Difference between revisions of "Acanthospermum humile"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 522. 1836.
Introduced
Basionym: Melampodium humile Swartz Prodr., 114. 1788
Treatment appears in FNA Volume 21. Treatment on page 37.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Acanthospermum humile | |accepted_name=Acanthospermum humile | ||
| − | |accepted_authority=(Swartz) | + | |accepted_authority=(Swartz) de Candolle |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | |title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | ||
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name=Acanthospermum humile | name=Acanthospermum humile | ||
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|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|special status=Introduced | |special status=Introduced | ||
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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 20:14, 5 November 2020
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
Introduced; Ala., Fla., S.C., West Indies, also introduced in Central America, South America.
Discussion
Selected References
None.
Lower Taxa
None.