Flora of North America species comparison

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

indistinctly flexuous (if at all), spreading to prostrate, sparsely 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.

(3–)5–12 cm;

stipules connate-sheathing and papery-membranous at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets 5–11, blades linear, linear-oblanceolate, -elliptic, or filiform, (2–)5–25 mm, apex acute to subacute, surfaces strigulose;

terminal leaflet sometimes 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.

(3–)5–15(–22)-flowered, 1 per leaf axil;

axis (1.5–)2–10 cm in fruit;

bracts 1–2.5 mm;

bracteoles 0–2.

erect, 1.5–5.5 cm.

divaricate and incurved, (2–)4–20 cm.

0.5–2.3 mm.

0.6–1.5 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.

9.4–12.2 mm;

calyx subcylindric to campanulate, 3.5–5 mm, strigulose, hairs black and white, tube 3–4 × 2.3–2.8(–3.1) mm, lobes triangular, 0.6–1 mm;

corolla pinkish red, with darker red veins, keel and wings buff-yellow, banner white-tipped;

banner recurved through 35–45°;

keel incurved through 40–85°, blades longer than claws, 8.2–10 mm, apex obtuse and beaklike.

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

brown or stramineous, sometimes initially mottled, straight or slightly curved, linear-oblong or linear-lanceoloid, strongly laterally compressed, 15–35 × 3–4 mm, thinly fleshy becoming leathery, strigulose or if glabrous then mottled;

stipe (4–)6–14 mm.

13–17.

= 24.