Flora of North America species comparison

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

smooth, often with spinelike glands, mostly short-pilose to puberulent, glabrate, or glabrous.

(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.

(5–)10–20 cm;

stipules linear to narrowly oblong, (2–)4–6 mm;

petiole (7–)10–15(–25) mm, glands spinelike, scattered, puberulent or glabrous;

rachis glands spinelike, puberulent to short-pilose;

leaflets (11–)13–19(–25), stipels acicular, 1–1.5 mm, petiolule 0.7–1.5(–1.8) mm, gland-dotted, pilosulous or glabrous, blade mostly oblong, (8–)15–25(–42) × (6–)10–15(–20) mm, base round to subcordate, margins not revolute, entire or finely crenulate, apex round to obtuse or emarginate, surfaces puberulent to short-pilose or glabrous;

midveins terminated by a swollen, globose mucro, 0.2–0.5 mm.

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

rachis eglandular, short-pilose;

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

unbranched, (5–)10–18(–25) cm;

rachis often with spinelike glands, pilose;

bracteoles linear to lanceolate, 1.5–4 mm, usually gland-dotted, sometimes eglandular, short-pilose.

1–2 mm, eglandular, short-pilose.

0.3–1.2 mm, eglandular, mostly puberulent to short-pilose.

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.

calyx tube narrowly cylindric to funnelform, 2–2.8 mm, distal 1/2 sometimes gland-dotted, puberulent, short-pilose, or glabrous;

lobes triangular to narrowly lanceolate, 0.4–2(–2.5) mm;

banner reddish purple, broadly obovate, 5–7 × 2.5–4 mm, indistinctly clawed, margins entire;

filaments 6–7 mm, connate basally 2–3.2 mm;

anthers pale yellow;

ovary mostly densely short-pilose.

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

sessile, 6–8 × 2.5–3.5 mm, margins curved outward abaxially, straight adaxially, at least distal 1/2 gland-dotted, mostly short-pilose.

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

olive brown or reddish brown, 3–4 × 1.5–2 mm, smooth.