Flora of North America species comparison

prostrate and radiating or with incurved-ascending tips, well developed, flexuous, villous or tomentose.

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

(3–)4–12(–16) cm;

stipules 5–12(–16) mm, submembranous;

leaflets (9–)17–23(–27), blades obovate-cuneate, rhombic-oval, or broadly oblanceolate, (40–)60–160(–200) mm, apex usually acute, subacute, or shortly acuminate, rarely subobtuse, surfaces villous to tomentose.

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.

(5–)8–18-flowered, flowers ascending;

axis (1.5–)2.5–6(–8) cm in fruit;

bracts 4.5–10 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 or incurved-ascending, (2–)3–8 cm.

usually incurved-ascending, 2–14 cm.

(1.3–)1.8–3.3 mm.

0.8–3 mm.

(16.5–)19.5–23 mm;

calyx usually purplish, cylindric or cylindro-campanulate, (9.4–)11.3–16.4 mm, villous, tube (6.2–)8.2–10.2 mm, lobes linear-lanceolate or lanceolate-caudate, 3.1–6.6(–7) mm;

corolla pink-purple;

banner recurved through 40°;

keel (12.7–)14.4–17.2 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.

ascending, stramineous or brownish, ± straight proximally, incurved distally, obliquely ovoid, lanceoloid-ovoid, or oblong-ellipsoid, obcompressed, (13–)15–25(–30) × (5–)7–9.5 mm, unilocular, fleshy becoming stiffly leathery, villous-hirsute or tomentose;

sutures approximate or contiguous within, cross section deeply cordate or subdidymous;

sessile with gynophore (0–)0.7–1.8 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.

22–28(–33).

6–19.

= 22.