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, elliptic, lanceolate, oblanceolate, rhombic, or obovate, 15–40 × 3–17 mm, bases cuneate;

margins coarsely spinulose-serrate;

veins thickened;

tips acute, mucronate;

surfaces glandular;

petioles 15–100 mm;

petiolules ? 0.5 mm;

stipules ovate, 10–15 mm, sheathing;

margins deeply lacerate;

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, 10–50-flowered, globose or ovoid, 10–35 × 10–30 mm;

involucres flattened or bowl-shaped, divided ¼–? their length; when flattened laterally not hiding flowers except proximally, 3–8 mm, deeply lacerate;

bracteoles absent.

25–120 mm.

30–150 mm, glandular.

erect but becoming reflexed, 0.5–6 mm.

erect; ~1 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.

13–20 mm;

calyces tubular-campanulate; slit between adaxial lobes, 10–13 mm, glandular;

veins 20+;

tubes 5–7 mm;

lobes narrowly triangular or lanceolate-subulate, unequal; ? tube, usually entire, rarely 3-fid or shouldered;

orifices open;

corollas 10–18 mm, white or pale pinkish with dark purple spot;

banners broadly elliptic, 10–18 × 2–4 mm;

tips blunt.

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

obovoid, 3.5–4 mm.

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

1–2, ellipsoid or mitten-shaped, 2.5 mm, brown, mottled; smooth.

=16.

=16.