Flora of North America species comparison

erect or ascending, strigulose to pilose, cinereous or canescent.

prostrate to decumbent-ascending, 5–14 cm underground, strigulose.

3–10(–14) cm;

stipules 2.5–10 mm, scarious;

leaflet blades linear, linear-oblanceolate, or narrowly elliptic, (2–)4–27(–45) mm, apex acute to subobtuse, surfaces strigose abaxially, glabrous adaxially.

1.5–4.5 cm;

stipules distinct throughout, 2–6 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets 7–15, blades oblong to narrowly elliptic, 6–23 mm, apex retuse to truncate, surfaces strigose abaxially, glabrate adaxially.

9–47-flowered;

axis (2–)3–15(–20) cm in fruit;

bracts (2–)3–7 mm;

bracteoles 0–2.

6–20-flowered, flowers nodding;

axis 1.5–8.5 cm in fruit;

bracts 0.6–1.2 mm;

bracteoles 1.

erect, 1–4(–5.5) cm, much shorter than subtending leaves.

divaricate and incurved-ascending, 2–6.5 cm.

0.3–1.2 mm.

1.5–2.5 mm.

13–17.2 mm;

calyx (7.2–)7.5–11 mm, strigulose to pilose, tube (5.4–)5.7–7.4 mm, lobes lanceolate-subulate, (1.5–)1.8–3.6 mm;

corolla banner recurved through 45°;

keel 10.4–12.8 mm.

8–9 mm;

calyx campanulate, 3.8–5.3 mm, strigose, tube 3.3–4 mm, lobes triangular, 0.5–1.3 mm;

corolla dull pink-purple, or lilac to vivid reddish purple;

banner recurved through 90–100°;

keel 8–8.5 mm, apex sharply deltate.

brown-stramineous, gently incurved, dorsiventrally compressed or 3-sided at dehiscence, carinate by ventral suture, beak laterally compressed, 9–12 × 3.3–5 mm, papery, strigose or glabrous;

stipe 0.7–2.5 mm.

declined or pendulous, green or faintly red-dotted becoming stramineous, usually straight or incurved, rarely decurved, narrowly ellipsoid, 3-sided compressed, 13–30 × 3–4.8 mm, semibilocular, papery, strigose;

valves inflexed, septum 0.3–0.6 mm;

stipe 0–0.8 mm.

16 or 17.

= 22.