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Hall's prairie clover
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silver prairie clover
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1.3–3(–4) dm, eglandular or with scattered small glands. |
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spikes, relatively loosely flowered, not involucrate, 14–17 mm diam.; axis partially visible, 1–5 cm; bracts deciduous near anthesis, 4–6.5 mm. |
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usually absent, rarely to 1 cm. |
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10, 9.5–11.5 mm, filaments distinct to 2.5–3 mm, anthers (0.7–)0.8–1 mm. |
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yellow, rarely brownish in age; papilionaceous; banner 5–6.2 mm, blade deltate-cordate, 2.8–3.3 × 3–3.8 mm; epistemonous petals attached near middle of stamen tube; wings 3.6–5 × 2.2–2.8 mm; keel connate valvately, blades 5.2–6.4 × 3.6–4 mm. |
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asymmetric, recessed opposite banner, (5.1–)5.5–7.8 mm, pilosulous to pilose; tube 2.4–3 mm, with 2 or 3 small glands between ribs, lobes lanceolate-aristate. |
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3 mm, distally with 2 rows of ascending hairs on either side of a glabrescent row, eglandular. |
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2.2 mm. |
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herbs, decumbent to ascending, strigulose. |
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leaves 1.5–4.5 cm; leaflets 3, blades linear-elliptic to linear, 8–30(–35) mm. |
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| Flowering spring (fall). |
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| Rocky outcrops in grasslands, usually on limestone. |
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| 100–600 m. (300–2000 ft.) |
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TX |
sw United States; Mexico
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Dalea hallii is endemic to central and north-central Texas from the edge of the Edwards Plateau from as far south as Bandera County northward to Fannin County along the Red River. (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. grayi, D. greggii, 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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| A. Gray: Proc. Amer. Acad. Arts 8: 625. (1873) |
Humboldt & Bonpland ex Willdenow: Hort. Berol. 2: plate 89. (1809): Enum. Pl., 787. (1809) |
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