Flora of North America species comparison

prostrate or weakly ascending, 1.5–9+ cm underground, sparsely strigulose.

erect to ascending, with 5–10 well-developed internodes, strigulose-pilosulous.

1–7 cm;

stipules connate-sheathing and papery-membranous throughout, (1.3–)2–5 mm;

leaflets (7 or)9–17, blades elliptic to oblong, 1.5–6 mm, apex emarginate, retuse, or obtuse, surfaces strigulose abaxially, glabrous adaxially.

7–13(–16) cm;

stipules 4–9 mm, papery at proximal nodes, membranous at distal nodes;

leaflets (13–)17–27, blades obovate, oblong, lanceolate-oblong, or broadly elliptic, 6–26 mm, apex retuse or obtuse, surfaces strigulose-pilosulous abaxially, glabrous adaxially.

loosely 1–3(–6)-flowered;

axis 3–13 mm;

bracts 0.7–2 mm;

bracteoles 0.

(4–)7–22-flowered, flowers ascending-spreading;

axis (2–)3–8 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 2.

decumbent (in fruit), (1.5–)2–7 cm.

erect, (4–)10–18 cm, together with racemes shorter than stems.

1–2 mm.

1–5 mm.

10–16 mm;

calyx 4.6–7, black-strigulose, tube 3.4–6 mm, lobes triangular to lanceolate, 1–2.5 mm;

corolla usually pink-purple, rarely white;

banner recurved through 45°;

keel 9–9.7 mm.

15.5–22 mm;

calyx short-cylindric, 6.9–10.3 mm, pilosulous, tube 5.2–8 mm, lobes subulate, 1.6–2.8 mm;

corolla ochroleucous, keel immaculate;

banner recurved through 45°;

keel 11–13.1 mm.

loosely ascending, green, often red-tinged, straight or slightly curved, ovoid, strongly turgid or bladdery, (15–)18–43 × 4.5–12(–15) mm, papery-membranous, black-strigose;

gynophore 0–1 mm.

erect, brown-stramineous, straight or slightly incurved, obliquely ovoid or oblong-ovoid, somewhat dorsiventrally compressed, 13–18 × 4–6 mm, unilocular, fleshy becoming leathery or subligneous, glabrous;

sessile.

8–17.

14–18.

= 24.