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beach tea, gulf croton, hierba de jabalí

healing croton, silver croton, silverleaf croton

Habit Shrubs, 3–10 dm, monoecious or sometimes appearing dioecious. Herbs or subshrubs, annual or short-lived perennial, 1–6 dm, monoecious.
Stems

trichotomously branching, stellate-hairy to stellate-lepidote.

several from base, branching distally into 2–4 branches, lepidote.

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.

not clustered;

stipules subulate, 0.2 mm;

petiole 0.2–1(–2) cm, glands absent at apex;

blade on proximal parts of stems oval to narrowly obovate, on distal parts oblong to lanceolate-oblong or broadly elliptic, 1–5 × 0.5–2(–3) cm, base rounded to narrowed, margins entire, apex obtuse to rounded, abaxial surface silvery, densely lepidote, adaxial surface darker green, sparsely lepidote or glabrate.

Inflorescences

unisexual or bisexual, racemes, 1–4 cm, staminate flowers 3–7, pistillate flowers 1–3.

bisexual, racemes, 2–5 cm, staminate flowers 15–35, pistillate flowers 2–8.

Pedicels

staminate 2–4 mm, pistillate 0–1 mm.

staminate 1–5 mm, pistillate 0–2 mm.

Staminate flowers

sepals 5–6, 2.5 mm, abaxial surface stellate-lepidote;

petals 0;

stamens 10–13.

sepals 5, 5 mm, abaxial surface lepidote;

petals 5, oblong-spatulate, 5 mm, abaxial surface densely lepidote, scales translucent, petals appearing hyaline;

stamens 10–15.

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 5–7, connate for 1/2+ length, equal, 3–4 mm, margins entire, apex incurved, abaxial surface lepidote;

petals 0;

ovary 3-locular;

styles 3, 2–4 mm, 1–3 times 2-fid at apex, terminal segments 6–24.

Capsules

5–8 × 7–9 mm, smooth;

columella 3-winged.

5–6 × 3–4 mm, smooth;

columella 3-angled.

Seeds

4.5–6 × 3.7–4.5 mm, dull.

4–5 × 2.5–3 mm, dull.

2n

= 28.

Croton punctatus

Croton argyranthemus

Phenology Flowering year-round. Flowering Mar–Sep.
Habitat Beaches, dunes. Deep sandy soils in pinelands, pine-oak scrub, sandhills.
Elevation 0–20 m. (0–100 ft.) 0–200 m. (0–700 ft.)
Distribution
from FNA
AL; FL; GA; LA; MS; NC; SC; TX; e Mexico; Central America; West Indies; n South America
[WildflowerSearch map]
[BONAP county map]
from FNA
AL; FL; GA; LA; MS; TX; Mexico (Nuevo León, Tamaulipas)
[WildflowerSearch map]
[BONAP county map]
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 argyranthemus is closely related to C. coryi. Although they have very different kinds of vegetative indumentum, the staminate petals are characteristically silvery-lepidote in both species.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 12, p. 222. FNA vol. 12, p. 211.
Parent taxa Euphorbiaceae > Croton 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. sancti-lazari, C. setigerus, C. soliman, C. sonorae, C. suaveolens, C. texensis, C. wigginsii
C. alabamensis, C. argenteus, 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. soliman, C. sonorae, C. suaveolens, C. texensis, C. wigginsii
Synonyms C. disjunctiflorus, C. maritimus, C. plukenetii
Name authority Jacquin: Collectanea 1: 166. (1787) — (as puntatum) Michaux: Fl. Bor.-Amer. 2: 215. (1803) — (as argyranthemum)
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