aspen

any of several trees of the genus Populus having leaves on flattened stalks so that they flutter in the lightest wind

नीम के पुराने वृक्षों से एक प्रकार का रस निकलता है जो उच्च कोटि का रक्तशोधक माना जाता है|

Aspen is a type of poplar tree.