Unless indicated otherwise, the following attributes are implicit throughout the descriptions, except where the characters concerned are inapplicable.
Plants not caespitose; not vegetatively proliferating by bulbils. Taproot absent. Aerial stems not conspicuously jointed; not filiform. Leaves not distinctly distichous; simple. Stipules absent. Petioles present. Blades herbaceous; without auricles; not septate nodulose; adaxial surface dull. Leaf margins entire; glabrous. Conspicuous hydathodes absent. Plants bisexual.
Flowering culm nodes not rooting at the lower nodes. Flag leaf sheaths not inflated. Leaf or reduced bract closely associated with the base of the inflorescence persistent; without calloused tip. Flowers in inflorescences. Inflorescence without bulbils. Bisexual spike(s) without empty bracts at the base. Involucral bracts absent. Flowers actinomorphic. Floral scales not reflexed; not falling early. Callus not differentiated. Perianth present. Calyx present; herbaceous. Petals present; without contrasting markings; not tipped with an awn-like bristle; longer than the calyx. Styles present. Styles base not enlarged, continuous with the achene. Placentation axile. Fruit not surrounded by a perigynium. Perigynia not inflated; not keeled; apex not bidentate. Fruit without calyx persisting; glabrous.
Distribution. Canada.
Cite this publication as: ‘S.G. Aiken, M.J. Dallwitz, L.L.Consaul, R.L. Boles, R. Elven and M.E. LeBlanc. 2001 onwards. Flora of the Canadian Arctic Archipelago. Volume 1. Pteridophytes and Monocotyledons: Descriptions, Illustrations, Identification, and Information Retrieval. Version: 16th March 2001. http://www.mun.ca/biology/delta/arcticf/’. Dallwitz (1980), Dallwitz, Paine and Zurcher (1993, 1995, 2000), and Aiken, Dallwitz et al. (1999) should also be cited (see References).