Croton cortesianus


in A. von Humboldt et al., Nov. Gen. Sp. 2(fol.): 66; 2(qto.): 83. 1817.

Common names: Cortez’s croton palillo
Synonyms: Croton chichenensis Lundell C. trichocarpus Torrey
Treatment appears in FNA Volume 12. Treatment on page 213. Mentioned on page 210.

Shrubs, 10–30 dm, dioecious. Stems di- or trichotomously branched, stellate-hairy, young stems often blackened by fungus. Leaves not clustered; stipules rudimentary; petiole 1–1.5 cm, 1/6–1/3 leaf blade length, glands absent at apex; blade narrowly obovate, oblong, elliptic, or lanceolate, 3–10 × 1–5 cm, mostly less than 3.5 times as long as wide, base subacute to rounded, margins minutely denticulate, apex acute or acuminate, abaxial surface light green, densely ochraceous stellate-hispid when young, pale stellate-hairy when mature, adaxial surface darker green, glabrous. Inflorescences unisexual, racemes; staminate 7–20 cm, flowers 10–30; pistillate 1–5 cm, flowers 8–20(–30). Pedicels: staminate 0–1 mm, pistillate 0–0.5 mm. Staminate flowers: sepals 5, 2.5 mm, abaxial surface stellate-hairy; petals 5, oblong, 3 mm, abaxial surface glabrous except margins ciliate basally; stamens 12–16. Pistillate flowers: sepals 5, equal, 1–1.5 mm, margins entire, apex straight to slightly incurved, abaxial surface stellate-hispid; petals rudimentary; ovary 3-locular; styles 3, 4–5 mm, 2-fid, terminal segments 6. Capsules 5–6 × 4.5–5.5 mm, smooth; columella apex with 3 rounded, inflated lobes. Seeds 4–5 × 3–3.5 mm, shiny (with silvery sheen). 2n = 20.

Phenology: Flowering Feb–Oct, possibly year-round.
Habitat: Scrub forests.
Elevation: 0–50 m.


V12 209-distribution-map.jpg

Tex., e, se Mexico, Central America.


Croton cortesianus is known in the flora area only from Cameron, Hidalgo, and Starr counties.

Selected References


Lower Taxa

... more about "Croton cortesianus"
Benjamin W. van Ee +  and Paul E. Berry +
Cortez’s croton +  and palillo +
Tex. +, e +, se Mexico +  and Central America. +
0–50 m. +
Scrub forests. +
Flowering Feb–Oct, possibly year-round. +
in A. von Humboldt et al., Nov. Gen. Sp. +
Croton chichenensis +  and C. trichocarpus +
Croton cortesianus +
species +