Difference between revisions of "Melampodium leucanthum"
Fl. N. Amer. 2: 271. 1842.
Illustrated
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name=Melampodium leucanthum | name=Melampodium leucanthum | ||
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|authority=Torrey & A. Gray | |authority=Torrey & A. Gray | ||
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|publication year=1842 | |publication year=1842 | ||
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| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_63.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Melampodiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Melampodiinae | ||
Latest revision as of 21:13, 5 November 2020
Perennials or subshrubs, 12–40(–60) cm. Leaf blades lanceolate, linear-oblong, or linear, 20–35(–45) × 1–10(–12) mm, lengths 3–8+ times widths, pinnately lobed, lobes 1–6, ultimate margins entire. Peduncles 3–7 cm. Outer phyllaries 5, connate 1/2–3/5 their lengths, ovate, 5–7 mm. Ray florets 8–13; corollas cream-white (sometimes purplish abaxially), laminae oblong-elliptic, 7–13 × 2.5–8 mm. Disc florets 25–50. Fruits 1.5–2.6 mm. 2n = 20, 40.
Phenology: Flowering Mar–Oct.
Habitat: Open sites, grasslands, roadcuts, arid or desert scrublands
Elevation: (200–)1000–2000(–2500) m
Distribution
Ariz., Colo., Kans., N.Mex., Okla., Tex., Mexico (Chihuahua, Coahuila, Sonora).
Discussion
Selected References
None.
Lower Taxa
None.