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, lanceolate or elliptic, 5–20 × 3–13 mm, bases cuneate;

margins serrate;

veins prominent;

tips acute, apiculate;

surfaces glabrous;

petioles 5–120 mm;

petiolules ~1 mm;

stipules ovate-lanceolate, 5–20 mm;

margins entire, sometimes lobed;

tips acute to 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.

terminal or axillary, 15–30-flowered; ellipsoidal or conical, 15–20 × 10–30 mm;

rachises prolonged beyond flowers, undivided or forked, often bearing cluster of sterile flower buds distally;

involucres absent;

bracteoles minute, lanceolate.

25–120 mm.

20–130 mm, slightly twisted distally.

erect but becoming reflexed, 0.5–6 mm.

strongly reflexed; ~0.5 mm.

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.

12–14 mm;

calyces campanulate, 3–3.5 mm, pink to purple, glabrous;

veins 10 (5 sometimes faint);

tubes 1.5–1.7 mm;

lobes triangular-subulate, subequal;

orifices open;

corollas 12–14 mm, pink to deep purple;

banners oblong, 12–14 × 4–5 mm;

tips rounded or retuse.

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

longitudinally dehiscent, obliquely ellipsoid; ~5 mm; ? calyces.

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

1–2, flattened-ovoid, 2–3 mm, brown, often purple-mottled; smooth.

=16.

=16.