Dalea scandens var. paucifolia |
Dalea scandens |
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low prairie clover |
low prairie clover |
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Habit | Shrubs or subshrubs, villosulous. | |
Stems | 5–12 dm, sparsely glandular-verruculose distally. |
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Inflorescences | spikes, loosely flowered, not involucrate, 10–13 mm diam.; axis often visible, 0.2–2(–3) cm; bracts deciduous, 2–6.5 mm. |
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Peduncles | absent or less than 0.1 cm, except terminal one for each major branch sometimes to 0.25 cm. |
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Stamens | 10, 4.3–5.5 mm, filaments distinct to 0.6–0.8 mm, anthers 0.6 mm. |
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Corollas | greenish cream, brownish purple in age; papilionaceous; banner 2.5–3.7 mm, blade ovate to nearly orbiculate, 1.9–3 × 1.9–3 mm; epistemonous petals attached proximal to middle of stamen tube; wings 2–3 × 1–1.7 mm; keel connate valvately, blades 2.5–3.5(–3.7) × 1.4–1.9(–2.1) mm. |
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Calyces | asymmetric, not recessed opposite banner, opening oblique, 4.2–6 mm, villous throughout or proximally glabrous; tube (1.6–)1.8–2.8(–3.1) mm, with 2 or 3 prominent glands between ribs, lobes triangular-aristate, abaxial becoming uncinate, all becoming plumose, laterally gland-spurred. |
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Legumes | 2.3–2.7 mm, villosulous and gland-dotted distally. |
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Seeds | unknown. |
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Principal | leaves 2–4.5 cm; leaflets 7–11, blades obovate to ovate, (4–)5–13(–16) mm. |
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2n | = 14. |
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Dalea scandens var. paucifolia |
Dalea scandens |
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Phenology | Flowering fall–early spring. | |
Habitat | Brushy hillsides, thickets. | |
Elevation | 0–150[–1600] m. (0–500[–5200] ft.) | |
Distribution |
TX; Mexico (Chiapas, Nuevo León, San Luis Potosí, Tamaulipas, Yucatan); West Indies (w Cuba) |
Mexico; Central America; Texas; West Indies |
Discussion | Similar in appearance to Dalea carthagenensis, D. scandens var. paucifolia is widespread and variable. It occurs in the southern Texas coastal plain as far north as Nueces County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 5 (1 in the flora). In addition to var. paucifolia, R. C. Barneby (1977c) recognized four varieties from Mexico to the Caribbean region and Central America. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | D. domingensis var. paucifolia, D. thyrsiflora | Psoralea scandens |
Name authority | (J. M. Coulter) Barneby: Mem. New York Bot. Gard. 27: 527. (1977) | (Miller) R. T. Clausen: Bull. Torrey Bot. Club 73: 83. (1946) |
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