OregonFlora species comparison

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.

palmate;

leaflets 3; ovate, elliptic, or rhombic, 35–95 × 23–50 mm, bases cuneate;

margins serrate to nearly entire;

veins obscure;

tips acute, rounded, or obtuse;

surfaces glabrous;

petioles 5–200 mm;

petiolules 1–1.5 mm;

stipules ovate, 15–45 mm;

margins entire, sometimes lobed;

tips acuminate.

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.

terminal or axillary, 20–70-flowered, globose or ellipsoidal, 25–40 × 20–25 mm;

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

involucres absent;

bracteoles minute, membranous; blunt or acute.

20–130 mm, slightly twisted distally.

30–110 mm.

strongly reflexed; ~0.5 mm.

erect in bud, reflexed in flower and fruit; ~1 mm.

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.

10–14 mm;

calyces campanulate, gibbous, 4–5.5 mm, glabrous;

veins 10;

tubes 2–2.5 mm;

lobes linear-lanceolate, subequal;

orifices open;

corollas 11–12 mm, white to greenish white or greenish yellow;

banners elliptic-oblong, 11–12 × 4–5 mm;

tips obtuse.

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

longitudinally dehiscent, oblong or clavate, 4–5 mm; ? calyces.

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

1–3, angular; mitten-shaped, 2.5 mm; reddish black or brown; smooth or slightly roughened; dull.

=16.