Flora of North America species comparison

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

prostrate, when developed, 0–2.5 cm, mostly obscured by stipules, 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.

1.5–9 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, 2–5 cm, membranous;

leaflets 5–17, blades elliptic, oblanceolate, or obovate, 3–12 mm, apex acute to obtuse, surfaces strigose.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

4–13-flowered, flowers ascending or spreading;

axis 1.5–8 cm in fruit;

bracts 2–4.5 mm;

bracteoles 0.

erect, 1.5–5.5 cm.

erect, 2–9 cm.

0.5–2.3 mm.

0.5–2 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.

12–16 mm;

calyx cylindric, 6–8.5 mm, strigose, tube 4.5–6 mm, lobes subulate, 1.2–2.5 mm;

corolla purplish;

keel 9.5–12.5 mm.

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

declined to deflexed, green, usually red-mottled or -spotted, becoming stramineous, lunately incurved, obliquely ovoid or lanceoloid-ellipsoid, dorsiventrally compressed, 10–14 × 3.5–6.5 mm, unilocular or subunilocular, thickly papery, hirsute, hairs lustrous;

sessile, gynophore 0.3–0.8 mm.

20.

= 24.