Flora of North America species comparison

erect or ascending, sparsely strigulose.

obsolete (reduced to 1 to several crowns), with persistent thatch of stipules and petioles.

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–)4–10 cm;

stipules 6–10 mm, papery-membranous;

leaflets 7–15, blades obovate-cuneate to broadly oblanceolate or elliptic, (3–)5–14 mm, thick, apex obtuse or subacute, surfaces villous-tomentose.

(3–)5–25-flowered;

axis 2–20 cm in fruit;

bracts 1.5–4 mm;

bracteoles 2.

(3–)5–10-flowered, flowers ascending;

axis 0.5–2.5 cm in fruit;

bracts 5–7 mm;

bracteoles 0.

erect, 3–25 cm.

ascending, (2–)4–10 cm.

0.7–4 mm.

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.

35–41 mm;

calyx cylindric, 18–24 mm, villous, tube (12–)13.5–16 mm, lobes subulate to lanceolate, 3.5–8 mm;

corolla scarlet or crimson;

banner and keel nearly same length, recurved through 20–30°;

keel 35–40 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), color concealed by hairs, incurved, obliquely lanceoloid-ovoid or narrowly ovoid-ellipsoid, obcompressed, 25–40 × 9–12 mm, unilocular, fleshy becoming leathery, densely villous-tomentulose, concealing surface.

34–43.