This has a tall stem, glabrous and reddish, ascending to erect. Flowers are 4- (occasionally 5-) lobed, green-white to pink, in axillary or terminal, often nodding spikes. Leaves are narrowly to broadly lanceolate, < 12 cm long with long, tapered, sharp tips. Leaves may have dark blotches on their surfaces. The stems have sheaths (ocrea), 4–24 mm long, brownish, glabrous or ciliate but without noticeable bristles.