Croton soliman |
Croton cortesianus |
|
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Soliman's croton |
Cortez's croton, palillo |
|
Habit | Shrubs, 5–8 dm, monoecious. | Shrubs, 10–30 dm, dioecious. |
Stems | sparsely branched distally, sparsely stellate-hairy. |
di- or trichotomously branched, stellate-hairy, young stems often blackened by fungus. |
Leaves | not clustered; stipules linear, (0–)1–2 mm, sometimes short stipitate-glandular; petiole 1–2 cm, 2/5–1/2 leaf blade length, glands absent at apex; blade ovate, 2–5 × 1.5–2.5 cm, base rounded-cuneate, margins entire, with scattered glandular-capitate processes 1 mm, usually denser at base, apex acute to acuminate, abaxial surface green, glabrous or sparsely stellate-hairy, usually along margin, adaxial surface slightly darker green, glabrous. |
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 | bisexual, racemes, 2–4 cm, staminate flowers 10–30, pistillate flowers 3–6. |
unisexual, racemes; staminate 7–20 cm, flowers 10–30; pistillate 1–5 cm, flowers 8–20(–30). |
Pedicels | staminate 1–5 mm, pistillate 2–5 mm. |
staminate 0–1 mm, pistillate 0–0.5 mm. |
Staminate flowers | sepals 5, 0.8–1 mm, abaxial surface sparsely stellate-hairy; petals 5, spatulate, 1–1.3 mm, abaxial surface glabrous except margins ciliate basally; stamens 15–20. |
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, unequal, 5–6 mm, margins entire, apex straight to slightly incurved, abaxial surface glabrous or with a few stellate hairs; petals 0 or 5, white, linear, 2.5–3.5 mm; ovary 3-locular; styles 3, 3–4 mm, 4-fid, terminal segments 12. |
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 | 6 × 5–6 mm, smooth; columella apex with 3 rounded, inflated lobes. |
5–6 × 4.5–5.5 mm, smooth; columella apex with 3 rounded, inflated lobes. |
Seeds | 4–5 × 3–4 mm, shiny. |
4–5 × 3–3.5 mm, shiny (with silvery sheen). |
2n | = 20. |
|
Croton soliman |
Croton cortesianus |
|
Phenology | Flowering May–Jul. | Flowering Feb–Oct, possibly year-round. |
Habitat | Thickets, low ridges. | Scrub forests. |
Elevation | 0–50 m. (0–200 ft.) | 0–50 m. (0–200 ft.) |
Distribution |
TX; e Mexico; s Mexico |
TX; e Mexico; se Mexico; Central America |
Discussion | Croton soliman is most similar to C. humilis. In the flora area, C. soliman is found only in Cameron County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Croton cortesianus is known in the flora area only from Cameron, Hidalgo, and Starr counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 12, p. 223. | FNA vol. 12, p. 213. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | C. chichenensis, C. trichocarpus | |
Name authority | Chamisso & Schlechtendal: Linnaea 6: 361. (1831) | Kunth: in A. von Humboldt et al., Nov. Gen. Sp. 2(fol.): 66; 2(qto.): 83. (1817) |
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