Flora of North America species comparison

decumbent and incurved-ascending or erect, sparsely to densely strigulose or glabrate.

prostrate or decumbent to erect, strigose to villous.

1.5–9.5 cm;

stipules connate-sheathing and papery-scarious at proximal nodes, connate or distinct and submembranous at distal nodes, 1–4 mm, not blackened when dry;

leaflets 11–19, blades elliptic to oblong, lanceolate, or broadly oval, 3–17(–19) mm, apex acute to obtuse and apiculate, surfaces strigose abaxially, strigose or glabrous 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.

(1–)3–13-flowered, flowers ascending to spreading;

axis (1–)2–8 cm in fruit;

bracts 0.7–1.7 mm;

bracteoles 0.

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.

decumbent or humistrate (in fruit), 3–10(–14) cm.

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

1.5–4(–4.5) mm.

0.5–2.4 mm.

8–10.5 mm;

calyx (3.4–)4.5–6.7 mm, strigose, tube (2.6–)3–4.3 mm, lobes subulate, (0.8–)1.2–2.9 mm;

corolla pink-purple, or whitish and purple-tipped;

banner recurved through 50°;

keel 6.7–8.8 mm.

pendulous, brown, straight or nearly so, ellipsoid or oblong-ellipsoid, laterally flattened, (7–)9–15 × 3–4.2 mm, thinly papery, strigose;

stipe 1–1.5(–2) 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.

2–6.

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.