Flora of North America species comparison

erect or ascending, strigulose.

decumbent to ascending or erect, 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.

3.5–10 cm;

stipules 1–2.5 mm, thinly herbaceous becoming papery;

leaflets (3–)9–19, blades oblong to linear or oval, 3–13 mm, apex obtuse to retuse, surfaces strigose abaxially, glabrous adaxially.

7–20-flowered, flowers ascending to spreading;

axis (3–)4–13(–15) cm in fruit;

bracts 2–4.5 mm;

bracteoles 2.

9–25-flowered, flowers ascending to declined;

axis 1.5–14(–17) cm in fruit;

bracts 0.8–1.5 mm;

bracteoles 0.

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

ascending, 1.5–7.5 cm.

1–4.5 mm.

0.8–1.5 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.

6.5–8.5 mm;

calyx 3.5–4.2 mm, strigose, tube 2.5–3.5 mm, lobes triangular, 0.7–1.1 mm;

corolla pink-purple with white wing tips;

banner recurved through 50–90°;

keel 5–6 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.

pendulous, stramineous, incurved or straight, oblong, 3-sided compressed, 10–15(–17) × 2.2–3 mm, thinly fleshy becoming papery, strigose;

septum 0.8–1 mm wide;

stipe 1.4–2.5 mm.

15–30.

10–13.

= 22.