×dupoa

Plants perennial; rhizomatous. Culms 25-80 cm, glabrous, often glaucous, with 2-4 nodes. Sheaths closed for 1/3-2/3 their length, glabrous, not conspicuously glaucous; auricles absent; ligules membranous, whitish- or yellowish-brown, acute to obtuse, lacerate to erose, ciliate; blades glabrous. Inflorescences panicles. Spikelets with (1)2-3(4) florets. Glumes usually not exceeding the florets, glabrous, often glaucous, acute to acuminate; calluses bearded, hairs often crinkled below the keel and/or absent from the sides; lemmas usually scabrous, sometimes smooth towards the base, acute; paleas smooth or slightly scabrous; anthers 3, indehiscent. Caryopses absent.

Distribution

Nfld. and Labr. (Nfld.), Que., Alaska

Discussion

×Dupoa is a sterile hybrid between Dupontia and Poa. Only one species is known.

Selected References

Aiken, S.G., L.L. Consaul, and M.J. Dallwitz. 1995 on. Grasses of the Canadian Arctic Archipelago: Descriptions, illustrations, identification and information retrieval, http://www.mun.ca/biology/delta/arcticf/poa/index.htm

Cayouette, J. and S.J. Darbyshire. 1993. The intergeneric hybrid grass "Poa labradorica". Nordic J. Bot. 13:615-629

Darbyshire, S.J., J. Cayouette, and S.I. Warwick. 1992. The intergeneric hybrid origin of Poa labradorica Steudel (Poaceae). PI. Syst. Evol. 181:57-76.

Lower Taxa

×dupoa labradorica