Difference between revisions of "Coreocarpus arizonicus"
Proc. Amer. Acad. Arts 49: 344. 1913.
Illustrated
Basionym: Leptosyne arizonica A. Gray Proc. Amer. Acad. Arts 17: 218. 1882
Treatment appears in FNA Volume 21. Treatment on page 199.
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | ||
Latest revision as of 20:12, 5 November 2020
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.