OregonFlora species comparison

pinnate;

leaflets 3, obovate to oblong, elliptic or lanceolate, 5–40 × 5–15 mm, bases cuneate;

margins spinulose-denticulate;

veins prominent, thickened;

tips apiculate;

surfaces glabrous;

petioles 5–100 mm;

petiolules ~1 mm;

stipules linear-lanceolate, 10–35 mm;

margins entire;

tips subulate or setaceous.

pinnate;

leaflets 3, obovate or obcordate, 6–15 × 4–10 mm, bases cuneate;

margins spinulose-serrate;

veins thickened distally;

tips retuse or rounded;

surfaces glabrous;

petioles 0–70 mm;

petiolules ? 0.5 mm;

stipules ovate, 10–15 mm;

margins entire;

tips subulate-setaceous occasionally acute or apiculate.

terminal or axillary, 50–100+-flowered, globose; ovoid, or oblong, 30–60 × 20–35 mm;

involucres absent;

bracteoles lanceolate, 6–7 mm, nearly as long as calyces, acuminate.

axillary, 30+-flowered, globose, 8–10 × 8–10 mm;

involucres absent;

bracteoles linear; ? 0.5 mm.

10–120 mm.

0–1 mm.

absent.

straight; ? 0.2 mm.

12–16 mm;

calyces urceolate; symmetrical, inflated in fruit, 6–10 mm, glabrous;

veins 20–36, connected transversely in fruit;

tubes 3–5 mm;

lobes reflexed, subulate, subequal; as long as tube;

orifices constricted;

corollas 12–15 mm, white becoming pink;

banners ovate, broadly clawed, 12–15 × 2–4 mm, striate;

tips acute-acuminate.

6–8.5 mm;

calyces tubular-obconic, 3–4 mm, glabrous;

veins 10–12;

tubes 1.5–2 mm;

lobes triangular-ovate, spreading to recurved in fruit; equal;

orifices open;

corollas 6–8 mm; ? 2 × as long as calyces, pink, occasionally white;

banners obovate, 6–8 × 1–2 mm;

tips acute.

ellipsoid, 2.5–3.5 mm; < calyces.

longitudinally dehiscent, obovoid, 2–3 mm.

2–3; ovoid, 1–1.5 mm, brown, roughened.

2, reniform, 1 mm, brown, tuberculate.

=16.

=14, 16.