6. Mitella ovalis Greene, Pittonia. 1: 32. 1887.
Oval-leaf mitrewort Oval-leaf mitrewort
Pectiantia ovalis (Greene) Rydberg
Plants not stoloniferous or, rarely, stoloniferous. Flowering stems 15-35(-40) cm. Leaves: petiole 1.2-8(-11.3) cm, short stipitate-glandular and densely long stipitate-glandular, longer hairs spreading or retrorse, reddish brown; blade cordate-ovate to cordate-oblong, longer than wide, 2.7-7 × 1.5-5.4 cm, margins shallowly 5-, 7- or 9-lobed, doubly crenate-dentate or dentate, glabrous or irregularly ciliate, apex of terminal lobe acute to obtuse, surfaces sparsely short stipitate-glandular and long stipitate-glandular to sparsely long stipitate-glandular along primary veins abaxially, long stipitate-glandular adaxially; cauline leaves absent. Inflorescences 1-3(-6), closely 20-60-flowered, 1(-2) flowers per node, not secund, 15-35(-40) cm, subglabrous or short stipitate-glandular and sparsely long stipitate-glandular proximally, short stipitate-glandular and, rarely, long stipitate-glandular distally. Pedicels 1-2 mm, short stipitate-glandular. Flowers: hypanthium shallowly saucer-shaped, 0.8-1 × 2-3.5 mm; sepals spreading to recurved, greenish, triangular, 0.7-1 × 0.9-1.9 mm; petals greenish yellow, 3-9-lobed, 1.5-2 mm, lobes linear, lateral lobes spreading; stamens 5, opposite sepals; filaments white, 0.1-0.3 mm; anthers 0.1-0.2 × 0.2-0.4 mm; ovary nearly completely inferior; styles divergent, flattened, 0.2-0.3 mm; stigmas 2-lobed. Seeds reddish purple or blackish, 0.8-1.1 mm, pitted. 2n = 14.
Flowering Mar-Jul. Moist woods, stream margins, wet banks; 0-1500 m; B.C.; Calif., Oreg., Wash.
Mitella ovalis occurs from Vancouver Island and extreme southwest mainland of British Columbia south to Marin County, California.