Trees and Shrubs of the Pacific Northwest by Mark Turner

Trees and Shrubs of the Pacific Northwest by Mark Turner

Author:Mark Turner
Language: eng
Format: epub
Publisher: Timber Press
Published: 2014-02-28T05:00:00+00:00

Polygonum shastense

POLYGONACEAE

SHASTA KNOTWEED

Native, locally common, blooms mid summer, 2–16 in. Rocky sites, subalpine, high elevation

Subshrub, stems trailing to erect, not wiry, stipules deciduous. LEAVES deciduous, alternate, oval to lance-shaped, 0.2–1 in. long, midrib on lower surface non-hairy, edges rolled under, tip pointed, stipules 0.2 in. long. FLOWERS in few-flowered clusters in leaf axils, flowers bell-shaped, 0.2–0.4 in. long, tepals white to pink. FRUIT achene, brown, shiny. ECOLOGY grows in rocky or gravelly areas within lodgepole pine or subalpine forests.



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