black bindweed 荞麦蔓
black bindweed[ noun ]
common European twining vine with tuberous roots and cordate leaves and red berries
<noun.plant>
Bindweed \Bind"weed`\, n. (Bot.)
A plant of the genus {Convolvulus}; as, {greater bindweed}
({Convolvulus Sepium}); {lesser bindweed} ({Convolvulus
arvensis}); the {white bindweed}, the {blue bindweed}, the
{Syrian bindweed}. The black bryony, or {Tamus}, is called
{black bindweed}, and the {Smilax aspera}, {rough bindweed}.
The fragile bindweed bells and bryony rings.
--Tennyson.