rubus fruticosus 'black satin' with berries grows in august. berlin, germany

agriculture berlin berry black satin blackberries botanical botany branch bush color edible fruit european blackberry species flora food freshness fruticosus garden genus rubus germany green leaves natural organic outdoor petal pink plant plants red ripe ripen rose family season summer antioxidant berries bramble bunch eating growing growth 39aph39black satin39aph39 grows august ambiguous name