Flora of North America species comparison

finely longitudinally grooved and ridged, often obscurely gland-dotted, sparsely to densely puberulent, glabrate, or glabrous.

rachis usually puberulent.

(6–)8–18(–24) cm;

stipules sometimes persistent, mostly acicular, (1–)1.2–2.5(–3) mm;

petiole (0.5–)1–10(–13) mm, gland-dotted, usually puberulent or strigulose, rarely glabrous;

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

leaflets (15–)23–45(–63), stipels acicular to setaceous, (0.4–)0.8–2 mm, petiolule (0.7–)1–2 mm, gland-dotted, usually puberulent, rarely glabrous, blade elliptic to oblong or ovate to suborbiculate, (7–)10–25(–32) × (3–)4–10(–5) mm, base obtuse to round or truncate to subcordate, margins often revolute, entire or inconspicuously crenulate, apex obtuse to round or emarginate, surfaces densely pubescent or glabrous;

midvein terminated by a swollen mucro, 0.2–0.8 mm, mucro sessile or short-stalked, glandlike.

usually densely puberulent.

(1–)4–12(–20)-branched, (3–)10–18(–40) cm;

rachis sparsely gland-dotted, puberulent;

bracteoles mostly linear, (1.2–)1.8–2.5(–3) mm, gland-dotted, sparsely hairy.

(0.2–)0.4–1.2(–1.8) mm, sparsely gland-dotted, puberulent or, sometimes, glabrous.

calyx tube turbinate to narrowly campanulate or cylindric, 1.5–2.5(–3) mm, distal 1/2–2/3 often gland-dotted, puberulent, short-pilose, strigulose, glabrate, or glabrous;

lobes: abaxial lobe narrowly triangular, slightly longer, adaxial lobes triangular or obtuse, (0.4–)0.5–1.2(–1.5) mm;

banner white, lavender, or violet, broadly obcordate, (4–)5–6(–7) × (2–)2.5–3.5 mm, distinctly clawed, margins entire or finely erose;

filaments 6–8 mm, distinct;

anthers yellow to yellowish orange;

ovary puberulent or glabrous.

tube densely puberulent or short-pilose.

often densely to sparsely puberulent, sometimes proximal 1/3–1/2 glabrous, sometime glabrous throughout.

sessile, 4–6 × 1.8–2.5 mm, margins strongly curved outward abaxially, straight to slightly arched adaxially, distal 1/2–2/3 gland-dotted, puberulent or glabrous.

not seen.