Pistachio is a tree that grows up to 10 m tall. It
has deciduous pinnate leaves 10-20 cm long. The plants are dioecious,
with separate male and female trees. The flowers are without petals and
unisexual and borne in panicles. The fruit is a drupe, containing an
elongated seed, which is the edible portion. The seed, commonly thought
of as a nut, is a culinary nut, not a botanical nut. The fruit has a
hard, cream-colored exterior shell. The seed has a mauve-colored skin
and light green flesh, with a distinctive flavor. When the fruit
ripens, the shell changes from green to an autumnal yellow/red and
abruptly splits partly open. Pistachio comes from Central Asia and
Middle-East.
Identification credit: Ashutosh Sharma
Photographed in Kinnaur distt., Himachal Pradesh.
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The flower labeled Pistachio is ...