Difference between revisions of "Acanthospermum humile"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 522. 1836.
Basionym: Melampodium humile Swartz Prodr., 114. 1788
Treatment appears in FNA Volume 21. Treatment on page 37.
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|name=Melampodium humile | |name=Melampodium humile | ||
|authority=Swartz | |authority=Swartz | ||
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name=Acanthospermum humile | name=Acanthospermum humile | ||
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|authority=(Swartz) de Candolle in A. P. de Candolle and A. L. P. P. de Candolle | |authority=(Swartz) de Candolle in A. P. de Candolle and A. L. P. P. de Candolle | ||
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Melampodiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Melampodiinae | ||
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Revision as of 19:38, 16 December 2019
Plants 10–20(–30+) cm. Stems decumbent to erect. Leaf blades oval to lyrate, 10–30(–45) mm, faces ± pilosulous to sparsely sericeous, gland-dotted. Fruits strongly compressed, ± cuneate, 2–3(–4) mm, usually 3-ribbed, terminal spines 2, divergent, 2–3(–4) mm, often 1 ± uncinate, prickles ± uncinate, mostly along 2 ribs and around apices.
Phenology: Flowering all year.
Habitat: Disturbed, often sandy sites
Elevation: 0–10+ m
Distribution
Ala., Fla., S.C., West Indies, also introduced in Central America, South America.
Discussion
Selected References
None.
Lower Taxa
None.