Vaccinium tenellum |
Ericaceae subfam. vaccinioideae |
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small black blueberry, southern blueberry |
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Habit | Plants forming extensive, open colonies, 1–7.5 dm; twigs yellowish green, ± terete, hairy. | |
Stems | erect, arching, spreading, creeping, or procumbent. |
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Leaves | deciduous, rarely persistent; blade green, spatulate to elliptic, 13–40 × 3–17 mm, subcoriaceous, margins sharply to obscurely serrate, surfaces glandular abaxially, hairy especially when young, rarely glabrous. |
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 pale green, sometimes hairy; corolla usually white tinged with pink, cylindric, 5–9 mm; 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, 6–8 mm diam., sometimes puberulent. |
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Seeds | 5–25, 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 tenellum |
Ericaceae subfam. vaccinioideae |
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Phenology | Flowering winter–spring. | |
Habitat | Dry sand hills, pine barrens, scrubby oak woods, open pine parkland, and flatwoods subject to burning | |
Elevation | 0-200 m (0-700 ft) | |
Distribution |
AL; FL; GA; MS; NC; SC; VA
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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. 528. | FNA vol. 8, p. 496. |
Parent taxa | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Cyanococcus | Ericaceae |
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | Cyanococcus tenellus | |
Name authority | Aiton: Hort. Kew. 2: 12. 1789 , | Arnott: M. Napier, Encycl. Brit. ed. 7 5: 118. (1832) — (as Vaccinieae) |
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