Erect, hispid herb, 45-75 cm long; leaves alternate, broadly lanceolate to linear, midrib prominent beneath, upper leaves sessile, lower leaf base narrowed to from petiole like structure; racemes often long, slightly curved with all flowers shortly pedicelled, branches unequal, strigose; flowers bracteate, very small, white, with bluish or purple eyes, 4 mm in diam; calyx campanulate, deeply 5 lobed, enlarged in fruit; corolla urceolate, pink, tube short with 5 obtuse or emarginate scales in the throat; stamens-5, included beneath the scales, anthers small, ovate; ovary lobes-4, style short; nutlets-4, obovoid, forming a pyramid, densely glochidiate all over.