Chelidonium majus, Greater Celandine

Gardens & Landscapes, Invasive Species, Extension Master Gardener November 10, 2012 Print Friendly and PDF

Invasive Species: Chelidonium majus, Greater Celandine

Greater celandine is an invasive perennial native to Europe and the Mediterranean region. It can reach from 1 to 4 ft. (0.3 to 1.2 m) in height. The leaves are up to 14 in. (35 cm) long and are deeply dissected. Flowering occurs from May to June. Flowers have four yellow petals, each 0.4 in. (1 cm) long, and two sepals. The fruit are linear capsules 0.8 to 2 in. (2 to 5 cm) long. Greater celandine is poisonous to humans and occurs in moist to dry woods, thickets, roadsides, and waste grounds.

What are invasive species and why should we be concerned about them? 


Taxonomy: Scientific and Common Names for This Species

Papaverales > Papaveraceae > Chelidonium majus L.

Chelidonium majus - USDA PLANTS Profile

Distribution Maps

Greater celandine - The reported distribution of this invasive species across the United States (Source: Invasive Plant Atlas of the United States)

Up-to-the-minute distribution maps and why they are important 

Reporting This Invasive Species

What is the best way and place to report the occurrence of an invasive species? 

 How to report an invasive species sighting to EDDMapS - Early Detection & Distribution Mapping System

EDDMapS - Report an invasive species to EDDMapS.

Cooperative Extension Offices - Find your local Cooperative Extension office on this map provided by USDA.

How to Identify

This invasive species can be identified by looking for the characteristics described in the paragraphs that follow.

Plant

Greater celandine is a perennial that can reach from 1 to 4 ft. (0.3 to 1.2 m) in height.

Stacey Leicht, University of Connecticut, bugwood.org Robert Videki, Doronicum Kft., bugwood.org

Foliage

The leaves are up to 14 in. (35 cm) long and are deeply dissected.

Robert Videki, Doronicum Kft.,  bugwood.org Robert Videki, Doronicum Kft.,   bugwood.org

Flower

Flowering occurs from May to June. Flowers have four yellow petals, each 0.4 in. (1 cm) long, and two sepals.

Leslie J. Mehrhoff, University of Connecticut, bugwood.org Stacey Leicht, University of Connecticut,  bugwood.org

Fruit

The fruit are linear capsules that are 0.8 to 2 in. (2 to 5 cm) long.

Stacey Leicht, University of Connecticut,  bugwood.org Stacey Leicht, University of Connecticut,  bugwood.org

Native Species That Can Resemble Greater Celandine

Ranunculus macauleyi, Rocky Mountain buttercup - Bugwood.org

Dave Powell, USDA Forest Service, bugwood.org Dave Powell, USDA Forest Service, bugwood.org

Ranunculus sulphureus, sulphur buttercup - Bugwood.org

Mary Ellen (Mel) Harte, bugwood.org Mary Ellen (Mel) Harte, bugwood.org

Additional Images for Greater Celandine

Greater celandine - Images at Invasive.org

Learning Resources for Greater Celandine

Additional Information, Biology, Control and Management Resources

Control and management recommendations vary according to individual circumstances. Location, habitat, weather, and a variety of other conditions are factors that help determine the best treatment choice. To find the safest and most effective treatment for your situation, consult your state's land-grant institution. If you will use chemicals as part of the control process, always refer to the product label.

United States Land-Grant University System - Find your land-grant university's college of agriculture, Cooperative Extension office, or other related partner on this map provided by USDA.

Fact Sheet - Pennsylvania Dept. of Conservation and Natural Resources

Home Grown Facts - Cornell Cooperative Extension of Oneida County

Invasive Plant Atlas of New England - University of Connecticut


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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.