Flora of North America species comparison

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Dalea grayi

Gray's prairie-clover
Stems

(3–)3.5–7(–9) dm, eglandular or sparsely gland-dotted.
Inflorescences

spikes, densely flowered, not involucrate, 7–9 mm diam.;

axis not visible, (0.4–)0.7–5.5(–7) cm;

bracts persistent, (2.2–)2.5–4.5 mm.
Peduncles

0.5–5(–10) cm.
Stamens

10, 5.5–7 mm, filaments distinct to 2.7–4 mm, anthers 0.5–0.7 mm.
Corollas

white or whitish, banner reddish or purplish in age;

not conventionally papilionaceous;

banner plane, 4–5.7 mm, blade triangular-cordate to rhombic-ovate, not peltate, 1.6–2.5 × 2–2.4 mm; epistemonous petals attached high on stamen tube, just proximal to separation of filaments, blades 2.2–3.1 × 0.8–1.4 mm.
Calyces

subsymmetric, 3.6–4.8(–5.2) mm, silky-pilosulous;

tube 2–2.7 mm, with 3–6 glands between ribs, lobes triangular-acuminate to -aristate.
Legumes

2.2–2.5 mm, villosulous distally and dotted with small glands.
Seeds

1.6 mm.
Perennial

herbs, erect, glabrous proximal to inflorescences.
Principal

leaves 1–5 cm;

leaflets (11–)17–43, blades elliptic-oblanceolate to narrowly obovate, 1–4.5(–5.5) mm.
2n

= 14.

Dalea grayi
Phenology Flowering fall (spring–summer).
Habitat Rocky slopes, washes, canyons, open pine or oak woodlands.
Elevation 700–2200 m. (2300–7200 ft.)
Distribution
from FNA
AZ; NM; Mexico (Chihuahua, Durango, Sinaloa, Sonora)
[WildflowerSearch map]
[BONAP county map]
Discussion

Dalea grayi occurs in southeastern Arizona as far northwest as Gila County and far southwestern New Mexico (Grant and Hidalgo counties).

(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. 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
Synonyms Parosela grayi
Name authority (Vail) L. O. Williams: Ann. Missouri Bot. Gard. 23: 450. (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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