Vaccinium cylindraceum, known by its common names such as Azores blueberry, (Portuguese: uva-da-serra, uva-do-mato) is a species of Vaccinium endemic to the Azores.
Description The plant can be propagated by seed or by cuttings. It forms a shrub reaching up to in height. The leaves are semi-deciduous, elongated with sharp tips, and serrated. Initially red, the apical shoots may have a bright red colour.
The plant is a hermaphrodite. The plant flowers between May and June. The flowers are trumpet-shaped, with a pinkish white colour, and usually occur in clusters. In autumn the leaves may change to a reddish-yellow. The fruit is a cylindrical black pseudo-berry up to long; it is fleshy and juicy. The plant has a diploid set of genes, with a total of 48 chromosomes.
Distribution and habitat This plant is endemic to the Azores, where it can be found on all islands except Corvo and Graciosa.
This species can be found at elevations between . It grows best in acidic, loam, well-drained soil and can grow in little to no shade.
Uses The species has gained the Royal Horticultural Society's Award of Garden Merit as an ornamental.
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