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yellow mountain-heath, yellow mountain-heather

Blue Mountain heath, phyllodoce bleue, purple mountain heather, purple mountain-heath

Habit Plants prostrate or ascending to erect, branched, 2–4 dm; young branches glandular, older branches glabrous. Plants prostrate to ascending or erect, diffusely branched, often matlike, 5–25 cm.
Leaves

spreading, ± imbricate;

blade linear, 4–12 × 1–2 mm, margins densely glandular-serrulate, surfaces glabrous or glandular.

spreading, imbricate;

blade linear to spatulate, 4–10 × 1–1.3 mm, margins finely glandular-serrulate, abaxial surface glabrous or glandular.

Inflorescences

corymbiform, 1–16-flowered.

umbellate, 1–6-flowered.

Pedicels

10–35 mm, densely stipitate-glandular;

bracteoles 2.

10–30 mm, glandular;

bracteoles 2.

Flowers

often nodding;

sepals ovate to lanceolate, 3–4 mm, margins not ciliate, densely glandular abaxially;

corolla yellow or greenish yellow, urceolate, constricted at mouth, 5–8 mm, glandular, lobes reflexed, 1–2 mm;

stamens 9–10, included;

filaments 2.5–3 mm, hairy;

anthers 1–1.5 mm;

ovary ovoid, 2–2.5 mm (3.5 mm wide), glandular;

style included, 3–4.5 mm.

nodding;

sepals linear to lanceolate, 3–4 mm, margins not ciliate, glandular abaxially;

corolla purple, urceolate, constricted at mouth, 4–9 mm, glandular, lobes recurved, ca. 1 mm;

stamens 8–10, included;

filaments 3–3.5 mm, glabrous;

anthers 1.2–1.5 mm;

ovary globose, 2–2.5 mm, glandular;

style included, 4–5 mm.

Capsules

5-valved, globose, 2.5–4 mm, densely glandular.

5-valved, globose, 2.5–3.5 mm, glandular.

2n

= 24.

= 24.

Phyllodoce glanduliflora

Phyllodoce caerulea

Phenology Flowering Jul–Aug. Flowering Jul–Aug.
Habitat Moist subalpine to alpine slopes Rocky tundra, early-melting alpine snowbeds
Elevation 900-3500 m (3000-11500 ft) 0-700(-1800) m (0-2300(-5900) ft)
Distribution
from FNA
AK; MT; OR; WA; WY; AB; BC; NT; YT
[WildflowerSearch map]
[BONAP county map]
from FNA
AK; ME; NH; MB; NL; NS; NT; NU; ON; QC; Greenland; n Europe; e Asia (Japan, Russian Far East)
[WildflowerSearch map]
[BONAP county map]
Discussion

Phyllodoce glanduliflora hybridizes with P. aleutica and with P. empetriformis.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Phyllodoce caerulea hybridizes with P. aleutica.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 8, p. 478. FNA vol. 8, p. 477.
Parent taxa Ericaceae > subfam. Ericoideae > Phyllodoce Ericaceae > subfam. Ericoideae > Phyllodoce
Sibling taxa
P. aleutica, P. breweri, P. caerulea, P. empetriformis
P. aleutica, P. breweri, P. empetriformis, P. glanduliflora
Synonyms Menziesia glanduliflora, P. aleutica subsp. glanduliflora Andromeda caerulea
Name authority (Hooker) Coville: Mazama 1: 196. 1897 , (Linnaeus) Babington: Man Brit. Bot., 194. 1843 ,
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