It belongs to the Combretaceae Family, with the Latin name ofCalycopteris floribunda.
The large evergreen trailing liana, which is 5 to10 meters long and with a stem diameter of 5 to 10 centimeters, can attain its maximal height of up to 20 meters. It bears grey barks and tenuous branches with thick fluffs on the surface. The keratinous leaves, ovoid or oval, are 5 to 12 centimeters long. The raceme is borne on the axle or the top of branches, forming a large cymose anthotaxy. The bracts of the small flowers are ovoid or oval, with thick fluffs on the surface. The 10 stamens are arranged in 2 cycles. The fruit inception bears 1 ventricle and 3 pendulous ovules inside. The fluffy sham-winged fruit, which is about 8 millimeters long, has 5 edges and 5 persistent calyxes which enlarges into the fluffy aliform with 10 to 14 millimeters in length.
It's native to Asian tropic mountainous regions with high temperature, abundant rainfall and distinct difference between dry and wet seasons. The pH value of the latosol there is 4.5 to 5.5. It blossoms from March to April, and fructifies from June to August.
In ChinaErchi Vine is only found on the backside of Nabangba Mountain 300 to 650 meters above sea level, in Yingjiang County of Yunnan Province. It's also found in Burma, India and Singapore. Its distribution in China forcefully proves that the west of Yunnan Province belongs to thetropical north-edge climate zone, which is of great value for scientific research. Its leaves can be made into tonics and medicines for detoxification. The fruits can be made into excitant.
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