Koenigia phytolaccifolia
Polygonaceae
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: Early Summer, Mid Summer, Late Summer
- Flower Form: 4-6 petals, flowers in clusters
- Life Cycle: Perennial
- Height: 20–40 inches
- Habitat: Meadow, Subalpine
- Found In: N Cascades NP, Wallowas
- Native: Yes
- Latin Synonyms: Aconogonon phytolaccifolium, Polygonum phytolaccifolium
