Flora of North America species comparison

erect or ascending, sparsely strigulose.

ascending or sprawling, 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.

(6–)8–20 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, 10–20 mm, thinly herbaceous or foliaceous becoming papery;

leaflet blades ovate to oblong or broadly elliptic, 10–45(–60) 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.

10–20-flowered;

axis (1–)1.5–3.5 cm in fruit;

bracts 2–6 mm;

bracteoles 0.

erect, 3–25 cm.

1.5–8 cm.

0.7–4 mm.

0.5–3 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.

11.5–13.5 mm;

calyx 5.2–6.5 mm, glabrate to sparsely strigulose, tube 3.5–4.2 mm, lobes subulate, 1.2–2.9 mm;

corolla keel 9.5–11 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.

brownish stramineous, (27–)30–37(–40) × 4–5 mm, fleshy becoming leathery, minutely strigulose;

stipe 2–3.5 mm.

= 16.