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Gray's prairie-clover
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silver prairie clover
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(3–)3.5–7(–9) dm, eglandular or sparsely gland-dotted. |
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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. |
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0.5–5(–10) cm. |
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10, 5.5–7 mm, filaments distinct to 2.7–4 mm, anthers 0.5–0.7 mm. |
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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. |
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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. |
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2.2–2.5 mm, villosulous distally and dotted with small glands. |
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1.6 mm. |
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herbs, erect, glabrous proximal to inflorescences. |
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leaves 1–5 cm; leaflets (11–)17–43, blades elliptic-oblanceolate to narrowly obovate, 1–4.5(–5.5) mm. |
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= 14. |
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| Flowering fall (spring–summer). |
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| Rocky slopes, washes, canyons, open pine or oak woodlands. |
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| 700–2200 m. (2300–7200 ft.) |
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AZ; NM; Mexico (Chihuahua, Durango, Sinaloa, Sonora)
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sw United States; Mexico
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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.) |
Varieties 5 (1 in the flora). Only var. argyrea enters the flora area; the other varieties are confined to Mexico. Variety orcuttiana Barneby occurs in Baja California, var. naviculifolia (Hemsley) Barneby in Oaxaca, var. canescens (M. Martens & Galeotti) Barneby in Oaxaca and Puebla, and var. bicolor is widely distributed in central and northern Mexico. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
| FNA vol. 11. |
FNA vol. 11. |
| Fabaceae > subfam. Faboideae > Dalea |
Fabaceae > subfam. Faboideae > Dalea |
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 |
D. albiflora, D. aurea, D. bartonii, 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 |
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| Parosela grayi |
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| (Vail) L. O. Williams: Ann. Missouri Bot. Gard. 23: 450. (1936) |
Humboldt & Bonpland ex Willdenow: Hort. Berol. 2: plate 89. (1809): Enum. Pl., 787. (1809) |
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