BugwoodWiki Article

cypress spurge
Euphorbia cyparissias L.

Overview

Appearance
Euphorbia cyparissias grows up to 12 in. (30.5 cm) tall. This herbaceous, perennial plant invades open disturbed areas throughout the United States. All parts of the plant exude a white, milky sap when broken.
Foliage
The leaves are small, up to 1 in. (2.5 cm) long. The leaves are numerous, alternate or whorled, bright green, and linear in shape.
Flowers
Yellow-green, inconspicuous flowers are in a cyme at the top of the plant. Flowers mature to red.
Fruit
The fruit is three lobed and contains 1-3 egg shaped smooth gray seeds that measure 0.06-0.08 in. (1.5-2 mm). Euphorbia cyparissias produces large clonal colonies through an extensive underground root system, that allows this plant to reproduce with lateral root buds.
Ecological Threat
Euphorbia cyparissias can invade open disturbed areas such as fields, pastures, agricultural land, roadsides, and yards. It is toxic to livestock so infestations reduce the forage value of pastures and contaminates hayfields. It can form huge infestations displacing native vegetation. This plant is native to Europe and western Asia. It was first introduced into the United States in the mid 1800s as an ornamental.

Resources

Selected Images


5207004
5207004

cypress spurge
Euphorbia cyparissias
Plant(s)
Todd Pfeiffer
0886041
0886041

cypress spurge
Euphorbia cyparissias
Fruit(s)
Richard A. Casagrande
5447559
5447559

cypress spurge
Euphorbia cyparissias
Flower(s)
Leslie J. Mehrhoff
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1459629

cypress spurge
Euphorbia cyparissias
Plant(s)
Steve Dewey
5447542
5447542

cypress spurge
Euphorbia cyparissias
Flower(s)
Leslie J. Mehrhoff
5447549
5447549

cypress spurge
Euphorbia cyparissias
Flower(s)
Leslie J. Mehrhoff
5207005
5207005

cypress spurge
Euphorbia cyparissias
Plant(s)
Todd Pfeiffer
5271099
5271099

cypress spurge
Euphorbia cyparissias
Fruit(s)
Leslie J. Mehrhoff
5207003
5207003

cypress spurge
Euphorbia cyparissias
Field
Todd Pfeiffer
5272001
5272001

cypress spurge
Euphorbia cyparissias
Root(s)
Leslie J. Mehrhoff
5309014
5309014

cypress spurge
Euphorbia cyparissias
Plant(s)
USDA PLANTS Database

Maps


EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org

EDDMapS Distribution

State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit Invasive.org

State Regulated List

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Rosidae
Order: Euphorbiales
Family: Euphorbiaceae
Genus: Euphorbia

Other System Links

Plants: EUCY2
Bayer: EPHCY
GRIN: 316678
ITIS: 28061
NPDN Pest: PBVAGBD
NPDN Host: 31529

Synonyms and Other Names

Related Scientific Names:

Galarhoeus cyparissias L.(Synonym)
Tithymalus cyparissias L.(Synonym)

Categories

Category: Forbs/Herbs