Croton pottsii var. thermophilus

(M. C. Johnston) M. C. Johnston

SouthW. Naturalist 5: 171. 1960.

Common names: Desert leatherweed
Conservation concern
Basionym: Croton corymbulosus var. thermophilus M. C. Johnston SouthW. Naturalist 3: 187. 1959
Synonyms: C. thermophilus (M. C. Johnston) B. L. Turner
Treatment appears in FNA Volume 12. Treatment on page 222. Mentioned on page 221.

Stems somewhat zigzag; erect radii of stellate hairs longer than lateral radii, thus pubescence appearing ± shaggy. Leaf blades usually 1–1.4 cm. Racemes mostly 0.5–0.9 cm. Styles usually 0.5–1 mm. Capsules 4 mm.

Phenology: Flowering Jul–Oct.
Habitat: Basalt and limestone hills.
Elevation: 700–1800 m.


Variety thermophilus is restricted to Brewster County and nearby Mexico.

Selected References


Lower Taxa

Benjamin W. van Ee +  and Paul E. Berry +
(M. C. Johnston) M. C. Johnston +
Croton corymbulosus var. thermophilus +
Desert leatherweed +
Tex. +  and Mexico (Coahuila). +
700–1800 m. +
Basalt and limestone hills. +
Flowering Jul–Oct. +
SouthW. Naturalist +
Conservation concern +
C. thermophilus +
Croton pottsii var. thermophilus +
Croton pottsii +
variety +