Difference between revisions of "Verbesina microptera"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 616. 1836.
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | ||
Revision as of 21:58, 27 May 2020
Plants 50–250 cm (perennating bases ± erect, internodes winged). Leaves all or mostly alternate (proximal usually opposite); blades deltate-ovate or deltate to lanceolate, 4–10(–25+) × 2–6(–15) cm, bases broadly cuneate to ± truncate, margins coarsely toothed to subentire, apices obtuse to acute, faces ± hirtellous. Heads 30–80+ in ± paniculiform arrays. Involucres ± hemispheric, 5–7 mm diam. Phyllaries 12–15+ in 2 series, ± erect, spatulate to linear, 2.5–4 mm. Ray florets (9–)10–12+; laminae 4–6 mm. Disc florets 20–25+; corollas ochroleucous or white. Cypselae dark brown to blackish, oblanceolate, 4–5 mm, faces ± hirtellous or glabrous; pappi 1.5–2+ mm. 2n = 34.
Phenology: Flowering (May–)Jul–Sep(–Dec).
Habitat: Swales, disturbed sites
Elevation: 10–100 m
Distribution
Tex., Mexico (Nuevo León, Tamaulipas).
Discussion
Selected References
None.