| Polygonum aviculare L. | |||
| |||
| Family | Polygonaceae — APG family: Polygonaceae | ||
| Common name | knotweed | ||
| Description | Prostrate or ascending, much branched; leaves blue-green, linear to oblong or elliptic; flowers sessile; calyx green, with whitish or reddish margin; achenes dull, mostly included within calyx. | ||
| Ecology | Introduced. Described from Europe. | ||
| Taxonomy notes | Includes several variations sometimes regarded as species (P. heterophyllum Lindm.; P. neglectum Bess., P. buxiforme Small). |
This is a digital representation of Eric Hultén’s ‘Flora of Alaska and Neighboring Territories: A Manual of the Vascular Plants’, which was published by Stanford University Press in 1968. The book was digitized by C. Webb (at UAMN) as part of the Flora of Alaska project, with funding by the US NSF (Grant 1759964 to Ickert-Bond & Webb), and with permission of Stanford University Press. Data and images © 1968 Board of Trustees of the Leland Stanford Jr. Univ. Usage licence: Creative Commons BY-NC-SA 4.0. NB: You may find OCR errors; please refer to the hard-copy if in doubt.