wild buckwheat
Polygonum convolvulus                                        

Identifying Characteristics:

Seed:   sharply triangular seed; smooth, dull surface; dark gray to brown colored; hull is light tan with venation

Seedling:  heart-shaped leaves with sharply pointed corners; ocrea at leaf base; glabrous leaves and stem; glossy appearance

Mature Plant: climbing or trailing growth habit; terminal and axillary clusters of small green flowers

Method of Propagation: seed

Life Cycle: warm-season annual

Similar Species: tall morningglory, wild buckwheat - compare leaf shape, flower arrangement and pubescence

References: Abaye, A. Ozzie. "Identification & Adaption: Common Grasses, Legumes & Non-leguminous Forbs of the Eastern United States."
Bryson, Charles T. & Michael S DeFelice. "Weeds of the Midwestern United States & Central Canada."