Horsfordia alata

(S. Watson) A. Gray
Proc. Amer. Acad. Arts 22: 297. 1887.
Illustrated
Basionym: Sida alata S. Watson Proc. Amer. Acad. Arts 20: 356. 1885
Synonyms: Horsfordia palmeri S. Watson
Treatment appears in FNA Volume 6. Treatment on page 268.

Shrubs, 1–2.5(–4) m, hairs dense, stellate, grayish yellow, rough. Leaves often folded, to 68 mm, petiolate to 8 cm to sessile distally; stipules 2–5 mm; blade ovate to triangular, 1–11.5 cm, base cordate, margins crenate or dentate to denticulate, apex acuminate. Inflorescences solitary flowers, rarely in groups of 3–5. Flowers: calyx campanulate, 3–10 mm; petals rose, pink, or pale lavender, 12–21 mm. Schizocarps 8–12 mm diam.; mericarps 9 or 10, 6–10 mm, sparsely stellate-hairy, lower cell reticulate, upper cell with 2 abortive ovules (rarely developing), wings lanceolate. Seeds 1 per mericarp, brown to blackish, 1.9 mm, minutely scabridulous. 2n = 30.


Phenology: Flowering Sep–Apr.
Habitat: Disturbed and undisturbed sites, deserts
Elevation: 0–600 m

Distribution

V6 486-distribution-map.jpg

Ariz., Calif., Mexico (Baja California, Baja California Sur, Sonora).

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Horsfordia alata"
John La Duke +
(S. Watson) A. Gray +
Sida alata +
Ariz. +, Calif. +, Mexico (Baja California +, Baja California Sur +  and Sonora). +
0–600 m +
Disturbed and undisturbed sites, deserts +
Flowering Sep–Apr. +
Proc. Amer. Acad. Arts +
Illustrated +
Horsfordia palmeri +
Horsfordia alata +
Horsfordia +
species +