Centromadia parryi subsp. rudis

(Greene) B. G. Baldwin

Novon 4: 467. 1999.

Endemic
Basionym: Centromadia rudis Greene Man. Bot. San Francisco, 197. 1894
Synonyms: Hemizonia parryi subsp. rudis (Greene) D. D. Keck
Treatment appears in FNA Volume 21. Treatment on page 279. Mentioned on page 277, 278.

Leaves (and peduncular bracts) scabroso-hirtellous and usually ± hirsute or setose-ciliate, not glandular or with sparsely and irregularly distributed, minute, sessile or stipitate, yellowish glands. Involucres 3.5–5 mm. Paleae lacking purple lines. Ray corolla laminae 2–3 mm. Anthers yellow or brownish. 2n = 22.


Phenology: Flowering Jun–Oct.
Habitat: Grasslands, edges of marshes and vernal pools, disturbed sites (e.g., fallow fields)
Elevation: 0–500 m

Discussion

Subspecies rudis occurs in the southern Sacramento Valley, northern San Joaquin Valley, and, uncommonly, in the southern Inner North Coast Ranges.

Selected References

None.

Lower Taxa

None.
Bruce G. Baldwin +  and John L. Strother +
(Greene) B. G. Baldwin +
Centromadia rudis +
0–500 m +
Grasslands, edges of marshes and vernal pools, disturbed sites (e.g., fallow fields) +
Flowering Jun–Oct. +
Hemizonia parryi subsp. rudis +
Centromadia parryi subsp. rudis +
Centromadia parryi +
subspecies +