Difference between revisions of "Isocoma drummondii"
Erythea 2: 111. 1894.
Common names: Drummond’s jimmyweed
Basionym: Linosyris drummondii Torrey & A. Gray Fl. N. Amer. 2: 233. 1842
Synonyms: Haplopappus drummondii (Torrey & A. Gray) S. F. Blake Isocoma megalantha Shinners
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Revision as of 18:39, 24 September 2019
Herbage glabrous, not resinous. Leaf blades narrowly oblong to oblanceolate-oblong, 13–50 mm, margins usually entire, sometimes distally toothed (shallow teeth in 1–3 pairs). Involucres (5.5–)6.5–8 × 4.5–5.5(–7) mm. Phyllary apices usually green, not aristate, usually strongly gland-dotted, without resin pockets. Florets (18–)22–34; corollas 5.8–7.5 mm. Cypsela ribs not forming hornlike extensions.
Phenology: Flowering (Mar–)May–Jul.
Habitat: Coastal habitats, often on beach dunes, sand or less commonly clay, brushy prairies, scrub woods, often with mesquite
Elevation: 0–20 m
Distribution
Tex., Mexico (Tamaulipas).
Discussion
Selected References
None.
Lower Taxa
None.