Vaccinium hirsutum |
Ericaceae subfam. vaccinioideae |
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hairy blueberry, small cluster blueberry, woolly berry, wooly berry |
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Habit | Plants forming open colonies, 2–5(–7.5) dm; twigs green, slightly angled, pilose or hairy. | |
Stems | erect, arching, spreading, creeping, or procumbent. |
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Leaves | deciduous; blade green, elliptic, 23–62 × 10–36 mm, subcoriaceous, margins entire, surfaces densely hairy, eglandular abaxially. |
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, glandular-hairy; corolla white, cylindric, 5–9 mm, (glandular-hairy); filaments 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 | black, 7–9 mm diam., hairy. |
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Seeds | 3–9, 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 | = 48. |
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Vaccinium hirsutum |
Ericaceae subfam. vaccinioideae |
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Phenology | Flowering summer. | |
Habitat | Dry oak-pine ridges and mountain meadows | |
Elevation | 600-1500 m (2000-4900 ft) | |
Distribution |
GA; NC; TN
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Nearly worldwide; especially arctic; temperate; and alpine areas; also very diverse in neotropical cloud forests |
Discussion | Vaccinium hirsutum is uncommon (but not threatened) in Tennessee, rare in North Carolina, and probably extirpated in Georgia. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Genera 46, species ca. 1600 (12 genera, 58 species in the flora) (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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 hirsutus | |
Name authority | Buckley: Amer. J. Sci. Arts 45: 175. 1843 , | Arnott: M. Napier, Encycl. Brit. ed. 7 5: 118. (1832) — (as Vaccinieae) |
Web links |