Flora of North America species comparison

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

erect and incurved-ascending, strigulose.

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.

(2.5–)3–8 cm;

stipules connate at proximal nodes, connate or distinct at distal nodes, 1.5–5.5 mm, papery-membranous;

leaflets (11–)17–25, blades oval-oblong, oblanceolate, narrowly obovate, ovate, or narrowly oblong-elliptic, (3–)4–11 mm, apex obtuse, truncate, or retuse, surfaces strigulose abaxially, glabrous adaxially.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

(10–)15–25(–30)-flowered;

axis (2.5–)6–18(–22) cm in fruit;

bracts 1–2.5 mm;

bracteoles 0.

erect, 1.5–5.5 cm.

erect or incurved, (2–)4–11 cm, together with racemes usually shorter than stems.

0.5–2.3 mm.

0.8–1.8 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.

6.3–7.2 mm;

calyx marcescent, 3.2–4.1 mm, strigulose, hairs white, black, or fuscous, tube 2.1–2.6 mm, lobes subulate or triangular-subulate, 1–1.6 mm;

corolla whitish, sometimes tinged with lavender;

banner abruptly incurved through 100°;

keel 4.6–5.5 mm.

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

stramineous, straight or nearly so, linear-oblong or ellipsoid, obscurely 3-sided compressed, 13–22 × 3.2–4.1 mm, incompletely bilocular, papery, black-strigulose;

valves inflexed as nearly complete septum 0.8–1.5 mm wide;

stipe 2.2–5 mm.

7–13.

= 24.

= 22.