Flora of North America species comparison

ascending to erect or sprawling, flexuous, (0–)1–8 cm underground, leafless, strigulose, hairs appressed.

prostrate to ascending, strigulose.

2–13 cm;

stipules connate-sheathing and papery at proximal nodes, distinct or obscurely connate subherbaceous or firmly papery at distal nodes, 1–5.5 mm;

leaflets 9–17, blades oblanceolate to linear, 3–20(–25) mm, apex obtuse to retuse, surfaces strigose abaxially, glabrous adaxially.

1.5–4.5 cm;

stipules 1.5–4.5 mm, papery-membranous at proximal nodes, herbaceous at distal nodes;

leaflet blades obovate, oblanceolate, or oblong-obovate, (2–)3–10 mm, apex obtuse to retuse, surfaces strigulose abaxially, glabrous adaxially.

9–27-flowered, flowers ascending to declined;

axis 2–11.5 cm in fruit;

bracts 0.8–2 mm;

bracteoles 0.

6–15-flowered;

axis (1.5–)2.5–7 cm in fruit;

bracts 0.8–1.8 mm;

bracteoles 0–2.

1–6.5 cm.

divaricate and spreading-incurved, 2.5–7 cm.

0.7–3.5 mm.

0.8–2.5 mm.

6.4–8.7 mm;

calyx campanulate, 3.3–5.4 mm, strigose, tube 2.3–3.3 mm, lobes broadly subulate or triangular, 0.8–2.2 mm;

corolla pink-purple;

banner recurved through 90°;

keel 6–7.2 mm, apex triangular and beaklike.

8.6–10.8 mm;

calyx 3.7–5.8 mm, strigose, tube 2.4–3.7 mm, lobes subulate, 1.1–2.4 mm;

corolla keel 8.2–9.6 mm.

spreading to declined, purple-mottled, straight, ovoid, ellipsoid, or subglobose, bladdery-inflated, 17–32 × 12–22 mm, papery, strigose;

sessile.

purplish, gently to strongly incurved to 0.5 spiral, 12–16 × 3.6–5 mm, incompletely bilocular, wider than high in cross section, fleshy becoming stiffly leathery, strigose, hairs ± 1 mm;

septum 0.6–1 mm wide;

stipe 2–5 mm.

21–32.

= 22.