Flora of North America species comparison

decumbent proximally, erect distally, 2–10 cm underground, often fistulose, sparsely strigulose.

several, decumbent to ascending, diffuse, strigulose.

5–22 cm;

stipules connate-sheathing at proximal nodes, distinct at distal nodes, 3–9 mm;

leaflets 13–21, blades ovate to obovate, lanceolate, or elliptic, 4–24 mm, apex obtuse to retuse, surfaces strigose along veins abaxially, glabrous adaxially.

3.5–10 cm;

stipules 3–8 mm, mostly membranous;

leaflets 11–19, blades obovate, oblong, or oblanceolate, 4–17 mm, apex obtuse or retuse, surfaces strigose abaxially, glabrous adaxially.

(15–)20–40-flowered;

axis (4–)10–16 cm in fruit;

bracts 1.5–4 mm;

bracteoles 0–2.

subcapitate at early anthesis, 4–14-flowered, flowers spreading-ascending;

axis 0.5–2.7 cm in fruit;

bracts 2–4 mm;

bracteoles 0–2.

(4–)9–23 cm.

incurved-ascending, reclined in fruit, 3–8 cm.

0.7–3.5 mm.

1–2.5 mm.

(11–)14–18 mm;

calyx 5–6 mm, strigose, tube 4–5 mm, lobes triangular to subulate, 0.5–0.9(–1.2) mm;

corolla ochroleucous;

banner recurved through 25°.

15–19 mm;

calyx cylindric, 6.4–9.2 mm, strigose, tube 5–7 mm, lobes subulate, 1.4–2.5 mm;

corolla pink-purple with white wing tips, or whitish to ochroleucous and tinged;

keel 9.8–12.7 mm.

erect, ovoid to ellipsoid, obcompressed, inflated (turgid), 12–18 × 8–10(–12) mm, papery, glabrous;

septum to 0.2 mm wide;

stipe slender, 7–15 mm.

ascending (humistrate), stramineous, incurved to ± straight, ellipsoid to oblong, obcompressed, 17–32 × 7–10 mm, subunilocular, wider than high in cross section, woody or stiffly leathery, strigose, hairs ± 1 mm;

stipe to 2 mm.

27–32.

= 22.