Croton elliottii |
Croton incanus |
|
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Elliott's croton, pondshore croton |
salvia, Torrey's croton, vara blanca |
|
Habit | Herbs, annual, 3–8 dm, monoecious. | Shrubs, 10–20 dm, monoecious. |
Stems | usually single from base, then well branched from first reproductive node, appressed stellate-hairy. |
much branched distally, stellate-velutinous. |
Leaves | 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. |
sometimes clustered near inflorescences; stipules linear-subulate, 2–3 mm; petiole 0.7–1.5 cm, (1/4–)3/8–1/2 leaf blade length, glands absent at apex; blade oblong, ovate-oblong, or elliptic-oblong, 1.5–4(–6) × 1.5–3 cm, base rounded to obtuse, margins entire, apex acute to obtuse, abaxial surface whitish, densely stellate-tomentose, adaxial surface darker green, stellate-tomentose. |
Inflorescences | bisexual, congested racemes, 0.8–1.5 cm, staminate flowers 5–15, pistillate flowers 3–6. |
bisexual, racemes, 2–5 cm, staminate flowers 10–25, pistillate flowers 2–4. |
Pedicels | staminate 0.4–0.9 mm, pistillate 0–0.8 mm. |
staminate 1.7–3 mm, pistillate 1–2 mm. |
Staminate flowers | 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. |
sepals 5, 1.5–2 mm, abaxial surface densely tomentose; petals 5, oblanceolate, 1.5–2 mm, abaxial surface villous; stamens 10–16. |
Pistillate flowers | 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. |
sepals 5, equal, 1.2–3.5 mm, margins entire, apex straight to slightly incurved, abaxial surface tomentose; petals 0; ovary 3-locular; styles 3, 1.8–3.5 mm, 2-fid to base, terminal segments 6. |
Capsules | 4–5 mm diam., smooth; columella slightly 3-winged distally. |
6–8 × 4–5 mm, smooth; columella apex with 3 rounded, inflated lobes. |
Seeds | 4–4.5 × 3–4 mm, shiny. |
4.5–7 × 3–4 mm, dull. |
2n | = 20. |
|
Croton elliottii |
Croton incanus |
|
Phenology | Flowering Jul–Sep. | Flowering Mar–Nov. |
Habitat | Depression ponds, depression meadows, clay-based Carolina bays, usually on exposed pond edges or bottoms. | Calcareous loams, xeric rocky limestone slopes and canyons. |
Elevation | 0–100 m. (0–300 ft.) | 0–700 m. (0–2300 ft.) |
Distribution |
AL; FL; GA; SC |
TX; n Mexico; c Mexico |
Discussion | Croton elliottii is most closely related to C. capitatus. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Croton incanus is known in the flora area from the trans-Pecos region to south Texas. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 12, p. 214. | FNA vol. 12, p. 217. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | C. suaveolens var. oblongifolius, C. torreyanus | |
Name authority | Chapman: Fl. South. U.S., 407. (1860) | Kunth: in A. von Humboldt et al., Nov. Gen. Sp. 2(fol.): 58; 2(qto.): 73. (1817) |
Web links |