Acourtia microcephala

de Candolle in A. P. de Candolle and A. L. P. P. de Candolle
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 7: 66. 1838.
Synonyms: Perezia microcephala (de Candolle) A. Gray
Treatment appears in FNA Volume 19. Treatment on page 74. Mentioned on page 73.

Plants 60–120 cm. Leaves cauline; sessile; blades oblong-ovate to elliptic, 5–15 cm, bases cordate, clasping, auriculate, margins spinulose-denticulate, faces densely glandular-scabrid. Heads in paniculiform arrays. Involucres turbinate to campanulate, 6–8(–10+) mm. Phyllaries in 3–4 series, linear to oblanceolate, apices acute to acuminate or mucronate, margins and abaxial faces glandular-hairy. Receptacles alveolate, glandular-hairy. Florets 10–20; corollas lavender-pink, 6–12 mm. Cypselae cylindric, 1.5–6 mm, bristly glandular-puberulent; pappi tawny, 6–10 mm. 2n = 54.


Phenology: Flowering May–Jul.
Habitat: Gravel and caliche soils in scrub oak, oak woodlands, and chaparral
Elevation: 60–1300 m

Distribution

V19-10-distribution-map.gif

Calif., Mexico (Baja California).

Discussion

In the flora, Acourtia microcephala is restricted to the dry areas of California from Monterey to San Diego counties and on the Channel Islands.

Selected References

None.

Lower Taxa

None.

... more about "Acourtia microcephala"
Beryl B. Simpson +
de Candolle in A. P. de Candolle and A. L. P. P. de Candolle +
Calif. +  and Mexico (Baja California). +
60–1300 m +
Gravel and caliche soils in scrub oak, oak woodlands, and chaparral +
Flowering May–Jul. +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
Perezia microcephala +
Acourtia microcephala +
Acourtia +
species +