The Genus Mitella
Brewer's Bishops Cap, Brewer's Mitrewort, Feathery Bishop's-cap, Feathery Mitrewort: Mitella breweri (Synonym: Pectantia breweri) - Leaves heart-shaped and 4-8 cm wide (always shorter than wide) with shallow, toothed lobes. Stems not leafy. Calyx broadly saucer-shaped with green petals which are linear with 6-10 side branches (fringes). Stamens opposite the sepals. 10-40 cm high.
Leafy Mitrewort, Leafy-stem Mitrewort, Slightstemmed Mitrewort, Star-shaped Mitrewort: Mitella caulescens (Synonym: Mitellastrum caulescens) - Heart-shaped leaves 3-5 lobed with teeth on the lobes. l-3 smaller leaves present on the stems. Calyx shallowly saucer-shaped with green petals which are linear with 4-8 thin side branches (fringes). Stamens opposite the sepals. 10-40 cm high.
Angle-leaved Mitrewort, Varied-leaved Mitrewort: Mitella diversifolia (Synonym: Ozomelis diversifolia) -
Coastal Bishop's Cap, Coastal Mitrewort, Oval-leaved Mitrewort: Mitella ovalis (Synonym: Pectiantia ovalis) - Heart-shaped leaves 1.5-4 cm long, up to 2 cm wide. Margins indistinctly lobed. Calyx is saucer-shaped with green, linear petals with 1-2 side branches (fringes). Stamens opposite sepals. Plants 15-30 cm tall.
Alpine Mitrewort, Five-stamen Bishop's-cap, Fivestamen Mitrewort, Five-stamen Mitrewort: Mitella pentandra (Synonym: Pectiantia pentandra) - Leaf blades ovate and heart-shaped and about 5 cm long and wide. Margins shallowly lobed. Calyx is broadly saucer-shaped with 5 green, linear petals with 6-8 side branches (fringes). Stamens opposite the petals. Plants 20-50 cm high.
Pacific Mitrewort, Three-parted Mitrewort, Three-tooth Mitrewort, Three-toothed Mitrewort: Mitella trifida (Synonym: Ozomelis trifida) - Leaf blades orbicular with indistinct, toothed lobes. Stems without leaves. Racemes may or may not be weakly positioned on one side of stem. Petals white with 3 lobes or teeth at the tip. Stamens opposite the sepals. Plants 15-35 cm high.