Flora of North America species comparison

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

erect to spreading or ascending, sparsely hirsute-hirsutulous.

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.

2–8 cm;

stipules (2–)2.5–7 mm, papery-scarious proximally, herbaceous distally;

leaflet blades oblong-ovate, oblong-obovate, or obovate-cuneate, (3–)5–15 mm, apex retuse, surfaces hirsute-hirsutulous abaxially, glabrous adaxially.

(15–)20–40-flowered;

axis (4–)10–16 cm in fruit;

bracts 1.5–4 mm;

bracteoles 0–2.

3–10-flowered;

axis 0.4–1 cm in fruit;

bracts 0.5–1.1 mm;

bracteoles 0.

(4–)9–23 cm.

erect or incurved-ascending, (3–)4–8.5 cm.

0.7–3.5 mm.

0.5–1.4 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°.

4.2–5.2 mm;

calyx 1.9–2.7 mm, white pilosulous, tube 1.1–1.5 mm, lobes subulate, 0.7–1.2 mm;

corolla keel 4.3–5 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.

green, usually with purple spots, becoming brownish, 5.5–9 × 2.5–5.5 mm, stiffly papery, glabrous;

gynophore 0.1–0.5 mm.