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Ammannia coccinea Rottb.
valley redstem



General Information
Symbol: AMCO
Group: Dicot
Family: Lythraceae
Duration: Annual
Growth Habit: Forb/herb
Subshrub
Native Status: HI   I
PR   N
L48   N
VI   N
Data Source and Documentation
Alabama"Arizona"Arkansas"California"Delaware"Florida"Georgia"Hawaii"Illinois"Indiana"Iowa"Kansas"Kentucky"Louisiana"Maryland"Minnesota"Mississippi"Missouri"Nebraska"NewNewNorthNorthOhio"Oklahoma"Pennsylvania"SouthSouthTennessee"Texas"Virginia"West
Distribution Map
green distribution legend Present blank legend Absent/Unreported

See U.S. county distributions (when available) by clicking on the map or the linked states below:

USA (AL, AR, AZ, CA, DE, FL, GA, HI, IA, IL, IN, KS, KY, LA, MD, MN, MO, MS, NC, ND, NE, NJ, NM, OH, OK, PA, SC, SD, TN, TX, VA, WV), USA+ (PR, VI)

Images

click on a thumbnail to view an image, or see all the Ammannia thumbnails at the Plants Gallery

Synonyms

Symbol Scientific Name
AMTE6 Ammannia teres Raf.
AMCOP Ammannia coccinea Rottb. ssp. purpurea (Lam.) Koehne

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Rosidae
Order Myrtales
Family Lythraceae – Loosestrife family
Genus Ammannia L. – redstem
Species Ammannia coccinea Rottb. – valley redstem

Subordinate Taxa

This plant has no children

Legal Status

Threatened and Endangered Information:
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.
Pennsylvania
scarlet ammannia
Threatened
U.S. Weed Information
Ammannia coccinea
purple ammannia
valley redstem
This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.
SWSS Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM. Southern Weed Science Society. Champaign, Illinois.

Wetland Status

Interpreting Wetland Status

Top Level Regions
Arid West OBL
Atlantic and Gulf Coastal Plain OBL
Caribbean OBL
Eastern Mountains and Piedmont OBL
Great Plains OBL
Hawaii OBL
Midwest OBL
Northcentral & Northeast OBL
Western Mountains, Valleys, and Coast OBL

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover