Flora of North America species comparison

prostrate to ascending, strigulose.

only tips produced aboveground, 0–5 cm, 2–30 cm underground, often with marcescent leaf rachises, densely canescent-hirsutulous.

(1.5–)3–14(–14.5) cm;

stipules distinct, 1–5 mm, papery-scarious at proximal nodes, subherbaceous at distal nodes;

leaflets 7–15, blades oblong-oblanceolate, elliptic, oval-oblong, linear-oblong, linear-elliptic, or linear-setaceous, 1.5–16 mm, apex obtuse, retuse, subacute, or emarginate, surfaces strigulose abaxially, strigulose or glabrous adaxially;

terminal leaflet sometimes decurrent distally, jointed to or continuous with rachis.

1–4 cm;

stipules ± obscuring stem, 2–4 mm, papery-scarious;

leaflet blades ovate to obovate or oblanceolate, 1–7 mm, apex obtuse, mucronate, or emarginate, surfaces pilosulous.

(2–)5–18-flowered, flowers nodding;

axis (1.5–)3–17 cm in fruit;

bracts (0.8–)1–2.5 mm;

bracteoles usually 0.

2–5-flowered;

axis 0.2–1 cm in fruit;

bracts 1.5–2.5 mm;

bracteoles 0.

incurved-ascending, (1.5–)3–16.5 cm.

ascending, 1–3 cm.

(1.5–)2–6.5 mm.

1–1.5 mm.

6.3–13.4 mm;

calyx 3–7.6 mm, strigulose, tube 2.3–5.6 mm, lobes subulate, 0.7–2.6 mm;

corolla whitish or dirty white, sometimes veined, tipped, margined, or suffused with purple, or faintly tinged lavender;

keel 6–10 mm.

9–12 mm;

calyx 5.5–7 mm, hirsutulous, tube 3–4 mm, lobes subulate, 1.8–3 mm;

corolla pink-purple or whitish, usually suffused with purple, keel tip purple;

keel not concealing style, 9–11 mm, apex long-attenuate and beaklike.

pendulous, green, purplish, or mottled, decurved or straight, linear-oblong, linear-oblanceoloid, or narrowly ellipsoid, compressed, ventral suture convex in profile or at least beak declined from body, 10–22 × 2.3–4.3 mm, unilocular or bilocular, thinly fleshy becoming papery or leathery, strigulose;

septum (0 or)0.6–2.7 mm wide;

stipe 0–2 mm, concealed within calyx when present.

mottled, straight, 12–18 × 8–15 mm, papery, spreading-hairy.

10–29.