Flora of North America species comparison

erect or ascending, sparsely strigulose.

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

(3–)4–12 cm;

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

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or 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.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 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.

(2–)4–11 cm.

divaricate and incurved, (2–)4–20 cm.

0.6–1.5 mm.

0.6–1.5 mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 mm.

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, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

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.

12–16.

13–17.