Flora of North America species comparison

single or few, decumbent-ascending, glabrous or sparsely strigose.

erect, with several elongated internodes, strigulose.

4.5–11 cm;

stipules 5–10 mm, papery at proximal nodes;

leaflets 11–21(or 23), blades obovate-cuneate, ovate, broadly oblong-elliptic, or suborbiculate, 5–20 mm, apex obtuse or emarginate, surfaces glabrous or glabrate and glaucescent.

5–10 cm;

stipules 7–11 mm, membranous or thinly herbaceous distally;

leaflet blades linear, narrowly oblong, or elliptic, 18–34 mm, apex rounded to retuse, surfaces strigulose abaxially, glabrous adaxially.

10–25-flowered, flowers declined;

axis 3–12 cm in fruit;

bracts 3–6 mm;

bracteoles 2.

(12–)16–30(–35)-flowered;

axis 3–16 cm in fruit;

bracts (1.5–)2.5–9 mm;

bracteoles 0.

incurved-ascending, 3–8.5 cm.

stiffly erect, (3–)4–18(–20) cm, proximal peduncle and raceme much shorter than stem.

0.6–2 mm.

1–2.4 mm, slightly longer in fruit.

12–15 mm;

calyx short-cylindric, 5.9–7.6 mm, strigulose, tube 4.5–5.6 mm, lobes subulate, 1.3–2.5 mm;

corolla reddish purple with white or lilac wing tips;

keel 9.5–10.6 mm.

12–15 mm;

calyx 4.3–6.7 mm, black-strigose, tube 3.5–4.5(–4.8) mm, lobes linear-lanceolate, 1.5–2.5 mm;

keel (7–)7.7–9.1 mm.

spreading-ascending (humistrate), green suffused or dotted red becoming stramineous, straight to incurved, oblong or broadly oblong-ovoid, obcompressed, 15–37 × 8–21 mm, ± bilocular, fleshy becoming papery, stiffly leathery, or subligneous, glabrous;

septum to 3.5 mm wide;

stipe 5–8 mm.

brownish stramineous, (6–)9–15 × 3.5–6.5 mm, papery-membranous, minutely strigose;

valves inflexed as hyaline septum 1.2–2.3 mm;

gynophore 0.4–0.6 mm.

(27–)30–36.