Flora of North America species comparison

often erect or ascending, sometimes decumbent, diffuse, or spreading, strigulose or glabrous.

prostrate or decumbent to erect, strigose to villous.

3–13.5 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, 2.5–10(–12) mm, submembranous becoming scarious, pallid;

leaflets (7–)11–35, blades lanceolate-oblong to oblong, elliptic, or oblanceolate, 5–27(–32) mm, apex usually acute or obtuse, rarely emarginate, surfaces strigulose abaxially, glabrous or glabrate adaxially.

2.5–12(–14) cm;

stipules (2.5–)3–8(–9) mm, submembranous becoming papery-scarious;

leaflet blades narrowly to broadly elliptic, oblanceolate, or obovate-cuneate, 4–20(–26) mm, apex acute to obtuse, surfaces strigulose, pilosulous, or hirsute, sometimes glabrescent or glabrous adaxially.

(15–)25–80-flowered;

axis 3–25 cm in fruit;

bracts (1–)2.5–7 mm;

bracteoles 0–2.

chasmogamous (3–)5–17-flowered, ;

axis 0.7–2.5 cm in fruit;

bracts 1.8–5 mm;

bracteoles 0; cleistogamous 1–3-flowered, very short.

dimorphic, pedunculate in chasmogamous flowers, sessile in cleistogamous flowers, on same or different plants.

erect, ascending, or incurved, 2.5–13 cm.

ascending, chasmogamous (2–)4–10(–12) cm, cleistogamous 0–2 cm.

1–3.5 mm.

0.5–2.4 mm.

(6.7–)8–17.5 mm;

calyx obliquely campanulate, gibbous-saccate, 3.5–9.6 mm, sparsely strigose, tube 2.8–5.7(–7) mm, lobes subulate, (0.7–)1–4.5(–6) mm;

corolla ochroleucous, white, whitish, or pink-purple, keel tip often maculate, sometimes purple;

banner recurved through 45° (except 90° in var. nevadensis);

keel 7–13 mm.

stramineous, straight or slightly curved, linear, ellipsoid, or oblong-ellipsoid, dorsiventrally compressed, abaxial face with suture forming prominent ridge flanked by depressed grooves, adaxial face convexly rounded, (5–)6.5–17(–20) × 2–4.5 mm, fleshy becoming thinly leathery or papery, strigulose or glabrous;

stipe 1.4–5.2(–6) mm.

(of both) ascending or spreading (humistrate), stramineous or purplish brown, usually straight or incurved, rarely decurved, ovoid-acuminate, ovoid-, lanceoloid-, or narrowly oblong-ellipsoid, abaxially or 3-sided compressed, 12–37 × 5–8 mm, somewhat fleshy becoming leathery or stiffly papery, strigulose, villosulous, or long-villous.

5–15.

flowers 8.5–14 mm;

calyx shallowly campanulate, 5–9.7 mm, strigose, tube 3.2–4.5 mm, lobes lanceolate, 2.2–5.2 mm;

corolla greenish white, ochroleucous, or tinged or veined lavender or purple, keel without darker apex;

banner recurved through 45+°;

keel 6.6–9.8 mm.

flowers 4.3–7.2 mm;

calyx shorter than in chasmogamous flowers at anthesis, accrescent in fruit;

corolla whitish, drying yellowish, petals not expanding, much shorter than calyx lobes;

banner little recurved;

keel 4.2–6 mm.

= 26.