Dalea reverchonii
Field & Lab. 17: 84. 1949. (as reverchoni)
Perennial herbs, decumbent, pilosulous. Stems 1.5–2 dm, eglandular. Principal leaves 2–3 cm; leaflets 7 or 9, blades linear-oblong or -oblanceolate, 5–12 mm. Peduncles 0–1 cm. Inflorescences spikes, loosely flowered, not involucrate, 8–10 mm diam.; axis visible, 1.5–5 cm; bracts deciduous, 2.5 mm. Calyces subsymmetric, 4.2–4.6 mm, silky-pilosulous to -tomentulose, hairs subappressed; tube 1.9–2.1 mm, with ribs leading to sinuses stronger than those leading to lobes, tube appearing bluntly 5-angled, with 0 glands between ribs, lobes lanceolate-acuminate or adaxial pair triangular-acuminate. Corollas magenta-purple; not conventionally papilionaceous; banner 4.3–4.6 mm, blade ovate to elliptic, 2.1–2.3 × 1.8–2 mm; epistemonous petals attached at separation of filaments, blades 2.6–3 × 1.1–1.3 mm. Stamens 5, 6.1–7.2 mm, filaments distinct to 3.3–4 mm, anthers 0.7–0.9 mm. Legumes 3.1–3.5 mm, pilosulous and gland-dotted distally. Seeds 1.3 mm.
Phenology: Flowering spring–early summer (fall).
Habitat: Rocky limestone soils.
Elevation: ca. 400 m.
Distribution
Tex.
Discussion
Dalea reverchonii occurs in Hood, Parker, and Wise counties in north-central Texas. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.
Selected References
None.