Luzula arcuata is a species of flowering plant in the rush family Juncaceae with the modern common name curved wood-rush (formerly curved mountain hair-rush).James Edward Smith & James Sowerby, English Botany. New Edition, Vol. 3, 1836. Page 68, Tab 518* Supplement Index: "Tab. 2718 - "Luzula campestris" var". Plate erroneously engraved 2719. The plant is native to mountains of northern Europe, north-western and north-eastern Asia and north-western North America.
Description Luzula arcuata is a short (up to 10 cm), tufted, shortly rhizomatous, grass-like perennial herb. Leaves channelled, hairy. The longer flower stalks droop, curving downwards.
Distribution It has a very local distribution, confined to open ground and mountain summit plateaux above that are sufficiently exposed to be kept snow-free. Its native distribution includes Iceland, Svalbard, northern Norway and Scottish mountains and mountains of Western North America and the Kamchatka peninsula.
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