Page author: David Giblin
Kalmia microphylla var. microphylla
alpine-laurel, bog laurel
WTU specimens
Other herbaria

Distribution: Alaska to California, east to Colorado

Habitat: Sphagnum bogs at moderate elevations to damp alpine meadows and bogs.

Flowers: June-September

Origin: Native

Conservation Status: Not of concern

Description:
General:

Low, evergreen shrub from short rhizomes, seldom over 1 dm. tall, the young stems puberulent, soon becoming glabrous.

Leaves:

Leaves opposite, leathery, entire, dark green above and grayish below, short-petiolate, oblong-lanceolate to linear-elliptic, 1-2 cm. long and less the half as broad.

Flowers:

Flowers terminal on the shoots, long-pedicellate in a leafy-bracted, several-flowered inflorescence; calyx deeply 5-parted, the lobes ovate, 2-3 mm. long; corolla united, 5-lobed, shallowly bowl-shaped, up to 12 mm. broad, deep pinkish-rose; stamens 10, the anthers recessed in grooves in the corolla in the bud; style slender, straight, equaling the stamens; ovary superior.

Fruits:

Capsule 5-celled, sub-globose, 2-3 mm. long.

Accepted Name:
Kalmia microphylla (Hook.) A. Heller var. microphylla
Publication: Bull. Torrey Bot. Club 25(11): 581. 1898.

Synonyms & Misapplications:
Kalmia polifolia Wangenh. ssp. microphylla (Hook.) Calder & Roy L. Taylor
Kalmia polifolia Wangenh. var. microphylla (Hook.) Hall
Additional Resources:

PNW Herbaria: Specimen records of Kalmia microphylla var. microphylla in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Kalmia microphylla var. microphylla checklist entry.

E-Flora BC: Kalmia microphylla var. microphylla atlas page.

CalPhotos: Kalmia microphylla var. microphylla photos.

USDA Plants: Kalmia microphylla var. microphylla information.

3 photographs:
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