Melampodium strigosum
Rhodora 74: 51. 1972.
Revision as of 15:36, 18 September 2019 by FNA>Volume Importer
Annuals, 5–35+ cm. Leaf blades oblanceolate to oblong-linear, 15–55+ × 3–12+ mm, lengths 4–6+ times widths, sometimes pinnately 2–4-lobed, ultimate margins ± dentate or entire. Peduncles 0–3(–11+) mm. Outer phyllaries 5, connate 0–1/6 their lengths, lance-elliptic, 3–6 mm. Ray florets 5–8; corollas yellow, laminae oblong-ovate, 0.6–1.1+ × 0.5–10.8+ mm. Disc florets 5–8+. Fruits 2.2–3 mm. 2n = 40.
Phenology: Flowering Aug–Sep.
Habitat: Openings in pine forests
Elevation: 1200–1700 m
Distribution
Ariz., Colo., Tex., Mexico.
Discussion
Specimens of Melampodium strigosum have been misidentified as M. hispidum Kunth, a synonym of M. sericeum (see T. F. Stuessy 1972). The station for M. strigosum in Colorado is ca. 1400 km distant from stations in Arizona and Texas.
Selected References
None.
Lower Taxa
None.