Flora of North America species comparison

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

smooth, usually eglandular, mostly glabrous or 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.

10–18(–22) cm;

stipules linear to narrowly setaceous, 3–5 mm, sometimes sparsely gland-dotted, short-pilose;

petiole (15–)20–35(–50) mm, eglandular, usually glabrous;

rachis eglandular, usually glabrous;

leaflets (7–)9–15(–19), stipels not seen, petiolule 2–5(–7) mm, eglandular, glabrous or pilosulous, blade drying blackish, usually elliptic to oblong, sometimes ovate, 20–40(–70) × (10–)15–35(–45) mm, base round, margins flat, entire, apex usually emarginate, sometimes round, surfaces distinctly shiny adaxially, usually glabrous and eglandular, rarely sparsely puberulent and sparsely gland-dotted abaxially;

midvein terminated by a slender mucro, 0.1–0.2 mm.

(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.

1–3(–8)-branched, (5–)8–15(–25) cm;

rachis usually eglandular, usually glabrous, sometimes puberulent;

bracteoles drying blackish, linear to setaceous, 1.5–3(–4) mm, usually eglandular, glabrous or short-pilose.

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

drying blackish, 1–2.2 mm, eglandular, glabrous or short-pilose.

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.

calyx drying blackish, tube usually funnelform to obconic, rarely campanulate, 2–2.5 mm, usually eglandular, glabrous or short-pilose;

lobes: abaxial lobe triangular, slightly longer, adaxial lobes round to triangular, 0.2–1.4 mm;

banner reddish purple, broadly obovate, 4.5–6 × 3–4.8 mm, obscurely clawed, margins entire or irregularly erose;

filaments 5–7 mm, connate basally 2–2.5 mm;

anthers yellow;

ovary glabrous.

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.

short-stipitate, 6–8 × 2.5–3.5 mm, margins curved outward abaxially, straight or slightly curved inward adaxially, rarely at least distal 1/3 gland-dotted, glabrous.

not seen.

not seen.