Flora of North America species comparison

erect or ascending, 4–24 cm underground and cream to stramineous, strigulose-pilose.

prostrate to ascending, strigulose.

unifoliolate distally, reduced to phyllodia, 1.5–6.5(–8) cm;

stipules 10–25 mm, firm, papery at proximal nodes, foliaceous at distal nodes;

leaflet blades (when present), decurrent, closely folded, linear to narrowly oblong, 2–17 mm, apex acute to obtuse, surfaces silvery-strigose;

terminal leaflet decurrent, not jointed to rachis.

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.

8–45-flowered;

axis 2–28 cm in fruit;

bracts 2.5–7 mm;

bracteoles 0–2.

6–15-flowered;

axis (1.5–)2.5–7 cm in fruit;

bracts 0.8–1.8 mm;

bracteoles 0–2.

ascending or erect, 3.5–18 cm.

divaricate and spreading-incurved, 2.5–7 cm.

1–5 mm.

0.8–2.5 mm.

12–19 mm;

calyx 7.2–10.9 mm, pilosulous, tube 4.2–6.6 mm, lobes lanceolate-subulate, 2.7–6 mm;

corolla pink to red-purple with pale or white wing tips;

keel 9.4–14.3 mm.

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.

dehiscent on plant, stramineous, straight to hamately incurved, 14–24 × 2.5–4.8 mm, stiffly papery, strigulose.

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.