Croton fruticulosus |
Croton elliottii |
|
---|---|---|
bush croton, encinilla, hierba loca, shrubby croton |
Elliott's croton, pondshore croton |
|
Habit | Shrubs, 2–10 dm, monoecious. | Herbs, annual, 3–8 dm, monoecious. |
Stems | much branched distally, stellate-hairy. |
usually single from base, then well branched from first reproductive node, appressed stellate-hairy. |
Leaves | not clustered; stipules rudimentary or absent; petiole 0.4–1(–1.5) cm, 1/8–1/5 blade length, glands absent at apex; blade ovate to ovate-lanceolate, 2–8 × 2–4 cm, base truncate to cordate, margins serrulate, often slightly undulate, apex attenuate, acute, abaxial surface pale green, stellate-hairy, adaxial surface darker green, puberulent. |
sometimes clustered near inflorescences; stipules absent; petiole 0.5–2 cm, glands absent at apex; blade lanceolate to oblong, 2–5.5 × 0.2–0.8 cm, base rounded, margins entire, apex subacute, abaxial surface pale green, not appearing brown-dotted, no stellate hairs with brown centers, densely long stellate-hairy, adaxial surface darker green, less densely short stellate-hairy. |
Inflorescences | bisexual, racemes, 3–12 cm, staminate flowers 10–20, pistillate flowers 2–5. |
bisexual, congested racemes, 0.8–1.5 cm, staminate flowers 5–15, pistillate flowers 3–6. |
Pedicels | staminate 2.5–4 mm, pistillate 0–0.5 mm. |
staminate 0.4–0.9 mm, pistillate 0–0.8 mm. |
Staminate flowers | sepals 5, 0.8–1.2 mm, abaxial surface stellate-tomentose; petals 5, oblanceolate to spatulate, 2 mm, abaxial surface glabrous except margins densely fimbrillate-villous; stamens 9–16. |
sepals 5, 0.8–1 mm, abaxial surface stellate-hairy; petals 5, linear-oblong to lanceolate, 0.8–1 mm, abaxial surface glabrous; stamens 7–10. |
Pistillate flowers | sepals 5, equal, 2.2 mm, margins entire, apex incurved, abaxial surface stellate-hairy; petals 0; ovary 3-locular; styles 3, 3–4.5 mm, 2-fid to base, terminal segments 6. |
sepals 6–7, equal, 5–6 mm, margins entire, apex incurved, abaxial surface stellate-hairy; petals 0; ovary 3-locular; styles 3, 2–3 mm, 2 times 2-fid, terminal segments 12. |
Capsules | 5–6 mm diam., smooth; columella apex with 3 rounded, inflated lobes. |
4–5 mm diam., smooth; columella slightly 3-winged distally. |
Seeds | 4–5 × 3.2–3.8 mm, shiny. |
4–4.5 × 3–4 mm, shiny. |
Croton fruticulosus |
Croton elliottii |
|
Phenology | Flowering May–Dec. | Flowering Jul–Sep. |
Habitat | Limestone or basalt hills. | Depression ponds, depression meadows, clay-based Carolina bays, usually on exposed pond edges or bottoms. |
Elevation | 100–1700 m. (300–5600 ft.) | 0–100 m. (0–300 ft.) |
Distribution |
AZ; NM; TX; Mexico (Chihuahua, Coahuila, Nuevo León, San Luis Potosí, Tamaulipas)
|
AL; FL; GA; SC |
Discussion | Croton fruticulosus is known in the flora area from southeastern Arizona through southern New Mexico and trans-Pecos Texas to the Edwards Plateau. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Croton elliottii is most closely related to C. capitatus. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 12, p. 214. | FNA vol. 12, p. 214. |
Parent taxa | ||
Sibling taxa | ||
Name authority | Engelmann ex Torrey: in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 194. (1859) — (as fruticulosum) | Chapman: Fl. South. U.S., 407. (1860) |
Web links |