Flora of North America species comparison

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Dalea neomexicana

Warnock's prairie clover

downy prairie-clover, New Mexico dalea

Stems

1.2–2.5 dm, gland-dotted.

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

Inflorescences

spikes, ± densely flowered, not involucrate, 8 mm diam.;

axis not visible, 0.3–1.4 cm;

bracts early deciduous or proximal ones persistent, 2–3 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

0.1–0.6 cm.

0.3–0.4 cm.

Stamens

5, 9.5 mm, filaments distinct to 4.5 mm, anthers unknown.

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

Corollas

white;

not conventionally papilionaceous;

banner 5.4 mm, blade deltate-obcordate, 2.5 × 3 mm; epistemonous petals attached at separation of filaments, blades 3 × 1.5 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

somewhat asymmetric, slightly recessed opposite banner, 3.8–4.3 mm, glabrous;

tube 2.8–3.5 mm, with 3–8+ blister glands between ribs, lobes triangular-subulate or adaxial pair triangular-acuminate.

± 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

2.8 mm, sparsely pubescent along abaxial side, densely so at base of style, gland-dotted.

1.2–3 mm, pilose distally, eglandular.

Seeds

2 mm.

1.7–2.4 mm.

Perennial

herbs, erect, glabrous proximal to inflorescences.

herbs, matted or tufted, gray-silky pubescent.

Principal

leaves 0.8–2(–2.3) cm;

leaflets 5–9, blades obovate-cuneate, 2.5–7.5 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 neomexicana

Phenology

Flowering summer.

Habitat

Limestone soils.

Elevation

1000–1100 m. (3300–3600 ft.)

Distribution

[BONAP county map]

sw United States; n Mexico

[WildflowerSearch map]

[BONAP county map]

Discussion

Dalea bartonii is known only from the type locality in Brewster County, although a vegetative specimen from adjacent Terrell County was annotated as D. bartonii by B. L. Turner.

Dalea bartonii was assigned by D. K. Wemple (1970) to D. sabinalis (as Petalostemon sabinalis), but R. C. Barneby (1977c) considered it closer to D. scariosa and could not readily accommodate it in his concept or either D. scariosa or D. sabinalis. The known specimens were collected in July but were in late flower and early fruit, indicating that the peak of bloom was earlier.

(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. 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.

Parent taxa

Fabaceae > subfam. Faboideae > Dalea

Sibling taxa

D. albiflora, D. aurea, 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. villosa, 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. neomexicana var. longipila, D. neomexicana var. neomexicana

Synonyms

D. mollis var. neomexicana

Name authority

Barneby: Mem. New York Bot. Gard. 27: 239, plate 54. (1977) — (as bartoni)

(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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