Flora of North America species comparison

spreading to ascending, glabrous or glabrate.

decumbent to ascending, 3–13 cm underground, strigulose.

4–12 cm;

stipules 3.5–9.5 mm, papery at proximal nodes, submembranous at distal nodes;

leaflets (11–)15–23, blades broadly oblong, ovate, or obovate to suborbiculate, (4–)6–16(–20) mm, apex retuse or abruptly short-acuminate, surfaces glabrous, sparsely ciliate, abaxially with few hairs on midrib.

1.5–8.5 cm;

stipules connate-sheathing and stiff-papery at proximal nodes, connate or distinct at distal nodes, 3–9 mm;

leaflet blades oblong to elliptic or oblanceolate, some narrowly so, 2–19 mm, apex acute to obtuse or mucronate, surfaces sparsely strigose or glabrous abaxially, glabrous adaxially.

10–25-flowered;

axis (1.5–)2–5 cm in fruit;

bracts 1.7–4 mm;

bracteoles 0.

4–22-flowered;

axis 1–7 cm in fruit;

bracts 1.5–7 mm;

bracteoles 0–2.

erect or incurved-ascending, 5–12 cm.

erect or incurved-ascending, 2–14 cm, shorter or much longer than leaves.

0.6–1.2 mm.

1–4 mm.

10–14 mm;

calyx 5.2–7 mm, sparsely strigulose, tube 3.1–4 mm, lobes subulate, 2.1–3.2 mm;

corolla greenish white, immaculate, often drying cream;

banner recurved through 40–60°;

keel 7.7–10 mm.

18–24 mm;

calyx 9–11.5(–14) mm, strigulose, tube 6.5–8.5 mm, lobes subulate, 1.5–4(–6) mm;

corolla concolorous or keel faintly purplish;

keel 13.6–15.4 mm.

spreading or declined, stramineous or blackish, incurved to 0.5 spiral, lunately or falcately linear-lanceoloid or linear, 3-sided, 14–24 × 2.6–3.6 mm, firmly papery, glabrous;

septum 1.5–2.3 mm wide;

stipe 0.8–1.9 mm.

green, sometimes also purple, becoming brown, incurved to nearly straight, sulcate abaxially, 18–35 × 3–6.5 mm, papery, glabrous;

valves inflexed as complete septum 2–4 mm wide;

stipe 4–9 mm.

10–15.

= 22.