OregonFlora species comparison

palmate;

leaflets 3, elliptic to oblong or obovate, 8–35 × 5–15 mm, bases cuneate;

margins serrate proximally, obscurely denticulate distally;

veins thickened;

tips usually rounded or retuse, rarely acute;

surfaces glabrous;

petioles 10–130 mm;

petiolules ~0.5 mm;

stipules ovate-lanceolate, 10–15 mm;

margins entire, sometimes ciliate;

tips acuminate.

palmate;

leaflets 3, oblanceolate, obovate, or obcordate, 4–17 × 3–11 mm, bases cuneate;

margins setose, often dentate distally;

veins fine or slightly thickened;

tips usually retuse, rarely rounded;

surfaces villous;

petioles 10–50 mm;

petiolules 0.5 mm;

stipules obliquely ovate, 4–12 mm;

margins entire or slightly serrate;

tips acuminate.

axillary or terminal, 10–30-flowered; ovoid becoming subglobose, 7–22 × 5–20 mm;

involucres a narrow, membranous, dentate rim; ~0.5 mm;

bracteoles linear or cup-shaped; ? 1 mm.

axillary or terminal, 10–40-flowered, globose, 5–13 × 4–12 mm;

involucres flattened or bowl-shaped;

bracts ± connate, 4–10 mm, conspicuously villous;

lobes 5–12, divided ½ their length, lanceolate-ovate, acuminate; entire or slightly toothed proximally; when flattened laterally nearly completely hiding calyces;

bracteoles absent.

25–120 mm.

10–80 mm.

erect but becoming reflexed, 0.5–6 mm.

absent.

6–13 mm;

calyces broadly campanulate, 5–11 mm, glabrous;

veins 10;

tubes 1–5 mm;

lobes elliptic to linear, unequal;

margins hyaline, markedly ciliate, dentate or pectinate; sinuses narrow;

orifices open;

corollas 5–13 mm, white, pink, or purple;

banners broadly ovate, 6–13 × 4–7 mm;

tips rounded, apiculate.

4–6 mm;

calyces campanulatetubular, 3–5.5 mm, pubescent;

veins 10;

tubes 1.8–2.5 mm;

lobes triangular-aristate; ± equal;

margins hyaline; wavy;

orifices open;

corollas 4–6 mm; ? calyces, white or pink to lavender;

banners oblong, 3–6 × 1–2 mm;

tips emarginate.

longitudinally dehiscent; ovoid, 5–10 mm; < 2 × as long as calyces; short-stipitate.

broadly ellipsoid, 1.5–2 mm.

1–2; ovoid, 2.5–3 mm, brown, mottled; smooth.

1, oblong, 1.5 mm, yellow; reddish mottled; smooth.

=16.

=16.