Selected References

None.

Lower Taxa

None.
James D. Morefield +
Fischer & C. A. Meyer +
Cottontop +
Calif. +, Oreg. +  and Mexico (Baja California). +
10–1600 m +
Slopes, flats, dry or seasonally moist soils of various substrates (including serpentine), often recently disturbed, in grasslands, chaparral, wooded areas, clearings, mostly inland from coastal fog belt +
Flowering and fruiting mid Mar–early Jul. +
Index Seminum (St. Petersburg) +
Illustrated +
Bombycilaena californica +
Micropus californicus var. californicus +
Micropus californicus +
variety +