Difference between revisions of "Acanthospermum hispidum"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 522. 1836.
Introduced
Treatment appears in FNA Volume 21. Treatment on page 37.
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|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 hispidum | name=Acanthospermum hispidum | ||
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|rank=species | |rank=species | ||
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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 | ||
Latest revision as of 20:14, 5 November 2020
Plants 10–60+ cm. Stems erect. Leaf blades rhombic-ovate to obovate, (20–)40–120(–150+) mm, faces finely pilosulous, gland-dotted. Fruits ± compressed, ± cuneate to obovate, 4–6+ mm, not notably ribbed, terminal spines 2, divergent, 3–4 mm, often 1 ± uncinate, prickles seldom notably uncinate, ± scattered. 2n = 22.
Phenology: Flowering year round, mostly Aug–Oct.
Habitat: Disturbed, often sandy sites
Elevation: 0–100+ m
Distribution
Introduced; Ont., Ala., Fla., Ga., N.J., Oreg., S.C., Va., South America, also introduced in Mexico, West Indies, Central America, Europe, Asia, Africa, Pacific Islands (Hawaii).
Discussion
Selected References
None.
Lower Taxa
None.