Pectis glaucescens, the sanddune cinchweed or tea blinkum, is a species of summer blooming annual plant in the family Asteraceae. It is native to Florida, Hispaniola, Jamaica and the Bahamas.

Pectis glaucescens is a freely-branching annual weed with opposing leaves in narrow rows. Leaves contain rows of oil glands on the lower surface. It has long-stalked yellow flowers with two to five small-scale fruits.

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