Commemorating John Browall (1705–55), Bishop of Abo, Sweden, a magistrate, botanical writer and a friend and supporter of Linnaeus’ sexual plant classification scheme.

Annual or perennial herbs and shrubs. Leaves alternate or in pairs, simple, ovate. Flowers axillary, solitary, irregular. Calyx cylindrical, 5-lobed. Corolla salver-shaped, with a straight, 15-ribbed floral tube that is white or blue to violet. Fertile stamens 4, attached in the upper part of the tube. Fruit capsule splitting at the tip and enclosed within the calyx.

Generally grown as summer-flowering bedding plants, occasionally as pot plants or in hanging baskets. Widely naturalised in the tropics; B. americana naturalised in Queensland.

B. jamesonii is now referred to Streptosolen jamesonii.

Seed.

Flower tube cylindrical; fruit capsule enveloped by the calyx.

3 species from tropical South America.

Symon (1981a).

Source: Spencer, R. (2002). Solanaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.