Flora of North America species comparison

incurved-ascending to decumbent, strigulose to villosulous.

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

1.5–4 cm;

stipules distinct, 1–4 mm, membranous or herbaceous with membranous margins;

leaflets (7 or)9–15(or 17), blades linear-elliptic, 5–12.5 mm, apex obtuse, surfaces pubescent.

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.

loosely (3 or)4–9-flowered, flowers ascending becoming spreading, ultimately declined;

axis 0.4–3 cm in fruit;

bracts 0.7–1.5 mm;

bracteoles 0.

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

axis 1–14 cm in fruit;

bracts 0.6–4 mm;

bracteoles usually 0.

incurved-ascending, (0.6–)1.4–3.5 cm.

usually incurved-ascending, 2–14 cm.

(1.2–)1.6–4.3 mm.

0.8–3 mm.

6.5–7.5 mm;

calyx campanulate, 4.2–5 mm, gray-strigulose, tube 2.5–3 mm, lobes subulate, 1.4–2 mm;

corolla pink-purple;

banner recurved through 90°;

keel 4.7–6.1 mm, apex bluntly deltate.

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.

deciduous from receptacle, horizontal or declined, green or minutely purple-dotted, becoming stramineous, straight, obliquely ovoid or ovoid-ellipsoid, bladdery-inflated, terete or somewhat obcompressed, 13–26 × 8–16 mm, thin becoming papery-membranous, somewhat lustrous, strigulose, hairs spreading, incumbent or curly;

gynophore to 0.8 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.

10–14.

6–19.