Flora of North America species comparison

obscured by stipules and leaf bases.

prostrate or diffuse, 1–6+ cm underground, minutely strigulose.

erect, 1–4 cm;

stipules 1.5–3 mm, membranous becoming papery;

leaflets 9–15(or 17), blades linear to narrowly elliptic, 1–5 mm, apex obtuse to acute, surfaces strigose;

terminal leaflet often decurrent distally, not jointed to rachis.

1–6.5 cm;

stipules connate-sheathing at least at proximal nodes, often becoming anthocyanic and somewhat enlarged at distal nodes, 3–6 mm, thinly herbaceous becoming papery;

leaflet blades elliptic to oblong, 1.5–8 mm, apex obtuse to retuse, surfaces strigulose, sometimes glabrous or glabrate adaxially.

3–7-flowered, flowers spreading;

axis 0.2–1 cm in fruit;

bracts 1–1.5 mm;

bracteoles 0.

1–5-flowered;

axis 1–3 cm in fruit;

bracts 1.5–4.5 mm;

bracteoles 0.

erect, 0.5–3.5 cm, together with racemes subequal to or ± surpassing leaves.

ascending, (2.5–)3–10 cm.

1–2.5 mm.

1.8–4 mm.

5–6.5 mm;

calyx 2.3–3 mm, strigose, tube 1.5–2 mm, lobes subulate, 0.5–1 mm;

corolla pink-purple or white;

keel 3.7–4.4 mm.

12–20 mm;

calyx 6–6.7 mm, black-strigose to glabrate, tube 3–4.7 mm, lobes triangular-acuminate to linear, 1–2.5 mm;

corolla keel 11.2–13.7 mm.

green with purple mottling, slightly curved, subglobose, 10–17 × 7–11 mm, papery-membranous, strigose.

pale green with purple dots, curved in 0.5–1 spiral, laterally compressed, 30–50 × 50–75 mm, papery-membranous, semitransparent, minutely strigose;

gynophore 4–10 mm.

10–14.

= 22.