Flora of North America species comparison

decumbent-ascending to erect, strigulose.

ascending to erect, flexuous, diffusely interbranched, 6–16 cm underground, proximalmost epigeous internodes the shortest, clumps to 1+ m wide, strigulose.

(2–)4–17 cm;

stipules 4–13(–16) mm, papery-scarious, pallid;

leaflet blades oblong to elliptic, (4–)7–27(–33) mm, apex acute or obtuse, surfaces sparsely to moderately strigose, sometimes glabrous adaxially.

1.5–6.5 cm, unifoliolate throughout or distally, terminal leaflet slightly expanded and confluent with filiform rachis;

stipules distinct throughout, 1–5 mm, membranous becoming papery at proximal nodes, herbaceous at distal nodes;

leaflets (1 or)3–9, blades linear-oblong to linear-elliptic or linear, 2–11 mm, apex acute, surfaces strigose;

terminal leaflet decurrent distally, not jointed to rachis.

(7–)10–50-flowered;

axis (0.6–)1–9(–13) cm in fruit;

bracts 2–8 mm;

bracteoles 0.

3–17-flowered, flowers ascending;

axis 5–40(–42) cm in fruit;

bracts 0.5–1.1 mm;

bracteoles 0.

erect or incurved-ascending, (3–)4–14(–16.5) cm.

incurved-ascending, 6–19 cm.

to 0.8 mm.

1.5–5.5 mm.

11.5–19.5 mm;

calyx [4.8–]5.6–10.5 mm, strigulose, tube [3–]4–7 × 2–3.2 mm, lobes subulate or subulate-setaceous, 0.4–4.2 mm;

corolla keel 8–15 mm.

8–10.5 mm;

calyx campanulate, 2.5–4.6 mm, strigose, tube 1.5–3.7 mm, lobes triangular, 0.5–1.9 mm;

corolla pink-purple;

banner recurved through 50°;

keel 7.4 mm, apex obtuse to subacute, not beaklike.

stramineous, ovoid-, oblong-, or lanceoloid-ellipsoid, or narrowly oblong, [5.5–]6–12 × 2.3–4 mm, thin becoming papery, strigulose;

stipe 0–1.8 mm.

pendulous, stramineous, straight or decurved, narrowly ellipsoid, dorsiventrally or laterally compressed or subterete, 17–28 × 3.8 mm, papery, strigose or glabrous;

stipe 2.5–5 mm.

10–12.