Blackberry, Bramble, Dewberry
Kingdom: Plantae, Division: Tracheophyta, Class: Magnoliopsida, Order: Rosales, Family: Rosaceae, Genus: Rubus, Species: Rubus fruticosus · Rosaceae (Rose family) · Compound (palmate to pinnate trifoliate or pentaphyllous), deciduous

Species
Rubus fruticosus
Leaf Type
Compound (palmate to pinnate trifoliate or pentaphyllous), deciduous
Family
Rosaceae (Rose family)
Shape
Ovate to elliptic leaflets with acute tips and rounded to cuneate bases, typically featuring 5 leaflets per compound leaf
Size
Each individual leaflet is approximately 2 to 4 inches long and 1 to 2.5 inches wide, which is standard for mature fruiting canes of this species
Margin
Serrate to sharply doubly serrate margins with pronounced teeth
Arrangement
Alternate arrangement along arching, prickly stems known as floricanes or primocanes
Rarity
Very Common, frequently forming dense, impenetrable thickets in the wild and cultivation
Color & Pattern
Vibrant medium to dark green on the upper adaxial surface, with a paler, sometimes greyish-green and slightly pubescent lower abaxial surface; no variegation or abnormal markings
Venation Pattern
Pinnate venation with a prominent, raised pale midrib and clearly defined lateral veins branching outwards in a reticulate net-like pattern
Texture & Surface
Slightly rugose (wrinkled) texture with a matte to semi-glossy upper surface and fine hairs along the veins on the undersides
Description
The blackberry plant is a vigorous, scrambling shrub that produces arching, prickly stems armed with sharp prickles. Known for its deeply textured compound leaves and brilliant white or pale pink flowers, it produces juicy, highly sought-after aggregate fruits that transition from green to red and finally to a deep, glossy black when ripe in late summer.
Key Features
Compound leaves typically with five leaflets, sharp prickles along the stems, sharply toothed leaf margins, and a sprawling, scrambling growth habit
Habitat
Thrives in disturbed areas, woodland edges, hedgerows, clearings, and damp to well-drained soils in full sun to partial shade
Geographic Range
Native to Europe and parts of Asia, but widely naturalized, introduced, and often invasive in temperate regions worldwide including North America, Australia, and New Zealand
Condition Notes
Excellent overall health, displaying turgid, hydrated tissues with visible guttation droplets along the serrated margins and no signs of pest damage, chlorosis, or fungal diseases
Interesting Facts
Despite common reference to blackberry 'berries', botanically the fruit is not a true berry at all, but rather an aggregate fruit composed of many small drupelets. The stems are technically called canes and typically live for only two years
Medicinal & Uses
Leaves have been traditionally used in herbal teas and astringent washes to soothe sore throats and minor digestive issues. The fruit is rich in vitamins C and K, manganese, and antioxidants, and is widely used in jams, pies, and fresh consumption
Ecological Role
Provides critical nesting cover and dense thicket protection for birds and small mammals. The flowers are an important nectar source for bees and various pollinators, while the fruit is consumed by a wide array of wildlife
Similar Species
Raspberry (Rubus idaeus), which typically features paler undersides covered in white felt-like hairs and leaves with fewer or differently arranged leaflets, and Dewberry (Rubus trivialis), which has a more trailing, low-growing habit
Foraging Tips
Look for tangled, thorny thickets along forest edges, old fields, and sunny pathways. Late spring and summer offer vibrant green foliage and blossoms, while late summer yields the edible fruit. Always watch out for thorns and verify ownership before foraging
Toxicity Warning
Non-toxic. All parts of the plant are safe, though care should be taken to avoid scratches from the sharp prickles on the stems