This species is indigenous to southern Asia in India and mainland Southeast Asia. It is has been introduced into South China, southern Europe and Turkey.
Shapes
Elliptic to fusiform, 1.2-1.4 mm long
Impatiens balsamina is also known as Balsam weed, Garden Balsam, Garden Touch-me-not, Jewel Weed, Rose balsam, Spotted snapweed, Touch-me-not, Touch Me Not Balsam, Garden Balsam, Impatiens, Garden Balsamine and Jewelweed. Garden Balsam is an annual plant which grows from 60 to 100 cm high. Stem are robust, erect with base measuring 8 mm in diameter. Stems are simple or branched, succulent, glabrous or laxly pubescent when young with fibrous roots and swollen lower nodes. Leaves are alternate, petiole 1-3 cm, leaf blade lanceolate, oblanceolate or narrowly elliptic measuring 4-12 × 1.5-3 cm. Pedicles are 2-2.5 cm, bracteates at base, densely pubescent and linear bracts. Flowers are pink, white or purple and simple or double petalous. Sepals are lateral, ovate to lanceolate about 2 to 3 mm. An upper petal is orbicular, apex retuse and nucronulate. An ovary is fusiform and densely pubescent. Capsule is 1 to 2 cm, broadly fusiform, densely tomentose and is narrowed at both ends. Seeds are globose, tuberculate, black to brown and 1.5 to 3 mm in diameter.