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; ovate, obovate, or elliptic, 5–30 × 3–15 mm, bases cuneate;

margins spinulose-denticulate;

veins prominent, thickened, curved;

tips obtuse, often retuse;

surfaces abaxially hairy, adaxially glabrous;

petioles 10–90 mm;

petiolules ~1 mm;

stipules linear or lanceolate, dilated proximally, 13–20 mm;

margins entire;

tips subulate or acuminate.

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; erect or ascending, 10–30-flowered, globose, 8–20 × 8–20 mm, distinctly involucrate by bracts of proximal flowers;

involucres cup-shaped;

bracts distinct or connate proximally, lanceolate-oblong, 3–6 mm;

bracteoles linear or lanceolate, 2–3 mm, acuminate or 2-fid.

10–120 mm.

30–170 mm.

absent.

straight; ? 0.5 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 mm;

calyces tubular, inflated in fruit, markedly asymmetric-bilabiate, 2.5–7 mm, usually pilose to woolly, sometimes glabrescent;

veins 5–10, connected by reticulating lateral veins;

tubes 2–7 mm;

lobes unequal; abaxial straight; ? tube; very unequal in fruit; adaxial spreading in fruit; < tube;

orifices open;

corollas 5–8 mm, white to pink;

banners oblong-lanceolate, 5–8 × 2 mm;

tips emarginate to crenulate.

ellipsoid, 2.5–3.5 mm; < calyces.

ovoid, 2.5–3 mm; < calyces; long-beaked.

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

1–2, globose-reniform, 1–1.4 mm, tan or brown-spotted; smooth; dull.

=16.

=16.