Flora of North America species comparison

erect or ascending, usually flexuous and abruptly angled distal to each node, hirsute or hirsutulous.

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

3–10(–11) cm;

stipules lanceolate-attenuate, (1.5–)2.5–8(–9) mm, herbaceous, sometimes papery at proximal nodes;

leaflet blades obovate to elliptic, (3–)5–19 mm, apex acute to obtuse or retuse, surfaces pubescent abaxially, sometimes glabrous adaxially.

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.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

10–25-flowered, flowers declined;

axis 3–12 cm in fruit;

bracts 3–6 mm;

bracteoles 2.

erect, 1.5–5.5 cm.

incurved-ascending, 3–8.5 cm.

0.5–2.3 mm.

0.6–2 mm.

12–15.3 mm;

calyx 9.5–13 mm, hirsute to hirsutulous, tube 7–8.6 mm, lobes subulate to linear-subulate, 2.5–5.5 mm;

corolla bicolored, keel tip maculate.

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.

stramineous, incurved, (20–)25–40 × (4–)5–7(–8) mm, thin becoming papery, glabrous.

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.

(27–)30–36.

= 24.