Flora of North America species comparison

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

longitudinally grooved and ridged, eglandular, mostly puberulent, canescent, or tomentose, sometimes glabrate.

(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.

(10–)20–40 cm;

stipules linear, 2–3 mm, eglandular, pubescent;

petiole (20–)30–60(–90) mm, eglandular, puberulent, canescent, or tomentose;

rachis eglandular, puberulent or canescent;

leaflets (9–)11–19, stipels acicular, 1–2 mm, petiolule (2–)4–10 mm, sparsely gland-dotted, usually pilosulous proximally, glabrous distally, blade narrowly elliptic to oblong or ovate, 15–30(–50) × (14–)18–22(–26) mm, base round, margins flat, entire, apex round, surfaces sparsely gland-dotted abaxially, canescent to tomentose or glabrate abaxially, usually puberulent to glabrate or glabrous adaxially;

veins conspicuous, distinctly raised abaxially;

midvein terminated by a slender mucro, 0.5–1.8 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.

(1–)5–12-branched, paniculiform, (5–)15–30(–40) cm;

rachis eglandular, short-pilose;

bracteoles linear, 1–2 mm, eglandular, short-pilose.

0.4–1 mm, eglandular, glabrous or glabrate.

1–2 mm, eglandular, short-pilose.

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.

calyx tube funnelform, 1.8–2.2 mm, distal 1/3 gland-dotted, usually short-pilose, rarely glabrate;

lobes: abaxial lobe linear to narrowly lanceolate, adaxial lobes usually triangular to ovate, (1–)1.2–2 mm;

banner purple, broadly obcordate, 5–7 × 3–4 mm, indistinctly clawed, margins entire or slightly erose;

filaments 5–6 mm, connate basally 2.5–3 mm;

anthers orange;

ovary glabrous.

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

sessile, 4–6(–8) × 2–2.5 mm, margins curved outward abaxially, bent outward adaxially, gland-dotted, glabrous.

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

reddish brown, 3–3.5 × 1.5–1.8 mm, smooth.