Flora of North America species comparison

ascending to erect, villous.

erect or ascending, fistulose, glabrous.

(6–)9–17 cm;

stipules reflexed, connate-sheathing at proximal nodes, distinct at distal nodes, 10–22 mm, foliose becoming papery-membranous;

leaflets (7 or)9–15, blades broadly lanceolate- or ovate-oblong or elliptic, 15–60 mm, thin, pinnately veined, apex obtuse, surfaces sparsely villous 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.

10–25(–30)-flowered;

axis 2–5 cm in fruit;

bracts 4–9 mm;

bracteoles 0 or 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, (3.5–)5–14(–19) cm, equaling or shorter than subtending leaf, sometimes exceeding proximal ones, together with racemes usually not longer than distalmost leaves.

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

3–9 mm.

0.9–3.5 mm.

8–13(–14.2) mm;

calyx campanulate, (4.5–)4.9–5.8 mm, glabrous, tube (4.3–)4.9–5.8 mm, lobes deltate (often reduced to shallow crenulations), 0.2–0.7 mm, ciliate;

corolla white or cream, keel 10.3–12.7 mm.

(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.

stramineous, straight, obliquely ellipsoid, bladdery-inflated, 20–28 × 6.5–9.5 mm, papery, translucent, glabrous;

stipe 4.5–7 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.

6–9.

29–40.

= 16.