Flora of North America species comparison

erect or ascending, usually flexuous and abruptly angled distal to each node, hirsute or hirsutulous.

decumbent to ascending or erect, usually strigulose, rarely pilose-pilosulous, usually cinereous or canescent, rarely greenish.

3–10(–11) cm;

stipules lanceolate-attenuate, (1.5–)2.5–8(–9) mm, herbaceous, sometimes papery at proximal nodes;

leaflet blades obovate to elliptic, (3–)5–19 mm, apex acute to obtuse or retuse, surfaces pubescent abaxially, sometimes glabrous adaxially.

3–15(–18) cm;

stipules connate, 2–10 mm, papery-scarious;

leaflets (5–)9–21, blades linear, narrowly oblong, or oblanceolate to ovate, 3–31 mm, apex obtuse to acute, surfaces silvery-strigose, rarely greenish, or glabrate or glabrous adaxially.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

6–30-flowered;

axis 2–15 cm in fruit;

bracts 1.5–5 mm;

bracteoles 0.

erect, 1.5–5.5 cm.

erect or ascending, (3–)5–23 cm, surpassing subtending leaves.

0.5–2.3 mm.

0.7–1.2 mm.

12–15.3 mm;

calyx 9.5–13 mm, hirsute to hirsutulous, tube 7–8.6 mm, lobes subulate to linear-subulate, 2.5–5.5 mm;

corolla bicolored, keel tip maculate.

9–17.8 mm;

calyx campanulate, 4–10 mm, pilosulous, strigulose, or hirsute, tube 3–5.2 mm, lobes broadly subulate to narrowly triangular, 2–6 mm;

corolla usually cream, lemon yellow, white, stramineous, reddish lilac, reddish purple, blue, rarely pink-purple or suffused with pale pink or purple;

banner recurved through 45(–90)°;

keel 6.5–10 mm.

stramineous, incurved, (20–)25–40 × (4–)5–7(–8) mm, thin becoming papery, glabrous.

erect, stramineous, straight, oblong, dorsiventrally compressed, 7–13 × 3.5–5.5 mm, somewhat fleshy becoming leathery or stiffly papery, strigose.

(6–)8–17.

= 24.