PLANTS Profile for Polygonum davisiae (Davis' knotweed)

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PLANTS Profile

Polygonum davisiae W.H. Brewer ex A. Gray
Davis' knotweed

Symbol:

PODA

Group:

Dicot

Family:

Polygonaceae

Duration:

Perennial

Growth Habit:

Subshrub
Forb/herb

Native Status:

L48

Click on the image below to enlarge it and download a high-resolution JPEG file.

Photo of Polygonum davisiae W.H. Brewer ex A. Gray

Brother Alfred Brousseau. Courtesy of St. Mary's College of California. ©St. Mary's College of California. Usage Requirements. Any use of copyrighted images requires notification of the copyright holder.

More Information:

Images:
Polygonum davisiae W.H. Brewer ex A. Gray

Click on a thumbnail to view an image, or see all the Polygonum thumbnails at the PLANTS Gallery

Synonyms:
Polygonum davisiae W.H. Brewer ex A. Gray

	ACDA3	Aconogonum davisiae (W.H. Brewer ex A. Gray) Soják
	ACDAG	Aconogonum davisiae (W.H. Brewer ex A. Gray) Soják var. glabrum (G.N. Jones) S.-P. Hong
	ACNE5	Aconogonum newberryi (Small) Soják
	PONE5	Polygonum newberryi Small
	PONEG	Polygonum newberryi Small var. glabrum G.N. Jones

Distribution:
Polygonum davisiae W.H. Brewer ex A. Gray


View Native Status

See U.S. county distributions (when available) by clicking on the map or the linked states below:
USA (CA, ID, OR, WA)

Related Taxa:
Polygonum davisiae W.H. Brewer ex A. Gray

View 33 genera in Polygonaceae, 80 species in Polygonum

Classification:
Polygonum davisiae W.H. Brewer ex A. Gray

Click on a scientific name below to expand it in the PLANTS Classification Report.


Kingdom	Plantae – Plants
Subkingdom	Tracheobionta – Vascular plants
Superdivision	Spermatophyta – Seed plants
Division	Magnoliophyta – Flowering plants
Class	Magnoliopsida – Dicotyledons
Subclass	Caryophyllidae
Order	Polygonales
Family	Polygonaceae – Buckwheat family
Genus	Polygonum L. – knotweed
Species	Polygonum davisiae W.H. Brewer ex A. Gray – Davis' knotweed

More Accounts and Images:
Polygonum davisiae W.H. Brewer ex A. Gray

View photographs from CalPhotos.

View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 20890.

View species account and distribution map from Jepson Interchange (University of California - Berkeley).

View species account, photographs, and distribution from University of Washington Burke Museum.

Time Generated: 01/03/2013 02:20 PM CST