Polygonaceae

Polygonum phytolaccifolium

Alpine Knotweed

Stems erect, stout. Leaves hairless, 4–10 in. long with wide bases or heart-shaped tapering to a sharp tip. Flowers in loose, nearly leafless, branched inflorescence, white to greenish white. Grows in seasonally moist meadows, near subalpine or alpine springs, rocky places, at high elevations.

• Rarity: Locally Common
• Flowering Time: All Summer
• Life Cycle: Perennial
• Height: 20--40 inches
• Habitat: Subalpine, Meadow
• Found In: Wallowas, N Cascades Np
• Native: Yes