Flora of North America species comparison

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Dalea villosa

Dalea neomexicana

hairy prairieclover, silky prairie clover

downy prairie-clover, New Mexico dalea
Stems

2.5–8(–9) dm, ± eglandular.

0.3–3.5 dm, sparsely to densely glandular-pustulate.
Inflorescences

spikes, moderately densely flowered, not involucrate, 7–10 mm diam.;

axis eventually visible, 3–12(–14) cm;

bracts deciduous, (1.5–)2–5.5 mm.

racemes, spikelike, densely flowered, not involucrate, 1.3–1.6 mm diam.;

axis not visible, 1–6 cm;

bracts soon deciduous, 2–6 mm.
Peduncles

0–1(–2.5) cm.

0.3–0.4 cm.
Stamens

5, (5–)5.4–7 mm, filaments distinct to 2.5–4.4 mm, anthers 0.6–0.9(–1) mm.

10, 5–6.7 mm, filaments distinct to 2.4 mm, anthers 0.5–0.7(–1) mm.
Corollas

usually rose-purple to pale pink or lavender, rarely white;

not conventionally papilionaceous;

banner 4.4–5.6 mm, blade ovate to elliptic, 2.3–3 × 2–2.6 mm; epistemonous petals attached at separation of filaments, blades 2.1–3.8 × 0.9–1.3 mm.

bicolored, banner whitish, violet-tinged, other petals white or whitish; papilionaceous;

banner 4–5.6 mm, blades ± cordate, (2.8–)3–3.7 × 2.3–3.4 mm; epistemonous petals attached proximal to middle of stamen tube;

wings 2.4–3.3 × 1.3–1.8 mm;

keel persistent, remaining attached to stamen column, connate by overlapping margins, blades 2.4–3.5 × 1.8–2.2 mm.
Calyces

asymmetric, recessed opposite banner, 2.8–3.8 mm, densely pilosulous;

tube 1.9–2.7 mm, with 0 glands between ribs, lobes lanceolate or subulate or adaxial pair triangular to ovate.

± symmetric, 4.2–8 mm, densely pilose;

tube 2.1–3.1 mm, with 5–7(–9) glands between ribs, lobes triangular-aristate or plumose.
Legumes

2.5–3.2 mm, distally villosulous, ± eglandular.

1.2–3 mm, pilose distally, eglandular.
Seeds

2–2.4 mm.

1.7–2.4 mm.
Perennial

herbs, erect or ascending to spreading, sometimes trailing, sparsely pubescent or densely villosulous.

herbs, matted or tufted, gray-silky pubescent.
Principal

leaves 2–4(–4.5) cm;

leaflets (9 or) 11–17(–21), blades elliptic to elliptic-oblanceolate, 8.5–15 mm.

leaves 0.8–4.5 cm;

leaflets 7–15, blades cuneate-obcordate to obovate or elliptic-ovate, 2.5–8 mm, margins entire or undulate-crenate.

Dalea villosa

Dalea neomexicana
Distribution
from USDA
North America
[WildflowerSearch map]
[BONAP county map]
from USDA
sw United States; n Mexico
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

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

Varieties 3 (2 in the flora).

Dalea neomexicana somewhat resembles Marina calycosa in habit and overall appearance. It is sometimes confused also with D. mollis and D. mollissima, since the annual nature of those species is not always apparent in well-developed plants.

Variety megaladenia Barneby is known from northern Mexico in the states of Chihuahua, Coahuila, and Durango.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Stems usually 2.5–5 dm, rarely longer, densely villosulous; leaflet blades 8.5–10(–11) mm, surfaces densely villosulous.
var. villosa
1. Stems 5–8(–9) dm, sparsely pubescent; leaflet blades 10–15 mm, surfaces sparsely pubescent.
var. grisea
1. Leaflet blades cuneate-obcordate, margins usually undulate-crenulate.
var. neomexicana
1. Leaflet blades obovate or elliptic-ovate, margins usually entire.
var. longipila
Source FNA vol. 11. FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Dalea Fabaceae > subfam. Faboideae > Dalea
Sibling taxa
D. albiflora, D. aurea, D. bartonii, D. bicolor, D. brachystachys, D. cahaba, D. candida, D. carnea, D. carthagenensis, D. compacta, D. cylindriceps, D. emarginata, D. enneandra, D. exigua, D. exserta, D. feayi, D. filiformis, D. flavescens, D. foliosa, D. formosa, D. frutescens, D. gattingeri, D. grayi, D. greggii, D. hallii, D. jamesii, D. lachnostachys, D. lanata, D. laniceps, D. lasiathera, D. leporina, D. lumholtzii, D. mollis, D. mollissima, D. multiflora, D. nana, D. neomexicana, D. obovata, D. ornata, D. phleoides, D. pinnata, D. pogonathera, D. polygonoides, D. pringlei, D. pulchra, D. purpurea, D. reverchonii, D. sabinalis, D. scandens, D. scariosa, D. searlsiae, D. tentaculoides, D. tenuifolia, D. tenuis, D. urceolata, D. versicolor, D. wrightii
D. albiflora, D. aurea, D. bartonii, D. bicolor, D. brachystachys, D. cahaba, D. candida, D. carnea, D. carthagenensis, D. compacta, D. cylindriceps, D. emarginata, D. enneandra, D. exigua, D. exserta, D. feayi, D. filiformis, D. flavescens, D. foliosa, D. formosa, D. frutescens, D. gattingeri, D. grayi, D. greggii, D. hallii, D. jamesii, D. lachnostachys, D. lanata, D. laniceps, D. lasiathera, D. leporina, D. lumholtzii, D. mollis, D. mollissima, D. multiflora, D. nana, D. obovata, D. ornata, D. phleoides, D. pinnata, D. pogonathera, D. polygonoides, D. pringlei, D. pulchra, D. purpurea, D. reverchonii, D. sabinalis, D. scandens, D. scariosa, D. searlsiae, D. tentaculoides, D. tenuifolia, D. tenuis, D. urceolata, D. versicolor, D. villosa, D. wrightii
Subordinate taxa
D. villosa var. grisea, D. villosa var. villosa
D. neomexicana var. longipila, D. neomexicana var. neomexicana
Synonyms Petalostemon villosus D. mollis var. neomexicana
Name authority (Nuttall) Sprengel: Syst. Veg. 3: 326. (1826) (A. Gray) Cory: Rhodora 38: 406. (1936)
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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