Flora of North America species comparison

decumbent to ascending, strigulose.

erect or ascending, strigulose, canescent, cinereous, or greenish cinereous.

(2.5–)4–10 cm;

stipules 1.5–2.5 mm, papery at proximal nodes, herbaceous or with herbaceous tips at distal nodes;

leaflets (5 or)7–13, blades broadly oblong-elliptic to lanceolate-oblong or linear-elliptic, 2–10(–15) mm, apex obtuse to truncate, shallowly retuse, or subacute, surfaces strigulose abaxially, sparsely strigulose or glabrous adaxially.

dimorphic, some unifoliolate distally and reduced to phyllodia, continuous with rachis, 2–10 cm;

stipules distinct throughout, 1–7 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (1 or)3–19, blades linear, oblong, cuneate-oblong, or ovate, (3–)4–20 mm, apex acute, obtuse, truncate or retuse, surfaces strigose;

terminal leaflet decurrent distally, not jointed to rachis.

(3–)6–14-flowered, flowers ascending;

axis (1–)2–8 cm in fruit;

bracts 0.8–2.5 mm;

bracteoles 0–2.

(2–)5–30-flowered, flowers spreading-declined;

axis 3–20 cm in fruit;

bracts 0.5–3.2 mm;

bracteoles 0.

straight, sometimes incurved-ascending, 3–15 cm.

erect or incurved-ascending, (4–)6.5–30 cm.

0.5–2.2 mm.

0.8–2.5 mm.

7–10.5 mm;

calyx short-cylindric, (3.1–)3.6–5.5 mm, strigulose, tube (2.3–)2.8–4 mm, lobes triangular to subulate, 0.4–1.6 mm;

corolla ochroleucous or whitish suffused with lilac;

banner recurved through 45°;

keel (6.3–)7–10 mm, apex triangular and beaklike.

12–19 mm;

calyx purplish, cylindric, 4.5–8 mm, strigose, tube 4–6.7 mm, lobes broadly subulate, 0.6–2.3 mm;

corolla pink-purple;

banner recurved through 35–50°;

keel 9–13 mm, apex bluntly or sharply deltate.

persistent on receptacle until well after maturity, falling while still attached to pedicel, erect, stramineous, straight, linear-oblong, obtusely 3-sided compressed, 10–25 × 2.4–3.3 mm, ± bilocular, thinly fleshy becoming leathery, strigulose;

septum 1–1.4 mm wide;

sessile or subsessile.

pendulous, green or reddish becoming stramineous, straight or gently decurved, oblong to oblanceoloid, strongly compressed, flattened laterally, 19–35 × (3–)3.5–6 mm, stiffly papery, glabrous;

stipe 4–11 mm.

14–23.

14–20.