Acalypha neomexicana

Müller Arg.

Linnaea 34: 19. 1865. 1865

Common names: New Mexico copperleaf
Weedy
Treatment appears in FNA Volume 12. Treatment on page 169. Mentioned on page 164.

Herbs, annual, 1–3.5 dm, monoecious. Stems erect, pubescent. Leaves: petiole 1–4 cm; blade ovatelanceolate, 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. 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. 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.


Phenology: Flowering and fruiting late summer–fall.
Habitat: Moist or shaded areas, oak or pine woodlands, desert grasslands.
Elevation: 600–2500 m.

Distribution

Ariz., N.Mex., Tex., n, c Mexico

Discussion

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

Selected References

None.

Lower Taxa

None.

"elongated" is not a number.No values specified."dm" is not declared as a valid unit of measurement for this property.

... more about "Acalypha neomexicana"
stipitate-glandular +  and pubescent +
Geoffrey A. Levin +
Müller Arg. +
rounded +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
ovatelanceolate +
0.7cm;2.7cm +
0.7 cm7 mm <br />0.007 m <br /> (?) +  and 1 cm10 mm <br />0.01 m <br /> (?) +
thread-like +
New Mexico copperleaf +
Ariz. +, N.Mex. +, Tex. +, n +  and c Mexico +
600–2500 m. +
0.14 cm1.4 mm <br />0.0014 m <br /> (?) +  and 0.16 cm1.6 mm <br />0.0016 m <br /> (?) +
muricate +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.12 cm1.2 mm <br />0.0012 m <br /> (?) +
Moist or shaded areas, oak or pine woodlands, desert grasslands. +
drought-deciduous +  and persistent +
deltate;triangular +
palmate +  and pinnate +
dentate +, serrate +  and entire +
crenate +  and serrate +
allomorphic +, pistillate +  and staminate +
pistillate +  and staminate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
connate;distinct +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Flowering and fruiting late summer–fall. +
2-carpellate +  and 3-carpellate +
5 cm50 mm <br />0.05 m <br /> (7 cm70 mm <br />0.07 m <br />) +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
ellipsoid +  and subglobose +
not petaloid +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
distinct +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
deciduous +  and persistent +
connate +  and distinct +
laciniate +  and multifid +
Acalypha neomexicana +
Acalypha +
species +
spikelike +