Flora of North America species comparison

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Acalypha wilkesiana

Acalypha phleoides

beefsteak plant, match-me-if-you-can, painted copperleaf, wilkes' acalypha

shrubby copperleaf
Habit Shrubs, 20–50 dm, monoecious. Herbs, perennial, 2–5 dm, monoecious.
Stems

erect, sparsely to densely pubescent, not glandular.

erect, short-pubescent and hirsute.
Leaves

persistent;

petiole 1–6 cm;

blade ovate to broadly ovate or suborbiculate, 9–20 × 4–15 cm, base obtuse to rounded or subcordate, margins serrate-crenate, apex acuminate.

petiole 0.2–1 cm;

blade rhombic-ovate to ovate, or proximal suborbiculate, 2–6 × 1–3 cm, base acute to rounded, margins serrate to crenate-serrate, apex acute to acuminate.
Inflorescences

usually unisexual, rarely bisexual, axillary;

staminate peduncle 0.1–1.5 cm, fertile portion 10–20 cm;

pistillate peduncle 1–2 cm, fertile portion 4–15 × 0.5–0.8 cm;

bisexual similar to staminate, with 1–2 pistillate bracts near base;

allomorphic pistillate flowers absent.

bisexual, terminal;

peduncle 0.3–0.5(–1) cm, pistillate portion 4–7 × 1.6–2 cm, staminate portion 0.5–3.5 cm;

allomorphic pistillate flowers rarely present, replacing all or part of staminate portion of inflorescence.
Pedicels

of allomorphic flowers 3–5 mm.
Pistillate flowers

pistil 3-carpellate;

styles multifid or laciniate.

pistil 3-carpellate (normal flowers), 2-carpellate (allomorphic flowers);

styles multifid or laciniate.
Capsules

unknown.

muricate, pubescent;

allomorphic fruits obovoid, 2 × 1.5 mm, muricate, pubescent.
Seeds

unknown.

1.5–2 mm, minutely pitted.
Pistillate

bracts loosely arranged (inflorescence axis visible between bracts), 2–4 × 3–5 mm, abaxial surface sparsely to moderately pubescent;

lobes 7–9, ovate to lanceolate, 1/4 bract length, except terminal lobe to 1/2 bract length.

bracts (normal flowers) loosely arranged (inflorescence axis visible between bracts), 8–12 × 7–11 mm, abaxial surface sparsely pubescent and stipitate-glandular;

lobes (3–)5–7(–8), triangular to attenuate, 1/5–1/3 bract length or terminal lobe longer; of allomorphic flowers absent.
2n

= 40 (Mexico).

Acalypha wilkesiana

Acalypha phleoides
Phenology Flowering spring–fall. Flowering and fruiting spring–fall.
Habitat Old home sites, disturbed areas. Rocky areas, grasslands, oak, pine, or juniper woodlands.
Elevation 0–10 m. (0–0 ft.) 100–2600 m. (300–8500 ft.)
Distribution
from FNA
FL; Pacific Islands [Introduced in North America; introduced also in Mexico, West Indies, Central America, n South America, se Asia, Africa]
from FNA
AZ; NM; TX; Mexico; Central America (Guatemala)
[WildflowerSearch map]
[BONAP county map]
Discussion

Acalypha wilkesiana is not known in the wild, but presumably originated in the southwestern Pacific Islands (Bismarck Archipelago east to Fiji). The species is commonly cultivated as an ornamental for its leaves that may be various shades of green, purple, red, orange, and yellow (sometimes variegated), and sometimes contorted into unusual shapes. Despite low seed set, it occasionally becomes naturalized in tropical and subtropical areas. Naturalized plants often lack the distinctive leaf coloration found in cultivated plants. Although sometimes treated as A. amentacea subsp. wilkesiana, DNA sequence data show that A. wilkesiana and A. amentacea are distinct species (V. G. Sagun et al. 2010).

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

Plants from the United States have nearly always been called Acalypha lindheimeri, distinguished from A. phleoides on the basis of leaf shape and bract lobing. Although plants from Texas generally can be distinguished from plants from central Mexico southward, plants from intervening regions in the United States and Mexico include a full range of intermediates (G. A. Levin 1999b).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 165. FNA vol. 12, p. 165.
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. radians, A. rhomboidea, A. setosa, A. virginica
A. alopecuroidea, A. arvensis, A. australis, A. californica, A. chamaedrifolia, A. deamii, A. gracilens, A. monococca, A. monostachya, A. neomexicana, A. ostryifolia, A. poiretii, A. radians, A. rhomboidea, A. setosa, A. virginica, A. wilkesiana
Synonyms A. amentacea subsp. wilkesiana A. lindheimeri, A. lindheimeri var. major
Name authority Müller Arg.: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 15(2): 817. (1866) Cavanilles: Anales Hist. Nat. 2: 139. (1800)
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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