Flora of North America species comparison

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

very slender, prostrate-spreading, strigulose.

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.

(1–)2–11.5(–15) cm;

stipules connate-sheathing and papery at proximal nodes, connate or distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflet blades linear-filiform to narrowly oblong, involute or conduplicate, 5–27 mm, apex acute to obtuse, surfaces strigose abaxially, glabrous adaxially.

2–7-flowered, flowers ascending-spreading;

axis 0.3–2.5 cm in fruit;

bracts 1–2.5 mm;

bracteoles 0.

of subradical inflorescences 1(or 2)-flowered, others 2–5(–7)-flowered;

axis filiform, 0.5–6(–8) cm in fruit;

bracts 1–2 mm;

bracteoles 2.

incurved-ascending, 0.5–4 cm.

pendulous or ascending, humistrate in fruit, 2.5–14(–17) cm (early subradical, shorter than leaves, later much surpassing leaves).

0.8–2 mm.

1.2–4 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.

4–6(–7) mm;

calyx 2.7–4 mm, black-strigose, tube 1.8–2.5 mm, lobes subulate, 0.9–2 mm;

corolla keel 3.5–4.5 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.

greenish or purple-dotted becoming brownish stramineous, 10–18 × 3.5–5 mm, thin becoming papery, strigose;

septum 1.2–2 mm wide;

stipe 0–1 mm.

10–19.

= 24.

= 22.