Flora of North America species comparison

ascending, erect, decumbent, or prostrate, sometimes diffuse, 2–6 cm underground, strigulose.

usually decumbent or ascending, sometimes erect, strigulose.

(1–)1.5–10(–11) cm;

stipules connate-sheathing and papery at proximal nodes, connate or distinct and subherbaceous at distal nodes, 1–5 mm;

leaflets (5–)9–21, blades oblong-oblanceolate, elliptic, narrowly obovate, or linear-elliptic, 2–21 mm, apex obtuse to acute, surfaces usually strigulose, sometimes glabrescent or glabrous adaxially.

4–11 cm;

stipules connate-sheathing and papery at proximal nodes, connate or distinct and herbaceous at distal nodes, 1.5–10 mm;

leaflets (5–)9–15(–21), blades linear, filiform, or linear-oblanceolate, 15–70 mm, margins involute, apex acuminate, surfaces strigulose abaxially, glabrous adaxially;

terminal leaflet decurrent, not jointed to rachis.

(3 or)4–16-flowered;

axis 0.5–7 cm in fruit;

bracts 1–3 mm;

bracteoles 0.

(7–)12–30-flowered, flowers nodding;

axis 3–13(–17) cm in fruit;

bracts 2–7 mm;

bracteoles 0.

incurved-ascending or erect, 1–9.5(–12) cm.

incurved-ascending, (2–)3.5–8(–10.5) cm.

0.5–2.5 mm.

2–3(–3.5) mm.

(8.3–)9–17.2 mm;

calyx campanulate, 4.5–9.3 mm, strigulose, hairs white, sometimes also black, tube 3.5–5.9 mm, lobes triangular, 0.5–3.6 mm;

corolla ochroleucous, pinkish white, lilac, or pink-purple, wing tips often paler than banner;

banner recurved through 50–80°;

keel 7.3–13.8, apex narrowly triangular, acute or subacute, often slightly beaked.

(16–)21–24(–27) mm;

calyx 8–12 mm, strigulose, tube 6.5–9 × 2.8–4.3 mm, lobes subulate, 1.5–3 mm;

corolla white or ochroleucous, drying yellowish;

keel 13.8–16 mm.

green, usually red- or purple-mottled, becoming stramineous, balloon-shaped, bladdery-inflated, 15–60(–75) × (8–)10–25(–35) mm, apex broad, round, beak obsolete, papery-membranous, translucent, glabrous or strigulose;

stipe 2–9 mm.

declined or deflexed, stramineous or brown, straight or slightly decurved, ellipsoid or oblong-ellipsoid to clavate-ellipsoid, ± obcompressed, (10–)15–25 × (4.5–)5–8 mm, woody, glabrous;

sessile.

(13–)15–30(–37).

(23–)26–32.

= 22.