OregonFlora species comparison

palmate;

leaflets (5)7–9, broadly to narrowly obovate, often folded, 10–27 × 4–11 mm, bases cuneate;

margins serrulate or irregularly lobed;

veins thickened, especially distally;

tips rounded or truncate, apiculate;

surfaces abaxially villous, adaxially sparsely villous to glabrate;

petioles 10–140 mm;

petiolules 0.9–1.2 mm;

stipules ovate, obovate, or oblong, 10–30 mm;

margins entire.

palmate;

leaflets 3, broadly obcordate, 8–28 × 10–30 mm, bases cuneate, widely spaced;

margins mostly entire, slightly dentate distally;

veins delicate;

tips emarginate;

surfaces appressed-sericeous;

petioles 10–200 mm;

petiolules ~1 mm;

stipules ovate, 5–30 mm;

margins entire or slightly toothed, ciliate;

tips acute to acuminate.

terminal, 20–32-flowered, globose or ovoid-ellipsoidal, 25–80 × 30–70 mm;

involucres absent;

bracteoles broadly ovate, membranous; ? 0.5 mm, truncate.

axillary, globose or cylindrical, 5–15 × 8–15 mm; bur-like in fruit;

involucres cup-shaped;

bracts ± connate, 5–15 mm, glabrous or inconspicuously hairy;

lobes 8–12; ovate, sharply toothed;

bracteoles absent.

20–80 mm.

15–74 mm; in fruit curving, growing into ground.

erect, 1–1.5 mm.

absent.

20–30 mm;

calyces campanulate, 10–22 mm, villous;

veins 10–15;

tubes 2.5–4 mm;

lobes subulate, subequal, 2–4 × tube length, plumose;

orifices open;

corollas 20–28 mm, white; creamy white, or pinkish;

banners ovate or oblong, 20–28 × 10–13 mm;

tips rounded or slightly emarginate;

keel petals deep pink.

outer 2–8, fertile;

calyx tubes often with purple band at top;

corollas 7–10 mm, white, pink, or pink-striped;

banners ovate-elliptic, 7–10 × 1.5–2 mm;

tips rounded; inner many, sterile;

calyces stalk-like, with 4–5 bristles at tip;

corollas absent, recurving and forming burs to surround fruits, delivered to ground by growing peduncles.

longitudinally dehiscent; ovoid, 4–5 mm; ? calyces.

obovoid, 3–4 mm; ? calyces.

1–2; mitten-shaped to ellipsoid, 2.5–3 mm, yellow or reddish; smooth.

1, ellipsoid, 2.6–3 mm; purplish black; smooth; dull.

=32, 48.

=16.