Flora of North America species comparison

erect or ascending, usually flexuous and abruptly angled distal to each node, hirsute or hirsutulous.

decumbent to ascending or erect, glabrous or strigose.

3–10(–11) cm;

stipules lanceolate-attenuate, (1.5–)2.5–8(–9) mm, herbaceous, sometimes papery at proximal nodes;

leaflet blades obovate to elliptic, (3–)5–19 mm, apex acute to obtuse or retuse, surfaces pubescent abaxially, sometimes glabrous adaxially.

2–15 cm;

stipules 2–10 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (7–)11–27, blades orbiculate, suborbiculate, elliptic, rhombic-elliptic, rhombic-ovate, oblong-ovate, ovate, or obovate, 3–25 mm, apex obtuse, truncate, retuse, or apiculate, surfaces glabrous or glabrate.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

7–16-flowered, flowers ascending;

axis 1–7 cm in fruit;

bracts 1–7 mm;

bracteoles 2.

erect, 1.5–5.5 cm.

erect or incurved-ascending, 3–15 cm.

0.5–2.3 mm.

1–3.5 mm.

12–15.3 mm;

calyx 9.5–13 mm, hirsute to hirsutulous, tube 7–8.6 mm, lobes subulate to linear-subulate, 2.5–5.5 mm;

corolla bicolored, keel tip maculate.

(16–)16.5–21 mm;

calyx short-cylindric to deeply campanulate, 7–13.5 mm, sparsely strigulose or glabrous, tube 3.5–6.8 mm, lobes subulate to lanceolate, 2–7.1 mm;

corolla ochroleucous, yellowish, whitish, cream, or purple (wing tips sometimes pale or white);

banner recurved through 90°;

keel 11.5–15.5 mm.

stramineous, incurved, (20–)25–40 × (4–)5–7(–8) mm, thin becoming papery, glabrous.

ascending to declined, pale green, often purple-mottled, becoming brownish or stramineous, sharply incurved, obliquely ellipsoid, dorsiventrally compressed, (15–)20–30 × 6–12 mm, fleshy becoming leathery, glabrous;

septum narrow, subobsolete, to 1.5 mm wide;

gynophore 1.5–5 mm.

18–41.

= 24.