Difference between revisions of "Horsfordia alata"
Proc. Amer. Acad. Arts 22: 297. 1887.
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Revision as of 22:45, 16 December 2019
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
Ariz., Calif., Mexico (Baja California, Baja California Sur, Sonora).
Discussion
Selected References
None.