Flora of North America species comparison

erect or ascending, sparsely strigulose.

erect or ascending, strigulose.

(3–)4–12 cm;

stipules connate and scarious-papery at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or glabrous adaxially.

5–15(–17) cm;

stipules connate-sheathing and bidentate at proximal nodes, distinct at distal nodes, 2.5–6 mm, scarious;

leaflet blades linear- or linear-oblong, 3–35 mm, apex acute or obtuse and mucronate, surfaces glabrous abaxially, glabrous or glabrate adaxially;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

35–60-flowered;

axis 4–8(–14) cm in fruit;

bracts 3–8 mm;

bracteoles 0–2.

(2–)4–11 cm.

erect, 9–17(–22) cm.

0.6–1.5 mm.

2–5 mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 mm.

14–17 mm;

calyx contracted apically, 10–11 mm, hirsute, hairs long, straight, tube to 14 mm, enclosing fruit, lobes subulate, 2–3 mm;

corolla keel 11.2–13 mm.

stramineous, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

deciduous within accrescent calyx, straight or slightly incurved, 6–7.5 × 3.5–4 mm, thinly fleshy becoming leathery, glabrous;

gynophore 1 mm.

12–16.

= 24.