Lespedeza stuevei
Gen. N. Amer. Pl. 2: 107. 1818. (as stüvei)
Herbs. Stems ascending or erect, clustered, slender, 70–150 cm, simple or branched apically, villosulous or strigose. Leaves: stipules subulate to narrowly triangular, 3–5 mm; petiole 7–10 mm, longer than rachis; leaflet blades elliptic to elliptic-oblong, base obtuse, apex obtuse to retuse, apiculate, surfaces appressed-pubescent or subappressed-pilose abaxially, lateral veins often conspicuous abaxially, sparsely appressed-pubescent adaxially; laterals similar to terminal; terminal blade 10–40 × 5–12 mm, length 1.5–2.5(–3) times width. Peduncles shorter than or equal to subtending leaves. Racemes 5–15-flowered, flowers clustered distally, shortly glomerate, flowers chasmogamous and cleistogamous. Pedicels 0.5–2 mm; bracteoles shorter than calyx tube. Flowers: chasmogamous 5–6 mm; calyx 3–4 mm, sericeous or villous, tube 1 mm; lobes 4, lateral narrowly triangular, 2–2.5 mm, adaxial connate proximally, apices acuminate; corolla purple; wings 5.7–6.2 mm; keel 5–5.3 mm. Loments: chasmogamous exserted from calyx, calyx 2/5 loment length, ovate, 4–6 mm, cleistogamous exserted from calyx, ovate, 4–5 mm, sericeous or villous; stipe 0.2 mm. 2n = 20.
Phenology: Flowering summer–fall.
Habitat: Open, dry, often sterile, rocky woodlands, openings, glades, old fields, roadsides, river bottoms, moist pine savannas, on sandy soils.
Elevation: 0–900 m.
Distribution
Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Kans., Ky., La., Md., Mass., Miss., Mo., N.J., N.Y., N.C., Okla., Pa., R.I., S.C., Tenn., Tex., Vt., Va., W.Va.
Discussion
Lespedeza stuevei forms natural hybrids with L. angustifolia, L. frutescens, L. hirta, and L. virginica. Hybrids with L. virginica have been called L. × neglecta (Britton) Mackenzie & Bush and L. stuevei var. angustifolia Britton.
Selected References
None.