Flora of North America species comparison

erect or ascending, (0–)1–12+ cm underground, villous.

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

(2–)3–12 cm;

stipules distinct, subterranean ones often fully amplexicaul but distinct, 7–15 mm, foliose at distal nodes;

leaflets (5–)7–13(–15), blades elliptic, oblong or lanceolate-elliptic, 10–30(–35) mm, pinnately veined, apex obtuse to rounded, surfaces sparsely villosulous or villous abaxially, glabrous adaxially.

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.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

loosely 1–3(–6)-flowered;

axis 3–13 mm;

bracts 0.7–2 mm;

bracteoles 0.

erect, 3–9.8 cm, usually longer than subtending leaf.

decumbent (in fruit), (1.5–)2–7 cm.

1.5–5 mm.

1–2 mm.

13–19 mm;

calyx campanulate to subcylindric, 7.5–8.8 mm, villosulous, tube 6.3–8 mm, lobes broadly triangular, 0.6–0.8 mm;

corolla yellowish with whitish margins, banner sometimes purple bordered white, keel 13.2–16 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.

green becoming brown, ± straight, ovoid, inflated, 15–21 × 5.5–8 mm, papery-membranous, black-pilose, hairs to 0.5 mm;

stipe 5–7 mm, pubescent.

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.

6–10.

8–17.

= 16.

= 24.