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, obovate to elliptic, 4–42 × 2–13 mm, bases cuneate or rounded;

margins spinulose-serrate;

veins fine or thickened distally;

tips usually acute to rounded, sometimes retuse or mucronate;

surfaces glabrous;

petioles 10–110 mm;

petiolules ~0.5 mm;

stipules ovate to lanceolate, 15–20 mm;

margins entire (proximal stipules), lacerate (distal stipules);

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.

axillary or terminal, 20–50-flowered, subglobose or globose, 18–25 × 20–25 mm;

involucres broadly bowl-shaped;

bracts ± connate, divided ?–½ their length, 12–20 mm;

lobes > 10, sharply and acutely serrate;

veins prominent;

bracteoles linear or ovate, 1–2 mm.

25–120 mm.

15–110 mm.

erect but becoming reflexed, 0.5–6 mm.

straight, 1.5–2 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.

odor somewhat unpleasant, 12–14 mm;

calyces tubular, 5–6 mm; whitish, glabrous;

veins 10;

tubes 2–3 mm;

lobes subequal; ? tube, rarely longer, green to purple;

orifices open;

corollas 10–12 mm, usually magenta to purple, rarely white or bicolored;

banners ovate-oblong, 12–14 × 0.2–0.3 mm;

tips truncate or rounded, slightly retuse.

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

oblong, 2–4 mm.

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

3–4, subglobose or mitten-shaped; ~1.5 mm, brown, sometimes mottled; smooth.

=16.

=16, 32.