Flora of North America species comparison

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

straggling to ascending or erect, mostly branched near base, 1.5–8+ cm underground, 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.

2–10 cm;

stipules distinct throughout, 3–8 mm, papery-membranous at proximal nodes, firm at distal nodes;

leaflets 5–15, blades linear, oblong, or narrowly oblanceolate, 3–20 mm, apex obtuse to retuse, surfaces strigose or, sometimes, glabrate adaxially;

terminal leaflet decurrent distally, not jointed to rachis.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

5–22-flowered, flowers ascending, finally nodding;

axis 2.5–13 cm in fruit;

bracts 0.7–2 mm;

bracteoles 0.

erect, 1.5–5.5 cm.

erect or incurved-ascending, 3–10.5 cm.

0.5–2.3 mm.

0.8–2.2 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.

8.5–12.5 mm;

calyx usually dull purple, campanulate, 3.5–5.5 mm, strigulose, tube 3–4.3 mm, lobes triangular, 0.4–1.5 mm;

corolla pink-purple, wing tips white;

banner recurved through 90–95°;

keel 8–9.8 mm, apex obtuse to subacute, not beaklike.

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

declined, pale green or purplish becoming stramineous, straight or gently decurved, oblong to narrowly oblanceoloid, dorsiventrally compressed in proximal 1/2, laterally compressed distally, 20–35 × 3.3–6 mm, stiffly papery, strigose;

sessile.

21–31.

= 24.