Sida tragiifolia
Boston J. Nat. Hist. 6: 164. 1850.
Common names: Noseburn-leaf sida earleaf fanpetals
Illustrated
Herbs or subshrubs, perennial, 0.5 m. Stems erect, minutely stellate-hairy, hairs 0.3–0.4 mm, sometimes also with staminal column hairy; style 8-branched. Schizocarps oblate, 5–6 mm diam., apically hairy; mericarps 8+, 3 mm, strongly reticulate laterally, apically dehiscent, apex 2-spined or not, spines to 1 mm, sometimes suppressed, apex hispid.
Phenology: Flowering spring–fall.
Habitat: Arid shrublands
Elevation: 500–1500 m
Distribution
Ariz., Tex., Mexico (Coahuila, Nuevo León, Tamaulipas).
Discussion
Within the flora area, Sida tragiifolia is known in Graham, Pima, and Santa Cruz counties, Arizona, and in Brewster, Cameron, Hidalgo, and Presidio counties, Texas.
Selected References
None.
Lower Taxa
None.