Dalea pringlei |
Dalea sabinalis |
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Pringle's dalea, Pringle's prairie clover |
sabinal prairie clover |
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Stems | 2.5–5(–6) dm, sparsely gland-dotted. |
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Inflorescences | spikes, relatively loosely flowered, not involucrate, 6.5–8 mm diam.; axis usually partially visible at anthesis, 4–9 cm; bracts early deciduous, 3 mm. |
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Peduncles | 6–12 cm. |
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Stamens | 5, 5–6 mm, filaments distinct to 2.5–3 mm, anthers 0.6 mm. |
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Corollas | pink to rose; not conventionally papilionaceous; banner 5.4 mm, blade deltate-obcordate, 2.5 × 3 mm; epistemonous petals attached at separation of filaments, blades 3 × 1.5 mm. |
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Calyces | asymmetric, recessed opposite banner, 3–3.3 mm, glabrous, lobes sometimes pilosulous; tube 2.3–2.5 mm, greenish intervals between ribs eglandular, lobes subulate or adaxial pair triangular-ovate. |
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Legumes | 3 mm, glabrate, margins ± short-ciliate distally, minutely gland-dotted. |
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Seeds | 1.5–2.1 mm. |
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Perennial | herbs, erect, glabrous proximal to inflorescences. |
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Principal | leaves 2–4 cm; leaflets 11–17, blades linear-oblanceolate, 7–15 mm. |
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Dalea pringlei |
Dalea sabinalis |
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Phenology | Flowering spring. | |
Habitat | Open slopes, limestone soils. | |
Elevation | 500–600 m. (1600–2000 ft.) | |
Distribution |
sw United States; n Mexico
|
TX |
Discussion | Varieties 3 (1 in the flora). Two varieties of Dalea pringlei occur in Mexico. Variety multijuga Barneby is found in Chihuahua, Sinaloa, and Sonora, while var. oxyphyllidia Barneby is restricted to the Río Mayo area of Sonora. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Dalea sabinalis was first found at the entrance to Sabinal Canyon in Bandera County, but collections are known also from nearby Uvalde and Val Verde counties; it has not been collected since the 1950s, and no extant populations are known. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | Petalostemon sabinalis | |
Name authority | A. Gray: Proc. Amer. Acad. Arts 17: 201. (1882) | (S. Watson) Shinners: Field & Lab. 17: 83. (1949) |
Web links |