Difference between revisions of "Acanthospermum hispidum"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 522. 1836.
Treatment appears in FNA Volume 21. Treatment on page 37.
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Revision as of 18:49, 24 September 2019
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
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.