Flora of North America species comparison

ascending to erect, strigulose.

few, weakly ascending, 2–10 cm underground, 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.

(3–)4–9.5 cm;

stipules usually distinct, rarely very obscurely connate, 1.5–5 mm, papery-membranous at proximal nodes, herbaceous at distal nodes;

leaflets (7 or)9–13, blades broadly ovate-oblong or oblong-elliptic, (3–)4–15(–18) mm, apex retuse or emarginate to obcordate, surfaces sparsely strigose or glabrous.

(5–)7–27-flowered;

axis (1–)3.5–28 cm in fruit;

bracts 1–3.5 mm;

bracteoles 0(or 1).

5–12-flowered, flowers spreading to declined;

axis 1–3 cm in fruit;

bracts 1–2 mm;

bracteoles 0–2.

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

incurved-ascending, (2–)3–6(–8) cm.

0.5–2 mm (0.8–3 mm in fruit).

1–2.2 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.

8.8–10.4 mm;

calyx 4–5.9 mm, strigose, tube 2–3 mm, lobes subulate, 1.8–2.9 mm;

corolla whitish, suffused purplish, keel tip maculate;

keel 7.8–9.8 mm.

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.

ascending to spreading, green or purplish becoming stramineous, straight, subsymmetrically ellipsoid or ovoid-ellipsoid, moderately inflated, dorsiventrally compressed, 15–17 × 7–8 mm, semibilocular, thin becoming papery, strigulose;

septum partial, to 1.6 mm wide.

4–8.

16–20.

= 16, 32.

= 24.