OregonFlora species comparison

blades pinnate or ternate, 1.5–3 cm;

leaflets 0.5–1.5 cm;

margins serrate;

petioles 1–3 cm.

blades pinnate or ternate, 3–10 cm;

leaflets 1–3 cm;

margins entire;

petioles 2–15 cm.

peduncles 0.5–2 cm;

rays 3–5, 0.5–1.6 cm, unequal;

involucel bractlets 2–5; leaf-like, 8–20 mm;

margins serrate;

pedicels 0.5–4 mm.

peduncles 5–20 cm;

rays 1–6, 0.4–1.5 cm, unequal to subequal;

involucel bractlets 2–5, not leaf-like, linear, 1–2 mm;

margins entire;

pedicels 0.5–3 mm.

sepals prominent.

sepals minute.

oblong, 2–4 mm.

ellipsoid to subglobose, 2–3 mm.