Dalea bicolor |
Dalea tenuis |
|
---|---|---|
silver prairie clover |
pinkglobe prairie clover |
|
Stems | 1.5–4(–5) dm, sparsely glandular-punctate. |
|
Inflorescences | spikes, densely flowered, not involucrate, 7–12 mm diam.; axis not visible, 0.5–2.5 cm; bracts persistent through anthesis, 1.5–4.5 mm. |
|
Peduncles | 2.5–18 cm. |
|
Stamens | 5, 6–8.5 mm, filaments distinct to 2.5–4.8 mm, anthers 0.8–1 mm. |
|
Corollas | pink; not conventionally papilionaceous; banner 4.6–5.8 mm, blade ovate, 2.2–2.5 × 1.5–2.8 mm; epistemonous petals attached at separation of filaments, blades 2.7–3.1 ×1–1.3 mm. |
|
Calyces | subsymmetric, 3–5.2 mm, silky-pilosulous, base with subappressed and retrorse hairs; tube 2–3.1 mm, with 0 glands between ribs, lobes subulate or adaxial pair triangular-ovate. |
|
Legumes | 3.6 mm, glabrous or apically pilosulous, eglandular. |
|
Seeds | apparently unknown. |
|
Perennial | herbs, erect, glabrous or sparsely pilosulous. |
|
Principal | leaves 1.5–3.5 cm; leaflets 3 or 5, blades linear, 6–15 mm. |
|
Dalea bicolor |
Dalea tenuis |
|
Phenology | Flowering late spring–early summer (fall). | |
Habitat | Rocky limestone soils. | |
Elevation | 200–600 m. (700–2000 ft.) | |
Distribution |
sw United States; Mexico
|
OK; TX |
Discussion | 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.) |
Dalea tenuis is largely a species of central Texas occurring as far east as McLennan County and south to Bandera County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | Fabaceae > subfam. Faboideae > Dalea | Fabaceae > subfam. Faboideae > Dalea |
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | Petalostemon violaceus var. tenuis, P. tenuis | |
Name authority | Humboldt & Bonpland ex Willdenow: Hort. Berol. 2: plate 89. (1809): Enum. Pl., 787. (1809) | (J. M. Coulter) Shinners: Field & Lab. 17: 84. (1949) |
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