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.

pinnate;

leaflets 3; ovate, obovate, or elliptic, 5–30 × 3–15 mm, bases cuneate;

margins spinulose-denticulate;

veins prominent, thickened, curved;

tips obtuse, often retuse;

surfaces abaxially hairy, adaxially glabrous;

petioles 10–90 mm;

petiolules ~1 mm;

stipules linear or lanceolate, dilated proximally, 13–20 mm;

margins entire;

tips subulate or 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; erect or ascending, 10–30-flowered, globose, 8–20 × 8–20 mm, distinctly involucrate by bracts of proximal flowers;

involucres cup-shaped;

bracts distinct or connate proximally, lanceolate-oblong, 3–6 mm;

bracteoles linear or lanceolate, 2–3 mm, acuminate or 2-fid.

25–120 mm.

30–170 mm.

erect but becoming reflexed, 0.5–6 mm.

straight; ? 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.

6–8 mm;

calyces tubular, inflated in fruit, markedly asymmetric-bilabiate, 2.5–7 mm, usually pilose to woolly, sometimes glabrescent;

veins 5–10, connected by reticulating lateral veins;

tubes 2–7 mm;

lobes unequal; abaxial straight; ? tube; very unequal in fruit; adaxial spreading in fruit; < tube;

orifices open;

corollas 5–8 mm, white to pink;

banners oblong-lanceolate, 5–8 × 2 mm;

tips emarginate to crenulate.

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

ovoid, 2.5–3 mm; < calyces; long-beaked.

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

1–2, globose-reniform, 1–1.4 mm, tan or brown-spotted; smooth; dull.

=16.

=16.