Croton punctatus |
Croton elliottii |
|
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beach tea, gulf croton, hierba de jabalí |
Elliott's croton, pondshore croton |
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Habit | Shrubs, 3–10 dm, monoecious or sometimes appearing dioecious. | Herbs, annual, 3–8 dm, monoecious. |
Stems | trichotomously branching, stellate-hairy to stellate-lepidote. |
usually single from base, then well branched from first reproductive node, appressed stellate-hairy. |
Leaves | not clustered; stipules absent; petiole 1–4 cm, 1/2 to equal blade length, glands absent at apex; blade broadly elliptic to suborbiculate, 2–5 × 1.5–4 cm, much less than 2 times as long as wide, base rounded to truncate, margins entire, apex obtuse to rounded, abaxial surface pale grayish green, stellate-lepidote, adaxial surface slightly darker green, stellate-lepidote. |
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 | unisexual or bisexual, racemes, 1–4 cm, staminate flowers 3–7, pistillate flowers 1–3. |
bisexual, congested racemes, 0.8–1.5 cm, staminate flowers 5–15, pistillate flowers 3–6. |
Pedicels | staminate 2–4 mm, pistillate 0–1 mm. |
staminate 0.4–0.9 mm, pistillate 0–0.8 mm. |
Staminate flowers | sepals 5–6, 2.5 mm, abaxial surface stellate-lepidote; petals 0; stamens 10–13. |
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, 3–3.5 mm, margins entire, apex incurved, abaxial surface stellate-lepidote; petals 0; ovary 3-locular; styles 3, 1–2 mm, multifid, terminal segments 12–24. |
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 | 5–8 × 7–9 mm, smooth; columella 3-winged. |
4–5 mm diam., smooth; columella slightly 3-winged distally. |
Seeds | 4.5–6 × 3.7–4.5 mm, dull. |
4–4.5 × 3–4 mm, shiny. |
2n | = 28. |
|
Croton punctatus |
Croton elliottii |
|
Phenology | Flowering year-round. | Flowering Jul–Sep. |
Habitat | Beaches, dunes. | Depression ponds, depression meadows, clay-based Carolina bays, usually on exposed pond edges or bottoms. |
Elevation | 0–20 m. (0–100 ft.) | 0–100 m. (0–300 ft.) |
Distribution |
AL; FL; GA; LA; MS; NC; SC; TX; e Mexico; Central America; West Indies; n South America
|
AL; FL; GA; SC |
Discussion | A report of Croton punctatus from Pennsylvania apparently was based on a transient appearance on ballast (E. T. Wherry et al. 1979). (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. 222. | FNA vol. 12, p. 214. |
Parent taxa | Euphorbiaceae > Croton | Euphorbiaceae > Croton |
Sibling taxa | ||
Synonyms | C. disjunctiflorus, C. maritimus, C. plukenetii | |
Name authority | Jacquin: Collectanea 1: 166. (1787) — (as puntatum) | Chapman: Fl. South. U.S., 407. (1860) |
Web links |