OregonFlora species comparison

often decumbent, 1–4.5(7) dm.

(5)1–2.4(3.2) dm.

not rosulate, 1–6(8) cm, 1- or 2-pinnatisect;

lobes entire or dentate, sometimes deeply lobed;

petioles 0.5–4(6) cm.

not rosulate, 0.7–3.5 cm, 1- or 2-pinnatifid;

lobes entire or dentate;

petioles (0.5)1–3.

similar to basal, 1.5–3.5(4.5) × 0.5–1.2 cm, bases not auriculate, petiolate to subsessile.

0.8–2 cm × 2–9 mm, bases auriculate or not;

margins laciniate or pinnatifid, sessile, rarely short-petiolate.

rachises glabrous or pubescent with straight cylindrical trichomes, fruiting pedicels divaricate to horizontal; terete; straight or slightly recurved, 1.4–2.5(4) mm, glabrous or sparsely pubescent adaxially.

rachises hirsute with straight cylindrical trichomes, fruiting pedicels divaricate to horizontal; terete, slightly recurved or rarely straight, 2–3.5(5) mm, puberulent adaxially or rarely all around.

sepals caducous, 0.5–0.7(0.9) mm;

petals elliptic to linear, 0.4–0.5 × ~0.1 mm, white;

stamens 2; median;

styles absent or obsolete, included in apical notch.

sepals caducous to somewhat persistent, 0.7–1 mm;

petals absent or rudimentary, linear-oblanceolate, 0.1–0.7 × 0.05–0.15 mm, white;

stamens 2; median;

styles to 0.1 mm, included in apical notch.

indehiscent, didymous, 1.3–1.7 × 2–2.5 mm; apical notch 0.2–0.4 mm deep;

valves thick, rugose, glabrous, strongly veined; wingless.

dehiscent, orbicular to obovate or elliptic, 2.2–3.5 × 2–3 mm; apical notch 0.2–0.3 mm deep;

valves smooth, glabrous or sparsely puberulent along margin, not veined, apically winged.

ovate, 1–1.2 × 0.7–0.8 mm;

cotyledons incumbent.

ovate, 1.2–1.6 × 0.7–1 mm; wingless;

cotyledons incumbent.

=32.