Flora of North America species comparison

erect or ascending, sparsely strigulose.

several, decumbent to ascending, 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.

3.5–10 cm;

stipules 3–8 mm, mostly membranous;

leaflets 11–19, blades obovate, oblong, or oblanceolate, 4–17 mm, apex obtuse or retuse, surfaces strigose abaxially, glabrous adaxially.

(3–)5–25-flowered;

axis 2–20 cm in fruit;

bracts 1.5–4 mm;

bracteoles 2.

subcapitate at early anthesis, 4–14-flowered, flowers spreading-ascending;

axis 0.5–2.7 cm in fruit;

bracts 2–4 mm;

bracteoles 0–2.

erect, 3–25 cm.

incurved-ascending, reclined in fruit, 3–8 cm.

0.7–4 mm.

1–2.5 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.

15–19 mm;

calyx cylindric, 6.4–9.2 mm, strigose, tube 5–7 mm, lobes subulate, 1.4–2.5 mm;

corolla pink-purple with white wing tips, or whitish to ochroleucous and tinged;

keel 9.8–12.7 mm.

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.

ascending (humistrate), stramineous, incurved to ± straight, ellipsoid to oblong, obcompressed, 17–32 × 7–10 mm, subunilocular, wider than high in cross section, woody or stiffly leathery, strigose, hairs ± 1 mm;

stipe to 2 mm.

27–32.

= 22.