Flora of North America species comparison

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Acalypha neomexicana

New Mexico copperleaf
Habit Herbs, annual, 1–3.5 dm, monoecious.
Stems

erect, pubescent.
Leaves

petiole 1–4 cm;

blade ovate-lanceolate, 2–5 × 0.7–2.7 cm, base rounded (sometimes asymmetric), margins crenate to serrate, apex acute.
Inflorescences

unisexual, axillary (staminate) and terminal (pistillate; sometimes on short lateral branches, appearing axillary);

staminate peduncle 0.1–0.3 cm, fertile portion 0.1–0.6 cm;

pistillate peduncle 0.1–0.2 cm, fertile portion 2–5(–7) × 1.5–2.5 cm;

allomorphic pistillate flowers common, near apices of pistillate inflorescences.
Pedicels

of allomorphic flowers rudimentary.
Pistillate flowers

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

styles multifid or laciniate.
Capsules

smooth, pubescent;

allomorphic fruits obovoid, longitudinally 2-ridged near apex, 1.4–1.6 × 1–1.2 mm, muricate, pubescent.
Seeds

1.2–1.5 mm, coarsely pitted.
Pistillate

bracts (normal and allomorphic flowers) crowded (inflorescence axis not or sparingly visible between bracts), 12–15 × 7–10 mm, abaxial surface pubescent and stipitate-glandular;

lobes (5–)9–13(–17), deltate to triangular, 1/8–1/4 bract length, except terminal lobe to 1/3 bract length.

Acalypha neomexicana
Phenology Flowering and fruiting late summer–fall.
Habitat Moist or shaded areas, oak or pine woodlands, desert grasslands.
Elevation 600–2500 m. (2000–8200 ft.)
Distribution
from FNA
AZ; NM; TX; n Mexico; c Mexico
[WildflowerSearch map]
[BONAP county map]
Discussion

Acalypha neomexicana is known in Texas only from the trans-Pecos region.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 169.
Parent taxa Euphorbiaceae > Acalypha
Sibling taxa
A. alopecuroidea, A. arvensis, A. australis, A. californica, A. chamaedrifolia, A. deamii, A. gracilens, A. monococca, A. monostachya, A. ostryifolia, A. phleoides, A. poiretii, A. radians, A. rhomboidea, A. setosa, A. virginica, A. wilkesiana
Name authority Müller Arg.: Linnaea 34: 19. (1865)
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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