Vaccinium myrtilloides |
Ericaceae subfam. vaccinioideae |
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bleuet fausse-myrtille, sour-top blueberry, sourtop, velvet-leaf blueberry, velvetleaf huckleberry |
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Habit | Plants forming ± open colonies, 1–11.5 dm; twigs greenish brown, terete, pilose or hairy. | |
Stems | erect, arching, spreading, creeping, or procumbent. |
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Leaves | deciduous; blade green, elliptic, 23–35 × 8–16 mm, membranous to subcoriaceous, margins entire, surfaces ± densely hairy (sometimes mostly on veins), eglandular, sometimes glabrescent. |
deciduous or persistent, alternate, sometimes pseudoverticillate (Pieris); petiole usually present, sometimes absent (some species of Vaccinium); blade plane, abaxial groove absent. |
Inflorescences | usually axillary, sometimes terminal, usually panicles or racemes, sometimes corymbs or fascicles, sometimes solitary flowers, (borne on leafy twigs, except Zenobia on leafless twigs); perulae absent; bracts much shorter than sepals (sometimes absent). |
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Flowers | calyx green, glabrous, (eglandular); corolla greenish white to pink, urceolate, 3–5 mm, (eglandular); filaments usually hairy. |
pendulous; perianth and androecium hypogynous or epigynous (Gaylussacia, Vaccinium); sepals (4-)5[-8]; petals 4-5(-6), connate (rarely distinct or nearly so in some species of Vaccinium), corolla deciduous, campanulate, cylindric, or urceolate, lobes usually much shorter (sometimes longer) than tube; intrastaminal nectary disc absent or present; stamens 8-10[-16]; anthers dehiscent by terminal pores or short slits; ovary 5- or 10-locular; placentation axile; style straight. |
Fruits | capsular, dehiscence loculicidal, or baccate or drupaceous, indehiscent. |
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Berries | blue, glaucous, 6–8 mm diam., glabrous. |
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Seeds | 10–40, ca. 1 mm. |
2-300, distinct, ovoid or obovoid to ellipsoid, lanceoloid, or conic, to angular or wedge- or crescent-shaped, usually not winged, sometimes slightly winged or tailed. |
2n | = 24. |
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Vaccinium myrtilloides |
Ericaceae subfam. vaccinioideae |
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Phenology | Flowering late spring–early summer. | |
Habitat | Open or disturbed sites in boreal forest, muskegs, bogs, barrens, headlands, outcrops, mountain meadows | |
Elevation | 0-1700 m (0-5600 ft) | |
Distribution |
CT; IA; IL; IN; MA; ME; MN; MT; NH; NY; OH; PA; VT; WI; WV; AB; BC; LB; MB; NB; NS; NT; ON; PE; QC; SK
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Nearly worldwide; especially arctic; temperate; and alpine areas; also very diverse in neotropical cloud forests |
Discussion | Genera 46, species ca. 1600 (12 genera, 58 species in the flora) (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 8, p. 529. | FNA vol. 8, p. 496. |
Parent taxa | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Cyanococcus | Ericaceae |
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | Cyanococcus canadensis, V. angustifolium var. myrtilloides, V. canadense | |
Name authority | Michaux: Fl. Bor.-Amer. 1: 234. 1803 , | Arnott: M. Napier, Encycl. Brit. ed. 7 5: 118. (1832) — (as Vaccinieae) |
Web links |