Northern Prairie Wildlife Research Center
Western Wetland Flora
Field Office Guide to Plant Species
Kalmia polifolia Wangenh.
- Family: Heath (Ericaceae)
- Flowering: May-July
- Field Marks: This low-growing laurel is distinguished by its narrow, opposite, evergreen leaves that are more than twice as long as broad.
- Habitat: Wet meadows, bogs, swamps.
- Habit: Low-growing, spreading shrub.
- Stems: Much branched, up to 12 inches long, smooth or hairy.
- Leaves: Opposite, simple, evergreen, linear to oblong, pointed at the tip, tapering to the nearly sessile base, dark green above, more or less glaucous below, up to 1 inch long, less than 1/2 inch wide, smooth or slightly hairy, without teeth bu
- Flowers: Few in terminal clusters, 3/4-1 inch across, on smooth, slender stalks up to 1 3/4 inches long.
- Sepals: 5, green, united below, 1/3-1/2 inch long, smooth, the lobes oblong to ovate.
- Petals: 5, united to form a saucer, rose-purple, 3/4-1 inch across.
- Stamens: 10, not exserted beyond the petals.
- Pistils: Ovary superior, smooth; style slender.
- Fruits: Capsules spherical, up to 1/3 inch in diameter, smooth, subtended by the persistent sepals.
- Notes: This species is sometimes combined with K. microphylla.
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