Hemiscola aculeata

(Linnaeus) Rafinesque

Sylva Tellur., 111. 1838.

Common names: Prickly spiderflower
Basionym: Cleome aculeata Linnaeus Syst. Nat. ed. 12, 3: 232. 1768
Treatment appears in FNA Volume 7. Treatment on page 220. Mentioned on page 216.

Distribution

Ala., Tex., Mexico, West Indies.

Discussion

Varieties 3 (1 in the flora).

Variety potosina (B. L. Robinson) H. H. Iltis is endemic to Argentina and Mexico and is distinguished by relatively long gynophores; var. affinis (de Candolle) H. H. Iltis is endemic to southeastern Brazil and is spineless.

Selected References

None.