Flora of North America species comparison

erect or ascending, sparsely strigulose.

incurved-ascending, diffuse, 1–12 cm underground, 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–)5–10 cm;

stipules connate-sheathing at proximal nodes, distinct or shortly or obscurely connate distally, 2–7 mm, papery proximally, herbaceous distally;

leaflets 11–25, blades oblong-elliptic or obovate, (2.5-)5–14 mm, apex emarginate, surfaces strigulose abaxially, sparsely hairy or glabrous adaxially.

(3–)5–25-flowered;

axis 2–20 cm in fruit;

bracts 1.5–4 mm;

bracteoles 2.

8–20-flowered, flowers spreading, later declined;

axis 2–5 cm in fruit;

bracts 2–4 mm;

bracteoles 0.

erect, 3–25 cm.

4.5–8 cm.

0.7–4 mm.

0.8–3.5 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.

14–18.7 mm;

calyx subcylindric, 7.9–10 mm, strigulose or villosulous, tube 5.8–7.2 mm, lobes subulate, 2–3.5 mm;

corolla pale purple (drying dull lavender);

banner recurved through 45°;

keel 11–14.4 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.

humistrate, spreading, or declined, often red-mottled, subsymmetric, ovoid-acuminate or ovoid-ellipsoid, subterete, bladdery-inflated, 22–28 × 11–16 mm, papery-membranous, translucent, loosely strigulose to villosulous;

stipe 1.5–3 mm.

22–26.

= 22.