Flora of North America species comparison

erect or ascending, sparsely strigulose.

ascending to erect, diffuse, strigulose.

(3–)4–12 cm;

stipules connate and scarious-papery at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or glabrous adaxially.

1.5–4.5 cm;

stipules distinct, 1.5–3.5 mm, papery at proximal nodes, subherbaceous at distal nodes;

leaflets (7 or)9–15, blades obovate to oblanceolate or elliptic, 2–9 mm, apex obtuse to emarginate, surfaces strigose-pilosulous abaxially, strigose-pilosulous or glabrate adaxially.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

subumbellate, 2–9-flowered, flowers spreading;

axis 0.2–1 cm in fruit;

bracts 1–1.5 mm;

bracteoles 0.

(2–)4–11 cm.

incurved-ascending, 0.7–2.5 cm.

0.6–1.5 mm.

1–1.8 mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 mm.

6.6–8.6 mm;

calyx campanulate, 4.2–5.3 mm, strigulose, tube 2.7–3.5 mm, lobes subulate, 1.1–2.2 mm;

corolla purplish to pink-purple or whitish;

banner recurved through 90–100°;

keel 6.6–7.2 mm, apex narrowly triangular, sometimes beaklike.

stramineous, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

deciduous from receptacle, ascending to declined, red or purple throughout or mottled, straight, ovoid or ellipsoid, bladdery-inflated, 13–29 × 7–17 mm, thin becoming papery, strigose;

gynophore 0.7–1.5 mm.

12–16.

7–22.