Ambrosia grayi

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Taxonomy
Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Asterales
Family: Asteraceae
Genus: Ambrosia
Species: grayi
Scientific Name
Ambrosia grayi
(A. Nels.) Shinners
Common Names

woollyleaf bursage, woollyleaf burr ragweed, bur ragweed, lagoonweed, woollyleaf bursage, woollyleaf franseria, woollyleaf povertyweed

Contents

Overview

Appearance
Ambrosia grayi is a perennial that can grow up to 3.9-11.8 in. (10-30 cm) tall. Ambrosia grayi has many different common names: Bur Ragweed, Woollyleaf bursage and Lagoonweed.
Foliage
The leaves are opposite and have a dusty green color. They can grow up to 0.39-1.8 in. (10-45 mm) in length. The stems are erect.
Flowers
Flowering occurs from August to September. Ambrosia grayi produces burs that are 0.12-0.2 in. (3-5 mm) round.
Fruit
The fruits are burs that contain the seeds.
Ecological Threat
Ambrosia grayi can be found infesting roadsides, ditches, fields and mid wet areas. This plant can easily transplanted by its burs. The burs can attach themselves to clothes, people and animals. This plant is native to northern Mexico.

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