Argyreia acuta Lour. is a whole plant entwined vine of the Convolvulaceae family, with ovate to elliptical leaves, a weak stem, multiple branches and vines, opposite leaves, pointed or blunt edges, and a dense silver soft hair covering the lower surface The inflorescence limb has obvious sharp and fine serrations on the edge, without spikes, and is short or terminal on both sides The corolla is funnel-shaped, white, and covered with silver cord hairs on the outside Purple red flowers with cylindrical corolla tubes The flowering period is from June to September, and the fruiting period is from September to December.
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