angustifolia [Russian olive]
Elaeagnus angustifolia is a usually thorny shrub or small tree growing to 5–7 metres (16–23 ft) in height. Its stems, buds, and leaves have a dense covering of silvery to rusty scales. The leaves are alternate, lanceolate, 4–9 cm (1 1⁄2–3 1⁄2 in) long and 1–2.5 cm (3⁄8–1 in) broad, with a smooth margin. The highly aromatic flowers, produced in clusters of one to three, and are 1 cm long with a four-lobed creamy yellow calyx; they appear in early summer and are followed by clusters of fruit, a small cherry-like drupe 1.0–1.7 cm (13⁄32–21⁄32 in) long, orange-red covered in silvery scales. The fruits are edible and sweet, though with a dryish, mealy texture.