Flora of North America species comparison

erect or ascending, sparsely strigulose.

decumbent to ascending, sparsely strigose.

(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.

5–8 cm;

stipules distinct throughout, 1.7–3.3 mm;

leaflets 15–23, blades obovate-cuneate or oblong-oblanceolate, 7–16 mm, apex mostly truncate-retuse to obtuse, surfaces sparsely pubescent abaxially, nearly glabrous adaxially.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

7–20-flowered, flowers ascending at anthesis;

axis 1.5–4.5 cm in fruit;

bracts 1.4–2.7 mm;

bracteoles usually 2.

(2–)4–11 cm.

6–10 cm.

0.6–1.5 mm.

2 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.

14–19 mm;

calyx campanulate to subcylindric, 7.5–8.8 mm, tube 6–7.3 mm, teeth 1.5 mm, acuminate;

corolla creamy-white, often tinged rose or lavender, especially on keel tip;

banner recurved through 40–50°.

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.

spreading or pendulous, falcately oblong, laterally compressed, 28–37 × 3–3.5 mm, bicarinate, unilocular, sparsely white-strigose;

stipe 6–9 mm.

12–16.

unknown.