Ambrosia artemisiifolia

From Bugwoodwiki
Jump to: navigation, search

Contents


1459512
Taxonomy
Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Asterales
Family: Asteraceae
Genus: Ambrosia
Species: A. artemisiifolia
Scientific Name
Ambrosia artemisiifolia
L.
Common Names

common ragweed, annual ragweed, common ragweed, low ragweed, ragweed, Roman wormwood, short ragweed, small ragweed

Overview

Appearance
Ambrosia artemisiifolia is an annual. It blooms in the late summer and it can grow up to 4 ft. (1.2 m) tall.
Foliage
Stems and leaves are blue-green and covered with fine hairs. Leaves divided and bottom sides covered in fine hairs, giving a gray appearance.
Flowers
Flowers inconspicuous, yellowish-white, and found on terminal branches.
Fruit
Fruits are yellowish to reddish brown, woody, spined, ridged, and crow like in appearance. Seeds are 0.12-0.16 in. (3-4 mm) long.
Ecological Threat
This plant is common throughout the United States and causes hay fever in many people. It is commonly found along ditches and waste areas. It is not highly competitive in crops or rangeland. Native to all U.S. states except Hawaii and Alaska.
Herbicide Resistance[1]
Populations of this plant exist in the United States that are resistant to ALS inhibitors (B/2),Photosystem II inhibitors (C1/5), PPO inhibitors (E/14), Glycines (G/9)

Resources

  1. Heap, I. The International Survey of Herbicide Resistant Weeds.Online. Internet. Friday, November 15, 2013.

Images from Bugwood.org

Personal tools
Namespaces

Variants
Actions
Navigation
Projects
Participation
Other Bugwood Resources
Export Current Page
Toolbox