Flora of North America species comparison

single or few, usually decumbent to ascending, rarely erect, villous-hirsutulous.

erect or ascending, 0–2.5 cm underground, sparsely villosulous or glabrous proximally.

1.5–7 cm;

stipules distinct, 1–4 mm, subherbaceous becoming papery;

leaflets (5–)9–15, blades oblanceolate to oblong or obovate, 2–13 mm, apex retuse to truncate or obtuse, surfaces loosely villous, sometimes glabrate adaxially.

(3–)4–12 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, (1.5–)2–6 mm, scarious;

leaflet blades narrowly oblong-elliptic, oblanceolate, linear-oblong, or oblong-obovate, (3–)5–20(–23) mm, apex acute to subobtuse or retuse, surfaces villosulous.

2–7-flowered, flowers ascending-spreading;

axis 0.3–2.5 cm in fruit;

bracts 1–2.5 mm;

bracteoles 0.

6–12(–14)-flowered;

axis 2.5–10 cm in fruit;

bracts 1.3–4.5 mm;

bracteoles 0–2.

incurved-ascending, 0.5–4 cm.

erect or narrowly ascending, (4.5–)6–15 cm.

0.8–2 mm.

1–3.5 mm.

5.2–8 mm;

calyx campanulate, 3.3–6.2 mm, hirsutulous, tube 1.8–2.5 mm, lobes subulate, 1.8–3.5 mm;

corolla usually pink-purple, rarely ochroleucous and tinged with purple;

banner recurved 50–70°;

keel (5–)5.4–6.5 mm, apex narrowly triangular, sometimes slightly beaklike.

15.4–18.8 mm;

calyx 8.8–11.8 mm, strigulose, tube 6.3–7.5 mm, lobes lanceolate-subulate, 2.5–4.3 mm;

corolla white or lilac-tinged, drying ochroleucous;

keel (9.8–)10–12.4 mm.

spreading-declined, green or purple-cheeked or -dotted, becoming brownish or stramineous, lunately incurved or hooked, obliquely ovoid, turgid or somewhat inflated, 9–17(–20) × (4–)5–8(–11) mm, thinly fleshy becoming leathery or stiffly papery, white-villous or hirsute, hairs spreading, curved, 0.7–2.2 mm.

ascending to divaricately spreading or somewhat declined, set at angle to stipe, stramineous or brownish, straight or slightly incurved, inflated, scarcely bladdery, (10–)13–24(–32) × 6–12 mm, thinly fleshy, glabrous;

stipe (4–)5–12 mm.

10–19.

= 24.

= 22.