Kalmia procumbens

(Linnaeus) Gift, Kron & P. F. Stevens ex Galasso, Banfi & F. Conti

F. Conti et al., Annot. Checkl. Ital. Vasc. Fl. 20. 2005.

Common names: Alpine or trailing azalea
Basionyms: Azalea procumbens Linnaeus Sp. Pl. 1: 151. 1753
Synonyms: Chamaecistus procumbens (Linnaeus) Kuntze Loiseleuria procumbens (Linnaeus) Desvaux Rhododendron procumbens (Linnaeus) Alph. Wood
Treatment appears in FNA Volume 8. Treatment on page 485. Mentioned on page 372, 480, 481.

Shrubs much-branched and mat-forming, ca. 0.1 m. Twigs terete or slightly 2-angled proximal to node, glabrous or sparsely hairy. Leaves opposite; petiole absent or 0.1–2 mm, glabrous or puberulent; blade ovate or oval to narrowly lanceolate, 0.3–0.8 × 0.2–0.4 cm, margins revolute, apex obtuse, abaxial surface tomentulose, adaxial glabrous or sparsely puberulent toward base, midribs with stalked glands/purple clavate trichomes. Inflorescences terminal, corymbiform racemes or umbels, 2 (–6) -flowered, sometimes flowers solitary. Pedicels 5–20 mm. Flowers: sepals crimson, ovatelanceolate, 1.2–1.5 mm, apex obtuse, surfaces glabrous, margins ciliate; petals (spreading), connate ca. 1/2 their lengths, light to deep pink or white, 3–5 × 2–3.5 mm, glabrous; stamens 5; filaments 2–3 mm; style 0.5–0.8 mm. Capsules 2–3-locular, 3–4 × 3–4 mm, glabrous. Seeds winged, oblong, 0.5–1.4 mm. 2n = 24.


Phenology: Flowering Jun–Aug.
Habitat: Dry to moist, subarctic, arctic, and alpine tundra, coastal marshes
Elevation: 0-2500 m

Distribution

V8 950-distribution-map.gif

Greenland, Alta., B.C., Man., Nfld. and Labr., N.W.T., Nunavut, Ont., Que., Sask., Yukon, Alaska, Maine, N.H., N.Y., Wash., Wyo., n, c Europe, n Asia

Discussion

Kalmia procumbens is the only species of the genus that is not endemic to North America. An attractive dwarf shrub, it is sometimes cultivated in rock gardens.

Selected References

None.

Lower Taxa

None.

"entire" is not a number.

... more about "Kalmia procumbens"
puberulent +  and glabrous +
Shunguo Liu +, Keith E. Denford +, John E. Ebinger +, John G. Packer +  and Gordon C. Tucker +
(Linnaeus) Gift, Kron & P. F. Stevens ex Galasso, Banfi & F. Conti +
furrowed +  and smooth +
not flaky +
Azalea procumbens +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
oval;narrowly lanceolate +
coriaceous +
0.2cm;0.4cm +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Alpine or trailing azalea +
polypetalous +  and sympetalous +
rotate to crateriform campanulate cylindric globose or urceolate +
Greenland +, Alta. +, B.C. +, Man. +, Nfld. and Labr. +, N.W.T. +, Nunavut +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +, Maine +, N.H. +, N.Y. +, Wash. +, Wyo. +, n +, c Europe +  and n Asia +
0-2500 m +
undifferentiated +
fusiform +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
light +  and deep pink or white +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
pendulous +  and erect +
2mm +  and 3.5mm +
subglobose;globose +
Dry to moist, subarctic, arctic, and alpine tundra, coastal marshes +
multicellular +
terminal +  and axillary +
persistent +
10-keeled +  and rotate +
revolute;plane;toothed;entire;revolute;plane;toothed;entire +
parietal +, axile +  and placentation +
tenuinucellate +  and unitegmic +
2-40-flowered +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
distinct +  and connate +
reduced +
not sticky +
puberulent +  and glabrous +
Flowering Jun–Aug. +
4-5-carpellate +
F. Conti et al., Annot. Checkl. Ital. Vasc. Fl. +
2(-6)-flowered +  and corymbiform +
distinct +
0.5mm +  and 1.4mm +
ovatelanceolate +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
procumbent +  and prostrate +
creeping +  and sprawling +
peltate +  and capitate +
straight +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
Chamaecistus procumbens +, Loiseleuria procumbens +  and Rhododendron procumbens +
Kalmia procumbens +
species +
hairy +  and glabrous +
2-angled +  and terete +
2(-6)-flowered +  and corymbiform +
evergreen +, deciduous +  and perennial +
shrub +  and mat-forming +
heterotrophic +, autotrophic +  and mycotrophic +