Coreocarpus arizonicus
Proc. Amer. Acad. Arts 49: 344. 1913.
Basionym: Leptosyne arizonica A. Gray
Treatment appears in FNA Volume 21. Treatment on page 199.
Revision as of 01:01, 27 July 2019 by FNA>Volume Importer
Perennials (may flower first year). Leaves ± scattered over proximal 3/4+ of plant height, internodes mostly 30–75+ mm; lobes mostly filiform to linear, sometimes lanceolate, (5–)15–35+ × 0.5–1(–3+) mm. Ray laminae pale yellow (fading to white), 2–4.5(–6+) mm. Disc corollas 3–4.5 mm. Cypselae 2–3(–5) mm; pappi 0, or 0.5–1 mm. 2n = 24.
Phenology: Flowering year round, following rains.
Habitat: Open sites, along streams, rocky canyons
Elevation: 100–1500 m
Distribution
Ariz., Mexico (Chihuahua, Sinaloa, Sonora).
Discussion
E. B. Smith (1989) treated plants of Coreocarpus arizonicus from the flora area and Mexico as var. arizonicus and other plants of the species from Mexico as var. pubescens (B. L. Robinson & Fernald) S. F. Blake.
Selected References
None.
Lower Taxa
None.