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Wright's dalea, Wright's prairie-clover

Stems

0.4–2.6(–3.6) dm, eglandular.

Inflorescences

spikes, relatively densely flowered, not involucrate, 17–23 mm diam.;

axis not to partially visible, (1.5–)2–6 cm;

bracts deciduous near anthesis, 6–12 mm.

Peduncles

absent or very short.

Stamens

10, 10–13 mm, filaments distinct to 1.5 mm, anthers 0.5–0.7 mm.

Corollas

clear yellow, pinkish or orangish brown in age; papilionaceous;

banner 7.8–9.5 mm, blade cordate, 2–3 × 2.4–3.4 mm; epistemonous petals attached distal to middle of stamen tube;

wings 2.6–3.4 × 1.8–2.3 mm;

keel connate valvately, blades (2.6–)3–4(–4.2) × 1.6–2.2 mm.

Calyces

somewhat asymmetric, slightly recessed opposite banner, (8.5–)9–12.3 mm, densely pilose;

tube (2.5–)2.7–3.5 mm, with 4 glands between ribs, lobes triangular-aristate, becoming plumose.

Legumes

2.8–3.5 mm, distally with 2 rows of ascending hairs on either side of a glabrescent row, eglandular.

Seeds

2–2.8 mm.

Perennial

herbs, erect to decumbent or ascending, silky-pilose.

Principal

leaves 1–3.5 cm;

leaflets 5, blades rhombic-ovate to lanceolate, 4–15(–20) mm, surfaces apparently eglandular.

2n

= 14.

Dalea wrightii

Phenology Flowering early spring–fall.
Habitat Rocky grasslands, desert slopes, on limestone.
Elevation 500–1800 m. (1600–5900 ft.)
Distribution
from FNA
AZ; NM; TX; Mexico (Chihuahua, Coahuila, Sonora)
[WildflowerSearch map]
[BONAP county map]
Discussion

Dalea wrightii occurs in southeastern Arizona, southern New Mexico, and trans-Pecos Texas.

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

Source FNA vol. 11.
Parent taxa 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. villosa
Synonyms D. wrightii var. warnockii
Name authority A. Gray: Smithsonian Contr. Knowl. 3(5): 49. (1852)
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