Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

ascending to erect, strigulose.

mostly reduced to phyllodia, few with leaflets, 0.8–10 cm;

stipules connate-sheathing throughout, 2–7 mm, papery-scarious;

leaflets 0(or 3–5), blades (phyllodia) oblanceolate to linear, 4–30 mm, apex acute, mucronate, or spinulose, surfaces strigose;

terminal leaflet often confluent with rachis.

(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.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

(5–)7–27-flowered;

axis (1–)3.5–28 cm in fruit;

bracts 1–3.5 mm;

bracteoles 0(or 1).

erect or ascending, outer ones often prostrate in fruit, 0.4–9 cm.

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

0.3–1.7 mm.

0.5–2 mm (0.8–3 mm in fruit).

5.7–9.5 mm;

calyx 2.6–5 mm, strigose, tube 1.9–3.4 mm, lobes subulate, 0.5–2.5 mm;

corolla pink purplish to ochroleucous or whitish;

banner recurved through 45°;

keel 4–6 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.

erect, pale green tinged purple, with red-mottle, becoming brown or stramineous, straight or slightly curved, lanceoloid to lanceoloid-oblong, 2-sided, laterally compressed, 4–13 × 1.5–3.3 mm, papery, usually strigose, rarely glabrous;

sessile.

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.

4–12.

4–8.

= 24.

= 16, 32.