Flora of North America species comparison

erect or ascending, sparsely strigulose.

obscured by marcescent leaf bases and stipules.

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.

reduced to phyllodia, 0.4–2.5 cm;

stipules connate-sheathing, 3–6 mm, membranous;

phyllodia oblanceolate or spatulate, 4–25 mm, apex acute or apiculate, surfaces strigose.

(3–)5–25-flowered;

axis 2–20 cm in fruit;

bracts 1.5–4 mm;

bracteoles 2.

1–4-flowered;

axis 0–0.5 cm in fruit;

bracts 0.4–1.8 mm.

erect, 3–25 cm.

erect or ascending, (0.5–)1–3 cm.

0.7–4 mm.

0.5–1.8 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.

10.6–12 mm;

calyx 4.5–7 mm, prominently veined in fruit, strigose, tube 3–4.1 mm, lobes broadly subulate, 1.3–3 mm;

corolla pink-purple;

banner recurved through 45°;

keel 7–9.6 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, green or red-mottled becoming stramineous or brown, slightly curved, narrowly ovoid-ellipsoid to lanceoloid-ellipsoid, laterally compressed, 6–13(–15) × 2–5 mm, papery, glabrous or glabrate;

sessile.

11–14.