Flora of North America species comparison

erect or ascending, strigulose.

decumbent to ascending, proximal internodes greatly shortened, villosulous.

mostly in sub-basal cluster, (5–)8–20(–28) cm;

stipules connate-sheathing at proximal nodes, sometimes also at distal nodes, often connate at distal nodes, distalmost sometimes distinct, 3–10 mm, scarious becoming fragile;

leaflets (11–)15–27(–31), blades linear to narrowly lanceolate-elliptic or lanceolate-oblong to oblong, 2–25(–38) mm, apex obtuse to acute, surfaces usually strigulose, sometimes glabrescent adaxially.

(3–)5–12 cm;

stipules obscuring proximal internodes, 3–6 mm, papery-membranous at proximal nodes;

leaflet blades lanceolate-oblong, oblong, or oblong-elliptic, 6–22 mm, apex emarginate or retuse, surfaces villosulous, sometimes glabrous adaxially.

(6–)10–28-flowered, flowers nodding;

axis 4–17 cm in fruit;

bracts 2–4.5 mm;

bracteoles 2.

7–15-flowered;

axis 1.5–7.5 cm in fruit;

bracts 1.5–3.3 mm;

bracteoles (0–)2.

erect, 10–33 cm, together with racemes equaling or longer than stems.

incurved-ascending, 4.5–15 cm.

0.8–4.5 mm.

ascending, 1.5–3.3 mm.

(10.8–)11.6–16.4 mm;

calyx campanulate, 5.3–8.6 mm, strigulose-pilosulous, tube 3.2–4.9(–5.8) mm, lobes subulate, 1.6–3.8 mm;

corolla whitish, immaculate;

banner recurved through 90°;

keel (8.9–)9.3–12.6 mm.

13.8–19.3 mm;

calyx 6–9.4 mm, villosulous, tube 4.2–5.5 mm, lobes subulate, 1.7–4 mm;

corolla whitish, drying ochroleucous or yellowish;

keel 9.5–12.3 mm.

brownish, straight or slightly incurved, oblong-ellipsoid, 3-sided obcompressed, 16–27 × 4–7.5 mm, sub-bilocular, fleshy becoming stiffly leathery or woody, glabrous or strigulose;

valves inflexed, septum 0.4–1.3 mm wide;

stipe 3–5(–8) mm.

pendulous (humistrate), brownish stramineous, oblong-ovoid or semi-ovoid, 10–25 × (4–)4.5–12 mm, fleshy becoming leathery or woody, glabrous or loosely strigulose;

stipe 5–12 mm.

23–32.

= 22.