Dalea pulchra |
Dalea tenuis |
|
---|---|---|
Santa Catalina prairie-clover |
pinkglobe prairie clover |
|
Habit | Shrubs, relatively erect, stiffly-branching, silky- or velvety-pubescent distally. | |
Stems | 5–10 dm, verruculose distally. |
1.5–4(–5) dm, sparsely glandular-punctate. |
Inflorescences | spikes, densely flowered, obviously involucrate (proximalmost several whorls of bracts subtending rudimentary buds), 11.5–16 mm diam.; axis not visible, 0.4–0.7 cm; bracts deciduous, interfloral ones sometimes held in place by crowded flowers, 2–6.5 mm. |
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 | 0–1 cm. |
2.5–18 cm. |
Stamens | 10, 7.5–9 mm, filaments distinct to 1.8–2.8 mm, anthers 0.6–0.7 mm. |
5, 6–8.5 mm, filaments distinct to 2.5–4.8 mm, anthers 0.8–1 mm. |
Corollas | bicolored, banner cream, reddish in age, epistemonous petals pink-purple; papilionaceous; banner 6–7.5 mm, blade ovate- or deltate-cordate, 2.8–4.2 × 3.4–4.4 mm; epistemonous petals attached proximal to middle of stamen tube; wings 4.1–5 × 2–2.6 mm; keel connate valvately, blades 5.2–6.8 × 3–3.5 mm. |
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 | asymmetric, recessed opposite banner, (4.5–)4.8–7.2 mm, densely pilose; tube 2.4–3.4 mm, hyaline intervals usually with row of inconspicuous blister glands between ribs (or eglandular), lobes triangular-aristate, spurred laterally near proximal end, unequal, abaxial longest. |
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 | 2.5–3 mm, densely pubescent distally, eglandular. |
3.6 mm, glabrous or apically pilosulous, eglandular. |
Seeds | 1.5–1.8 mm. |
apparently unknown. |
Principal | leaves 0.5–1.5 cm; leaflets 5 or 7(or 9), blades obovate to oblanceolate, 1.5–5 mm. |
leaves 1.5–3.5 cm; leaflets 3 or 5, blades linear, 6–15 mm. |
Perennial | herbs, erect, glabrous or sparsely pilosulous. |
|
2n | = 14. |
|
Dalea pulchra |
Dalea tenuis |
|
Phenology | Flowering spring. | Flowering late spring–early summer (fall). |
Habitat | Sandy to gravelly or rocky grasslands, open oak, juniper, or pine woodlands, desert scrub. | Rocky limestone soils. |
Elevation | 900–1400 m. (3000–4600 ft.) | 200–600 m. (700–2000 ft.) |
Distribution |
AZ; NM; Mexico (Chihuahua, Sonora)
|
OK; TX |
Discussion | Plants of Dalea pulchra are attractive in flower. The spikes shatter quickly at anthesis; legumes and seeds are seldom seen. (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 | ||
Synonyms | Petalostemon violaceus var. tenuis, P. tenuis | |
Name authority | Gentry: Madroño 10: 227, plate 14. (1950) | (J. M. Coulter) Shinners: Field & Lab. 17: 84. (1949) |
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