Flora of North America species comparison

erect or ascending, sparsely strigulose.

decumbent to ascending, proximal internodes greatly shortened, villosulous.

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–)5–12 cm;

stipules obscuring proximal internodes, 3–6 mm, papery-membranous at proximal nodes;

leaflet blades lanceolate-oblong, oblong, or oblong-elliptic, 6–22 mm, apex emarginate or retuse, surfaces villosulous, sometimes glabrous adaxially.

(3–)5–25-flowered;

axis 2–20 cm in fruit;

bracts 1.5–4 mm;

bracteoles 2.

7–15-flowered;

axis 1.5–7.5 cm in fruit;

bracts 1.5–3.3 mm;

bracteoles (0–)2.

erect, 3–25 cm.

incurved-ascending, 4.5–15 cm.

0.7–4 mm.

ascending, 1.5–3.3 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.

13.8–19.3 mm;

calyx 6–9.4 mm, villosulous, tube 4.2–5.5 mm, lobes subulate, 1.7–4 mm;

corolla whitish, drying ochroleucous or yellowish;

keel 9.5–12.3 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.

pendulous (humistrate), brownish stramineous, oblong-ovoid or semi-ovoid, 10–25 × (4–)4.5–12 mm, fleshy becoming leathery or woody, glabrous or loosely strigulose;

stipe 5–12 mm.