Flora of North America species comparison

finely grooved, gland-dotted, puberulent.

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

(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.

(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.

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.

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.

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

0.4–1 mm, eglandular, glabrous or glabrate.

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 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.

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

not seen.

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