Flora of North America species comparison

erect or ascending, sparsely strigulose.

diffuse, sparsely 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.

3.5–7 cm;

stipules 1.5–3 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets 7–11, blades linear to linear-elliptic, (5–)8–20 mm, apex obtuse and apiculate, surfaces strigulose abaxially, glabrous adaxially.

(3–)5–25-flowered;

axis 2–20 cm in fruit;

bracts 1.5–4 mm;

bracteoles 2.

10–18-flowered;

axis 3–7 cm in fruit;

bracts 1–1.5 mm;

bracteoles 0.

erect, 3–25 cm.

incurved-ascending, 3–6 cm.

0.7–4 mm.

1.3 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.

6.5–7 mm;

calyx 3–3.3 mm, strigose, tube 2.3–2.5 mm, lobes triangular, 0.7–0.9 mm;

corolla whitish, tinged with lilac;

keel 5.5–5.9 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.

spreading or declined, green or purple-mottled becoming stramineous, ± straight, narrowly and subsymmetrically oblong-ellipsoid, 8–11 × 2.4–2.8 mm, papery, strigulose;

stipe 4–5 mm.

8–10.