Horsfordia newberryi
Proc. Amer. Acad. Arts 22: 297. 1887.
Illustrated
Basionym: Abutilon newberryi S. Watson Proc. Amer. Acad. Arts 11: 125. 1876
Treatment appears in FNA Volume 6. Treatment on page 268.
Shrubs, 2–3 m, hairs dense, stellate, yellow. Leaves not folded, petiolate 4–10 cm; stipules 2–5 mm; blade lanceolate to cordate, (3–)4–10 cm, base usually cordate or truncate, margins entire or denticulate, apex acute. Inflorescences solitary flowers or few-flowered panicles. Flowers: calyx campanulate, 5–6 mm; petals yellow, sometimes pale orange [white], 6–9 mm. Schizocarps 9–12 mm diam.; mericarps ca. 10, 6–9 mm, lower cell reticulate, upper cell 2-seeded, wings ovate. Seeds (2 or)3 per mericarp, brown to blackish, 2.2 mm, densely short-pubescent with whitish hairs. 2n = 30.
Phenology: Flowering Nov–Dec, Mar–Apr.
Habitat: Disturbed and undisturbed sites, deserts
Elevation: 100–800 m
Distribution
Ariz., Calif., Mexico (Baja California, Baja California Sur, Sonora).
Discussion
Selected References
None.
Lower Taxa
None.