Flora of North America species comparison

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Acalypha radians

Acalypha chamaedrifolia

cardinal feather, cardinal's feather, palmate copperleaf

bastard copperleaf, Everglades copperleaf
Habit Herbs or subshrubs, perennial, 1.5–4 dm, dioecious. Herbs, perennial, 1–2.5 dm, monoecious.
Stems

prostrate to ascending, short-pubescent and hirsute.

prostrate to ascending, pubescent.
Leaves

petiole 0.4–1.6 cm;

blade reniform or suborbiculate, 0.5–1.5 × 0.8–2 cm, base cordate or rounded, margins deeply crenate, apex rounded.

petiole 0.1–0.5 cm;

blade ovate to orbiculate, 0.3–2.1 × 0.3–1.2 cm, base cordate or rounded, margins serrate-crenate, apex obtuse or acute.
Inflorescences

unisexual, terminal (staminate and pistillate) and axillary (pistillate);

staminate peduncle 0.5–3 cm, fertile portion 1–4(–5) cm;

pistillate peduncle 0.1–0.5 cm, fertile portion 1–2.5 × 0.8–1.2 cm;

allomorphic pistillate flowers absent.

bisexual, terminal;

peduncle 0.2–1 cm, pistillate portion 1.5–3 × 1–1.5 cm, staminate portion 0.8–2.5 cm;

allomorphic pistillate flowers absent.
Pistillate flowers

pistil 3-carpellate;

styles multifid or laciniate.

pistil 3-carpellate;

styles multifid or laciniate.
Capsules

smooth, pubescent and hirsute.

smooth, pubescent.
Seeds

1.8–2 mm, minutely pitted.

1.2–1.4 mm, minutely pitted.
Pistillate

bracts crowded (inflorescence axis not visible between bracts), 7–10 × 12–16 mm, abaxial surface hirsute, sessile- and stipitate-glandular;

lobes (7–)8–10(–13), spatulate, 1/2 bract length.

bracts crowded (inflorescence axis not or sparingly visible between bracts), 4–6 × 7–10 mm, abaxial surface pubescent and sessile-glandular;

lobes (7–)10–13, deltate to triangular, 1/5 bract length.

Acalypha radians

Acalypha chamaedrifolia
Phenology Flowering and fruiting spring–fall. Flowering and fruiting year-round, mainly spring–fall.
Habitat Grassy openings, dunes, and oak or mesquite woodlands, usually on deep sand. Rocky pine woods, disturbed areas.
Elevation 0–200 m. (0–700 ft.) 0–10 m. (0–0 ft.)
Distribution
from FNA
TX; Mexico (Tamaulipas)
[WildflowerSearch map]
[BONAP county map]
from FNA
FL; West Indies
[BONAP county map]
Discussion

Acalypha radians is found in the flora area from the Edwards Plateau south to the Mexican border.

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

In the flora area, Acalypa chamaedrifolia is native to Miami-Dade and Monroe counties but has been sparingly, and apparently accidentally, introduced farther north.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 166. FNA vol. 12, p. 166.
Parent taxa Euphorbiaceae > Acalypha Euphorbiaceae > Acalypha
Sibling taxa
A. alopecuroidea, A. arvensis, A. australis, A. californica, A. chamaedrifolia, A. deamii, A. gracilens, A. monococca, A. monostachya, A. neomexicana, A. ostryifolia, A. phleoides, A. poiretii, A. rhomboidea, A. setosa, A. virginica, A. wilkesiana
A. alopecuroidea, A. arvensis, A. australis, A. californica, A. deamii, A. gracilens, A. monococca, A. monostachya, A. neomexicana, A. ostryifolia, A. phleoides, A. poiretii, A. radians, A. rhomboidea, A. setosa, A. virginica, A. wilkesiana
Synonyms Croton chamaedryfolius
Name authority Torrey: in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 200. (1859) (Lamarck) Müller Arg.: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 15(2): 879. (1866)
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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