Flora of North America species comparison

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

prostrate and radiating, internodes to 0.5–2(–2.5) cm, concealed by stipules or developed, villous-villosulous or glabrate.

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–)5–15(–20) cm;

stipules mostly distinct, broadly ovate or triangular, 2.5–12 mm, submembranous;

leaflets 7–31, blades oblanceolate, obovate, or elliptic, 3–17(–20) mm, apex obtuse or emarginate, surfaces villous-villosulous abaxially, sometimes glabrate adaxially.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

densely (10–)12–20(–25)-flowered, flowers ascending;

axis (1.5–)2–8 cm in fruit;

bracts 2.5–8.5 mm;

bracteoles 0.

erect, 1.5–5.5 cm.

incurved-ascending, prostrate in fruit, (1.5–)3–10 cm.

0.5–2.3 mm.

1.3–3.6 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.

17–23.5 mm;

calyx cylindric to deeply campanulate, 10–15 mm, sparsely villous-villosulous, tube (6.8–)7.5–10.5 mm, lobes lanceolate to subulate, 2.5–5.5 mm;

corolla bright reddish violet or tinged with violet, white, or whitish;

banner incurved 40–50°;

keel 12–15.7 mm.

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

ascending (humistrate), brownish then blackish, ± straight, obliquely ovoid, lanceoloid-ellipsoid, oblong-ellipsoid, or lanceoloid, obcompressed, (17–)20–30 × 7–10 mm, subunilocular, fleshy becoming stiffly leathery or subligneous, glabrous;

septum to 1.7 mm wide.

30–44.

= 24.