Medicine - The manna obtained from incisions in the stem is a safe and gentle laxative. The young shoots are abortifacient.
Afghanistan, Bhutan, China, India, Myanmar, Nepal, Pakistan
Rich moist soils in forests at altitudes of 1200-2000 m asl.
Features clusters of small flowers and "helicopter seeds". Tender shoots are good fodder and are sometimes used in pickles.
Deciduous tree grow up to 25 m tall.
Trunk up to 50 cm diameter, with grey bark.
Leaves compound, leaves and leaflets opposite, 3 pairs leaflets, margin toothed.
Inflorescence terminal, flowers white, unisexual, male and female on different trees. Fruit is a winged samara. Flowers arranged in a many-flowered inflorescence, terminal, appearing with young leaves, unisexual, on different trees, pedicels less than 0.3 cm long. Fruit is a samara, up to 3.5 cm long, winged at one end.
Fruit a nut, with a long narrow wing 2.5-4 cm long by 3-4 mm wide.
Flowering: February-April