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FNA | Family List | FNA Vol. 8 | Ericaceae

26. Phyllodoce Salisbury, Parad. Lond. 1: plate 36. 1806.

Mountain heather [A sea-nymph in Greek mythology, allusion obscure] Mountain heather [A sea-nymph in Greek mythology, allusion obscure]

John G. Packer, A. Joyce Gould

Shrubs. Stems spreading to erect, (much-branched); young branches usually glandular-hairy, older branches glabrous or puberulent, (roughened peglike projections remaining after fall of leaves, exfoliating). Leaves persistent, alternate; petiole present; blade coriaceous, margins entire, serrulate, or glandular-serrulate, (appearing revolute, abaxial surface less than 1/3 visible). Inflorescences terminal, umbellate, corymbiform, or spikelike clusters, 2-30-flowered, sometimes flowers solitary; perulae absent. Flowers bisexual, radially symmetric, sepals 5, connate basally; petals 5, connate for 1/2+ their lengths, corolla deciduous, urceolate, campanulate, or cylindric; stamens (8-)10, included or exserted; anthers not awned, dehiscent by terminal slits; ovary 5-locular; style included or exserted; stigma capitate. Fruits capsular, broadly ovoid to globose, dehiscence basipetally septicidal. Seeds 100+, ellipsoid, narrowly winged, not tailed; testa smooth. x = 12.

Species 8 (5 in the flora): North America, Eurasia.

SELECTED REFERENCE Watson, T. J. 1977b. An analysis of populations formed by hybridization between Phyllodoceempetriformis and P. glanduliflora (Ericaceae). Rhodora 79: 1-16.


1 Corollas yellow or yellowish green   (2)
+ Corollas purple, pink, or white   (3)
       
2 (1) Corollas not glandular; filaments glabrous.   1 Phyllodoce aleutica
+ Corollas glandular; filaments hairy   5 Phyllodoce glanduliflora
       
3 (1) Corollas urceolate, constricted at mouth, sepals glandular abaxially, margins not ciliate.   3 Phyllodoce caerulea
+ Corollas campanulate, not constricted at mouth; sepals glabrous abaxially, margins ciliate   (4)
       
4 (3) Stamens exserted.   2 Phyllodoce breweri
+ Stamens included.   4 Phyllodoce empetriformis

Lower Taxa


 

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