Flora of North America species comparison

erect or ascending, sparsely strigulose.

prostrate, spreading from root-crown, hirsutulous.

(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.

1–4 cm;

stipules 1–2.2 mm, papery-membranous at proximal nodes, thinly herbaceous at distal nodes;

leaflets 7–13, blades oblong-obovate or ovate-lanceolate, 2–7 mm, apex retuse, surfaces hirsutulous, sometimes glabrous adaxially.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

1–4-flowered, flowers declined;

axis 0–1.5(–2.3) cm in fruit;

bracts 0.6–1 mm;

bracteoles 0.

(2–)4–11 cm.

0.3–2.5(–3.8) cm.

0.6–1.5 mm.

0.8–1 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.

4.2–5.4 mm;

calyx 3–4 mm, hirsutulous, tube 1.6–2.3 mm, lobes lanceolate-subulate, 1.3–2 mm;

corolla whitish, banner veins purple;

banner recurved through 40°;

keel 3.7–4.5 mm, apex bluntly deltate.

glabrous.

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.

dehiscent on plant, declined, stramineous or brownish, gently incurved or incurved through 0.2–0.3 spiral, linear-oblong, 3-sided compressed, 13–18 × 2.8–4.1 mm, thin becoming papery, hirsutulous, hairs curved.

12–16.

12–14.

= 26.