OregonFlora species comparison

pinnate;

leaflets 3, rhombic to obovate, 4–15 × 4–8 mm, bases cuneate;

margins denticulate distally;

lateral veins prominent; ± parallel, ascending;

tips truncate or retuse;

surfaces adaxially glabrate to strigose;

petioles ? 1–1.5 times leaflet length;

petiolules 0.5–0.6 mm in lateral leaflets, 3–5 mm in terminal leaflets;

stipules ovate-lanceolate, 5–8 mm;

margins entire, glandular;

tips acuminate.

axillary, 30–60-flowered, globose or broadly ovoid, 8–15 × 7–10 mm;

involucres absent;

bracteoles reduced to fringe of red setae.

15–35 mm.

reflexed, 0.7–1.2 mm.

4.3–5 mm;

calyces campanulate, strongly bilabiate, 1.3–1.5 mm, glabrous;

veins 5;

tubes 0.3–0.6 mm;

lobes unequal; adaxial < abaxial and deltate;

lateral and abaxial linear subulate; each tipped with 1–2 stiff hairs;

orifices open;

corollas 3.5–6 mm, yellow becoming brown, obviously ribbed;

banners persistent, enveloping other petals; boat-shaped, obovate, 4.3–5 × 2.8–3.2 mm;

tips broadly acute.

oblong, 2–2.5 mm; ? calyces, stipitate.

1–2, ellipsoid, 1–1.5 mm, yellow; smooth, lustrous.

=14.