E-Flora BC: Electronic Atlas of the Flora of British Columbia

Ozomelis trifida
three-toothed mitrewort
Saxifragaceae (Saxifrage family)

Introduction to Vascular Plants

© Ian Cumming  Email the photographer   (Photo ID #4917)

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Distribution of Ozomelis trifida
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Species Information

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Perennial herb from slender rhizomes; stems erect, clustered, 15-35 cm tall, fine glandular-hairy to hairy.
Basal leaves nearly round, with heart-shaped bases, 2-6 cm wide, slightly shorter, indistinctly 5- to 7-lobed, round-toothed, long-stalked; stem leaves absent or of 1 or 2 membranous bracts.
Inflorescence a closely-flowered spike-like cluster of 10 to 20 flowers, blossoming upward, the flower stalks stout, 0.5-2 mm long; petals white to purplish-tinged, clawed, the blades 3-lobed, the lobes elliptic; calyces broadly bell-shaped, 1.5-3 mm long, joined to ovary for part of length; free hypanthium thinly gland-lined, somewhat spreading; calyx lobes 5, oblong to egg-shaped, erect to spreading, thin, whitish or purplish-tinged; stamens 5, opposite the calyx lobes.
Capsules; seeds black, veiny-pitted.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist woodlands, forests and open slopes in the montane zone; locally frequent on S Vancouver Island and S BC, disjunct and infrequent in WC BC; N to AK, E to AB and S to MT, ID and CA.

Source: The Illustrated Flora of British Columbia

Synonyms and Alternate Names

Mitella trifida Graham

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References