Flora of North America species comparison

erect or ascending, glabrate, sometimes sparsely strigose distally.

erect or ascending, fistulose, glabrous.

3–22 cm;

stipules usually distinct throughout, rarely connate-sheathing at proximal nodes (var. avonensis), 2–7(–9) mm, thinly herbaceous becoming papery-scarious;

leaflets 7–33, blades obovate, elliptic, oblong, lanceolate, or oblanceolate, 3–50 mm, apex obtuse or retuse to acute, surfaces sparsely strigose or glabrescent abaxially, glabrous adaxially.

8–18 cm;

stipules distinct, (2–)3.5–7.5 mm, submembranous;

leaflets (19 or)21–29, blades ovate-oblong to lanceolate or lanceolate-elliptic, (4–)8–21 mm, apex obtuse or truncate, usually apiculate, surfaces sparsely strigose.

8–33-flowered, flowers deflexed;

axis 3–16 cm in fruit;

bracts 1–7 mm;

bracteoles 2.

(13–)18–25-flowered, flowers spreading or weakly ascending;

axis (5–)9–16 cm in fruit;

bracts 1.5–2.5 mm;

bracteoles (0–)2.

erect, 4–26 cm.

erect or incurved-ascending, (6–)12–20 cm.

1–7 mm.

0.9–3.5 mm.

(11–)15–24 mm;

calyx green or yellowish, gibbous, 5.8–14 mm, glabrous or sparsely strigose, tube 4.4–7.5 mm, lobes erect-ascending, subulate, deltate, lanceolate-subulate, lanceolate-attenuate, or triangular-subulate, 0.3–6 mm;

corolla ochroleucous or pale lemon yellow, keel often faintly to definitely maculate (purplish-tipped) or immaculate;

banner recurved through 45°;

keel 11.5–17 mm, apex bluntly rectangular.

(9.5–)12–15 mm;

calyx purplish, campanulate, (4.7–)5–7.2 mm, sparsely strigulose, tube (2.7–)3–4.5 mm, lobes subulate, 1.8–2.7 mm;

corolla whitish, drying ochroleucous;

banner recurved through 45°, 12–15 mm;

keel 8–10.5 mm, apex blunt and narrowly deltate.

firmly attached to receptacle, falling while attached to pedicel, erect to spreading or declined, green or purplish-speckled becoming brown or stramineous, usually straight, ellipsoid, ovoid, cylindroid, obovoid, or subglobose, inflated, 18–42 × 5–25 mm, subunilocular, fleshy becoming leathery-woody, glabrous or puberulent;

septum 0.8–2.3 mm wide;

stipe 0–8 mm.

ascending, pale green and purplish-tinged becoming stramineous, straight or slightly incurved, obliquely semi ovoid-ellipsoid, bladdery-inflated, somewhat obcompressed, (15–)20–28 × (8–)10–15(–18) mm, beak prominent, papery, sparsely strigulose.

40–75(–84).

29–40.