Flora of North America species comparison

finely grooved, gland-dotted, puberulent.

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

(5–)8–12(–22) cm;

stipules linear to narrowly lanceolate, 3–4.5 mm, eglandular, pubescent abaxially, glabrous adaxially;

petiole (7–)10–18(–25) mm, usually eglandular, pubescent;

rachis usually eglandular, puberulent;

leaflets (7–)19–27(–29), stipels acicular, 1–2.2 mm, petiolule (0.5–)1–2 mm, gland-dotted, pilosulous to puberulent, blade usually elliptic to narrowly oblong, rarely ovate to suborbiculate, (5–)15–30(–40) × (4–)8–15(–20) mm, base truncate to subcordate, margins slightly revolute, entire or slightly crenulate, apex obtuse to round or emarginate, surfaces gland-dotted, pilose to pubescent;

midvein terminated by a swollen mucro, 0.2–0.5(–0.8) 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.

1(or 2)-branched, (2–)4–8(–12) cm;

rachis usually eglandular, puberulent to pubescent;

bracteoles linear to narrowly lanceolate, 2–3.5 mm, pilosulous abaxially, glabrous adaxially.

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

rachis eglandular, short-pilose;

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

(0.8–)1–1.5(–2) mm, eglandular, puberulent to pubescent.

1–2 mm, eglandular, short-pilose.

calyx tube turbinate to cylindric, 1.8–2.5 mm, distal 1/3 or less gland-dotted, pilosulous;

lobes linear to narrowly lanceolate, (1.2–)2–3.5 mm;

banner purplish, broadly obovate to obcordate, 4.5–6.5 × 3–4.2 mm, distinctly clawed, margins entire or erose;

filaments 6–8 mm, connate basally 1.5–2 mm;

anthers golden yellow;

ovary usually 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.

sessile, 5–6.5 × 1.8–2.2 mm, margins curved outward abaxially, straight adaxially, at least distal 1/2 gland-dotted, usually glabrous.

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

not seen.

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