Flora of North America species comparison

finely longitudinally grooved and ridged, gland-dotted, sparsely puberulent or glabrous.

(3–)6–15(–18) cm;

stipules sometimes persistent, linear or setaceous, (1–)1.5–2(–2.5) mm;

petiole 1–3(–5) mm, gland-dotted, puberulent or glabrous;

rachis sparsely gland-dotted, puberulent or glabrous;

leaflets (11–)15–43(–47), stipels acicular or setaceous, 0.8–1.8 mm, petiolule 0.7–1.5(–1.8) mm, gland-dotted, mostly puberulent or glabrous, blade elliptic to oblong or, at least terminal leaflet, ovate to suborbiculate, (3–)6–10(–21) × (2–)3–6(–12) mm, base truncate or round to subcordate, margins usually revolute, entire or inconspicuously crenulate, apex round to obtuse or emarginate, surfaces usually glabrous or glabrate, sometimes sparsely pubescent;

midvein terminated by a slender mucro, (0.2–)0.4–1 mm.

usually unbranched, (2–)5–20(–30) cm, rarely with 2–4 lateral branches, these (2–)3–5(–6) cm;

rachis sparsely gland-dotted, often glabrous, sometimes puberulent;

bracteoles linear to narrowly subulate, 1.5–2.5(–3) mm, usually eglandular, glabrous or sparsely pubescent, margins often ciliate.

0.4–1 mm, eglandular, glabrous or glabrate.

calyx tube turbinate to narrowly campanulate or cylindric, 1.7–2.2 mm, distal 1/3–2/3 rarely gland-dotted, glabrous;

lobes triangular to acuminate, 0.4–1.2(–1.5) mm, densely ciliate;

banner usually reddish purple, rarely lavender, broadly obovate to obcordate, (4–)5–6 × 3–3.5(–4) mm, distinctly clawed, margins entire or finely erose;

filaments 5–8 mm, distinct;

anthers yellow;

ovary pubescent.

stipitate, 4–5.5 × 2–2.5 mm, margins curved outward abaxially, straight adaxially, at least distal 1/2–2/3 gland-dotted, glabrous.

usually olive green, sometimes olive-tan, 2–2.3 × 1–1.3 mm, smooth, lustrous.