Flora of North America species comparison

ascending to erect, strigulose.

decumbent proximally, erect distally, 2–10 cm underground, often fistulose, sparsely strigulose.

(2–)3–11 cm;

stipules 3–9 mm, papery proximally, herbaceous distally;

leaflets 9–15(or 17), blades elliptic to lanceolate-elliptic or oblong, 1–22(–30) mm, apex obtuse, surfaces strigose abaxially, glabrous or glabrate adaxially.

5–22 cm;

stipules connate-sheathing at proximal nodes, distinct at distal nodes, 3–9 mm;

leaflets 13–21, blades ovate to obovate, lanceolate, or elliptic, 4–24 mm, apex obtuse to retuse, surfaces strigose along veins abaxially, glabrous adaxially.

(5–)7–27-flowered;

axis (1–)3.5–28 cm in fruit;

bracts 1–3.5 mm;

bracteoles 0(or 1).

(15–)20–40-flowered;

axis (4–)10–16 cm in fruit;

bracts 1.5–4 mm;

bracteoles 0–2.

erect or incurved-ascending, (3.5–)5–18 cm, surpassing subtending leaf.

(4–)9–23 cm.

0.5–2 mm (0.8–3 mm in fruit).

0.7–3.5 mm.

(4.1–)5.5–8 mm;

calyx marcescent, 3.3–5.4 mm, strigulose to pilosulous, tube 2.5–3.5 mm, lobes narrowly lanceolate, 0.9–1.6 mm;

corolla blue-purple, pale pink, or whitish;

keel 4–5.7 mm.

(11–)14–18 mm;

calyx 5–6 mm, strigose, tube 4–5 mm, lobes triangular to subulate, 0.5–0.9(–1.2) mm;

corolla ochroleucous;

banner recurved through 25°.

spreading or reflexed, dark when dry, usually somewhat decurved, subsymmetrically or obliquely ovoid-ellipsoid, laterally compressed, (4–)5–12(–13) × (2.3–)2.5–5.5 mm, sub-bilocular, firmly papery, base cuneate, apex shortly cuspidate, strigose-pilosulous;

valves inflexed as hyaline septum (0.2–)0.4–1.2 mm wide;

sessile or subsessile.

erect, ovoid to ellipsoid, obcompressed, inflated (turgid), 12–18 × 8–10(–12) mm, papery, glabrous;

septum to 0.2 mm wide;

stipe slender, 7–15 mm.

4–8.

= 16, 32.