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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Polygonum bolanderi

Polygonum bolanderi W.H. Brewer

Bolander's Knotweed, Bolander's Polygonum

Polygonaceae (Buckwheat family)


USDA Symbol: POBO3

USDA Native Status: L48 (N)


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Plant Characteristics

Duration: Perennial
Habit: Herb , Subshrub , Shrub
Fruit Type: Achene
Size Notes: Up to about 2 feet tall.

Bloom Information

Bloom Color: White , Pink
Bloom Time: Jun , Jul , Aug , Sep , Oct , Nov


Native Habitat: Open, dry, gravelly, rocky places.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Polygonum bolanderi in USDA Plants
FNA: Find Polygonum bolanderi in the Flora of North America (if available)
Google: Search Google for Polygonum bolanderi


Record Modified: 2020-11-12
Research By: CBR

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