# American Bistort (*bistorta bistortoides*) The American Bistort is a striking perennial herb native to the high-elevation meadows and alpine tundras of western North America. Rising on slender, upright stems from a thick, twisted underground rhizome, this resilient wildflower is celebrated for its dense, cylindrical clusters of small, white to pale pink blossoms. It serves as a classic indicator of healthy alpine ecosystems and is often found growing alongside other moisture-loving mountain flora, forming spectacular displays of summer blooms. - **Category:** [Plants](https://www.snappit.app/explore/categories/plant) - **Rarity:** Common - **Danger:** 1/5 · Very low - **Snaps:** 3 - **Habitat:** Found in moist mountain meadows, marshy areas, and subalpine to alpine tundras of western North America. ![American Bistort](https://inaturalist-open-data.s3.amazonaws.com/photos/208567976/medium.jpg) Photo: Douglas Goldman, CC BY-SA 4.0 · [iNaturalist](https://www.inaturalist.org/photos/208567976) ## Appearance American Bistort is characterized by its tall, unbranched stems reaching 20 to 80 cm in height, tipped with a single, dense, cotton-swab-like flower spike that is 2 to 8 cm long. The spike is packed with dozens of tiny, five-lobed white or occasionally light pink flowers, which exhibit prominent protruding stamens that give the cluster a fuzzy appearance. Its leaves are primarily basal, oblong to lance-shaped with long petioles, and possess a leathery texture, while the few upper stem leaves are much smaller and clasp the stem directly. ## Taxonomy - **Kingdom:** Plantae - **Phylum:** Tracheophyta - **Class:** Magnoliopsida - **Order:** Caryophyllales - **Family:** Polygonaceae - **Genus:** Bistorta ## Interesting facts - Indigenous peoples of the Rocky Mountains boiled or roasted the starchy roots, which are said to have a nutty flavor similar to chestnuts. - The common name 'bistort' translates to 'twice-twisted' in Latin, which directly references the unique, S-shaped contortions of its underground rootstock. - The seeds of the American Bistort can be ground into a fine flour, which was historically used by Native Americans as a soup thickener and for baking bread. ## Special abilities - **Subalpine Cold Tolerance:** Thrives in harsh high-altitude climates, surviving freezing nighttime temperatures and a very short summer growing season. - **Starch-Rich Rhizomes:** Utilizes thick, twisted underground stems to store complex carbohydrates, allowing rapid regrowth after the snow melts. - **Mass-Bloom Attraction:** Produces a high density of florets in a single spike, maximizing visibility to scarce alpine pollinators in windy conditions. ## Measurements & details - **Length:** 20-80 cm - **Lifespan:** 3-15 years ## Diet & Feeding As a photoautotrophic plant, it produces its own energy by utilizing chlorophyll to convert sunlight, carbon dioxide, and water into sugars. - **Primary Foods:** Sunlight, Carbon dioxide, Water, Soil nutrients ## Ecological connections - **Eaten by:** [Grizzly Bear](https://www.snappit.app/explore/grizzly-bear) (*Ursus arctos horribilis*) — Grizzly bears dig up and consume the nutrient-dense, starchy rhizomes in subalpine meadows during the spring and summer. - **Eaten by:** American Pika (*Ochotona princeps*) — American Pikas harvest and dry the stems and leaves of the plant to store in their winter haypiles. - **Mutualism:** Western Bumble Bee (*Bombus occidentalis*) — Various alpine bumblebees visit the dense flower heads for pollen and nectar, facilitating pollination. ## Safety **Danger:** 1/5 · Very low No special safety notes yet. ## Frequently Asked Questions ### How to identify American Bistort? Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details. ### How long is American Bistort? 20-80 cm ### How long does American Bistort live? 3-15 years ### What does American Bistort eat? As a photoautotrophic plant, it produces its own energy by utilizing chlorophyll to convert sunlight, carbon dioxide, and water into sugars. ### Where is American Bistort usually found? Found in moist mountain meadows, marshy areas, and subalpine to alpine tundras of western North America. ## Where to spot - [Independence](https://www.snappit.app/guides/places/independence) — Colorado, US · Neighborhood - [Rim Village Historic District](https://www.snappit.app/guides/places/rim-village-historic-district) — Oregon, US · Historic District - [Echo Lake Park](https://www.snappit.app/guides/places/echo-lake-park) — Colorado, US · Natural Landmark - [Summit Lake Park](https://www.snappit.app/guides/places/summit-lake-park) — Colorado, US · Natural Landmark [View all places to see American Bistort](https://www.snappit.app/guides/where-to-see/american-bistort) ## More Plants - [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*) - [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*) - [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*) - [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*) --- Source: [American Bistort: Facts & Places to See — Snappit](https://www.snappit.app/explore/american-bistort)