Flora of North America species comparison

prostrate or weakly ascending, diffuse, modestly flexuous, 1–3 cm underground, strigulose to subvillosulous.

decumbent to erect, sterile branches forming tuft of sub-basal leaves, strigose, strigulose, or villous.

(1.5–)2–4 cm;

stipules connate and papery-scarious at proximal nodes, distinct and membranous at distal nodes, 1.5–3 mm;

leaflets 9–15, blades oblong-ovate or oblong-cuneate, 3–9 mm, apex emarginate, surfaces densely strigulose to subvillosulous abaxially, glabrate adaxially.

1.5–20 cm;

stipules connate-sheathing (bidentate) at proximal nodes, shortly connate or distinct at distal nodes, 1.5–9 mm, papery-membranous throughout or, sometimes, herbaceous at distal nodes;

leaflets 3–21, blades linear, oblong, elliptic, linear-elliptic, linear-oblanceolate, lanceolate, oblong-elliptic, elliptic-lanceolate, or, rarely, filiform-subulate (distally), 2–30(–42) × 0.5–7 mm, apex acute, obtuse, acuminate, apiculate, or, rarely, retuse, surfaces strigose, glabrescent, or glabrous abaxially, glabrous, glabrescent, or sparsely hairy adaxially;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

(3–)7–14-flowered, flowers initially spreading, later declined;

axis (1–)2–6.5 cm in fruit;

bracts 0.8–1.4 mm;

bracteoles 0.

3–19(–24)-flowered, flowers spreading-declined;

axis 1–14 cm in fruit;

bracts 0.6–4 mm;

bracteoles usually 0.

divaricate and ascending, (0.8–)1.5–3.5 cm, together with racemes shorter than stems.

usually incurved-ascending, 2–14 cm.

0.5 mm.

0.8–3 mm.

5.6–5.8 mm;

calyx campanulate or obconic-campanulate, 2.2–2.6 mm, strigulose, hairs white and fuscous, sometimes also black, tube 1.4–1.9 mm, lobes subulate, 0.5–0.7 mm;

corolla whitish tinged with lilac;

banner recurved through 45°;

keel 3.5–3.7 mm.

5.3–10.6 mm;

calyx (2.3–)2.4–6 mm, strigose, tube 1.7–4.2 mm, lobes subulate, 0.5–2.6 mm;

corolla lilac, pink-purple, ochroleucous, or whitish, often suffused, lined, or veined with purple;

banner recurved through 40–90°;

keel 5.9–10.7(–11.4) mm, apex beaklike.

pendulous, green with purple speckles becoming stramineous, slightly decurved, ellipsoid or lanceoloid-ellipsoid, obcompressed, dehiscent while attached, 6–9.5 × (2.5–)3–3.3 mm, papery, white-villosulous;

valves inflexed, if at all, as hyaline septum 0–0.1 mm wide;

stipe 0.4 mm.

declined-pendulous; green, sometimes with purple speckles, becoming brown or stramineous, straight or nearly so, linear, linear-oblong, linear-ellipsoid, or oblanceoloid, laterally compressed, bicarinate by sutures, 11–25 × (1.2–)2–4 mm, papery, usually strigulose, villosulous, or glabrous, rarely with few hairs;

stipe 0–1 mm.

4–6.

6–19.