Flora of North America species comparison

erect or ascending, sparsely strigulose.

ascending to erect, diffuse, strigulose.

2–15 cm;

stipules 1.5–5 mm, papery-scarious at proximal nodes, subherbaceous at distal nodes;

leaflet blades linear, linear-oblanceolate, or filiform, 5–30 mm, apex acute, subacute, or, often, mucronate, surfaces silvery-canescent, more densely so adaxially;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

1.5–4.5 cm;

stipules distinct, 1.5–3.5 mm, papery at proximal nodes, subherbaceous at distal nodes;

leaflets (7 or)9–15, blades obovate to oblanceolate or elliptic, 2–9 mm, apex obtuse to emarginate, surfaces strigose-pilosulous abaxially, strigose-pilosulous or glabrate adaxially.

(3–)5–25-flowered;

axis 2–20 cm in fruit;

bracts 1.5–4 mm;

bracteoles 2.

subumbellate, 2–9-flowered, flowers spreading;

axis 0.2–1 cm in fruit;

bracts 1–1.5 mm;

bracteoles 0.

erect, 3–25 cm.

incurved-ascending, 0.7–2.5 cm.

0.7–4 mm.

1–1.8 mm.

14.5–26 mm;

calyx 7.9–13.7 mm, strigulose, tube 6.5–10 mm, lobes lanceolate-subulate, 1.5–4.3 mm;

corolla keel 12.8–18.5 mm.

6.6–8.6 mm;

calyx campanulate, 4.2–5.3 mm, strigulose, tube 2.7–3.5 mm, lobes subulate, 1.1–2.2 mm;

corolla purplish to pink-purple or whitish;

banner recurved through 90–100°;

keel 6.6–7.2 mm, apex narrowly triangular, sometimes beaklike.

firmly attached to receptacle, falling while still attached to pedicel, stramineous, straight or slightly incurved, obliquely ovoid or plumply oblong, 15–31 × 5–12 mm, fleshy becoming woody, glabrous;

septum (0–)1–2.5(–4) mm wide.

deciduous from receptacle, ascending to declined, red or purple throughout or mottled, straight, ovoid or ellipsoid, bladdery-inflated, 13–29 × 7–17 mm, thin becoming papery, strigose;

gynophore 0.7–1.5 mm.

7–22.