Flora of North America species comparison

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Croton soliman

Soliman's croton
Habit Shrubs, 5–8 dm, monoecious.
Stems

sparsely branched distally, sparsely stellate-hairy.
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.
Inflorescences

bisexual, racemes, 2–4 cm, staminate flowers 10–30, pistillate flowers 3–6.
Pedicels

staminate 1–5 mm, pistillate 2–5 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.
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.
Capsules

6 × 5–6 mm, smooth;

columella apex with 3 rounded, inflated lobes.
Seeds

4–5 × 3–4 mm, shiny.

Croton soliman
Phenology Flowering May–Jul.
Habitat Thickets, low ridges.
Elevation 0–50 m. (0–200 ft.)
Distribution
from FNA
TX; e Mexico; s Mexico
[BONAP county map]
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.)
Source FNA vol. 12, p. 223.
Parent taxa Euphorbiaceae > Croton
Sibling taxa
C. alabamensis, C. argenteus, C. argyranthemus, C. californicus, C. capitatus, C. ciliatoglandulifer, C. cortesianus, C. coryi, C. dioicus, C. elliottii, C. fruticulosus, C. glandulosus, C. heptalon, C. humilis, C. incanus, C. leucophyllus, C. lindheimeri, C. lindheimerianus, C. linearis, C. michauxii, C. monanthogynus, C. parksii, C. pottsii, C. punctatus, C. sancti-lazari, C. setigerus, C. sonorae, C. suaveolens, C. texensis, C. wigginsii
Name authority Chamisso & Schlechtendal: Linnaea 6: 361. (1831)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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