Flora of North America species comparison

erect or ascending, strigulose.

decumbent, tips ascending, strigulose.

mostly in sub-basal cluster, (6–)10–30 cm;

stipules connate-sheathing at proximal nodes, mostly connate at distal nodes, 3–10(–11) mm, scarious throughout;

leaflets (9–)13–25(–31), blades linear-oblong, linear-elliptic, lanceolate, or subfiliform, 3–23 mm, apex obtuse, acute, or retuse, surfaces sparsely strigulose abaxially, usually glabrous adaxially;

terminal leaflet sometimes continuous with rachis.

(1.5–)3–7 cm;

stipules connate at proximal nodes, connate to 1/2 their length at distal nodes, 1.5–4 mm, membranous becoming papery;

leaflets 9–19, blades oblong-obovate, elliptic, or linear-oblong, 2–10 mm, apex obtuse or emarginate, surfaces pubescent abaxially, glabrate adaxially.

7–20-flowered, flowers ascending to spreading;

axis (3–)4–13(–15) cm in fruit;

bracts 2–4.5 mm;

bracteoles 2.

(5–)7–25-flowered;

axis 1.5–9 cm in fruit;

bracts 0.5–1.5 mm;

bracteoles 0.

erect, sometimes divergent in fruit, 5–33 cm, together with racemes longer than stems.

incurved-ascending, 3–10 cm.

1–4.5 mm.

0.5–1.5 mm.

15–25.5 mm;

calyx campanulate, cylindric, or subcylindric, 7–12 mm, strigulose-pilosulous, tube 4.9–9.2 mm, lobes subulate, 1.3–3(–4) mm;

corolla whitish with keel tip purple, sometimes banner and wings also purple-tipped, sometimes purple throughout;

banner recurved through 30–45°, oblanceolate or broadly rhombic-oblanceolate, 16–25.5 mm, apex emarginate;

keel 11.6–17.5 mm.

5.2–7.7 mm;

calyx marcescent, 3.5–4.7 mm, strigulose, hairs white, sometimes also black, tube 2–3.2 mm, lobes subulate, 1–1.6 mm;

corolla whitish tinged with dull lilac;

banner recurved through 65–90°;

keel 5–6.5 mm.

stramineous, straight or slightly incurved, oblong-ellipsoid to narrowly oblong-ovoid, obcompressed, 12–25 × 4.3–8 mm, sub-bilocular, fleshy becoming leathery or subligneous, glabrous or strigulose;

septum to 1.4 mm wide;

sessile.

persisting and dehiscent on plant, green, sometimes also purple, becoming stramineous, strongly curved downward, linear-oblong or linear-ellipsoid, bluntly 3-sided compressed, 13–25 × 2.3–3 mm, incompletely bilocular, papery, finely strigulose;

valves inflexed as nearly complete septum 0.7–1.5 mm wide;

stipe 0–0.7 mm.

15–30.

12–18.

= 22.