Dyschoriste oblongifolia is a herbaceous, rhizomatous, perennial plant growing 10–50 cm (4–20 in) tall.

Leaves are arranged opposite, with an entire or undulate margin, an obtuse or acute tip, a cuneate or attenuate base, and a hairy surface.

D. oblongifolia produces flowers that are subsessile and either solitary or clusters on the stem with bracts that appear similar to the leaves.

Flowers are lavender in color, with five lobes, four stamens, and a style 1.5 cm long.

[4] Dyschoriste oblongifolia is a tolerant plant that can grow in acidic or slightly alkaline soil of sand, loam, or clay.