Wildflowers Identified: Prostrate Knotweed
You can search Google Images for images of this wildflower.
Prostrate Knotweed has these characteristics:
- 5 petals
- tubular petals
- several flowers on stem
- cluster or spike of flowers (a spike is a long cluster, with the flowers along the stem)
- 1/8 of an inch or less flower width
- whitish flower color
- yellow to orange flower color
- brownish or greenish flower color
- blooms in June
- blooms in July
- blooms in August
- blooms in September or later
- plant height one foot or less
- leaf petiole present (has a leafstalk)
- alternate leaf arrangement on the stem
- smooth leaf edges
- branched leaf veins
- simple leaves about 1 1/2 to 5 times as long as wide
- stem creeps or twines
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Eric Haines,
erich@acm.org