Moleplant

Euphorbia lathyris

WA monitor Euphorbiaceae
Data Maturity Baseline

Washington State Classification

Monitor List

This plant is on the monitor list - it is not a listed noxious weed in Washington.

Quick Reference

Type
perennial herb
Origin
Asia and Europe

Identification

Growth Habit

Woody to succulent plant can grow up to 5 feet tall. Its coloration varies from lime green, to olive green, to blue green.

Leaves

Thin, triangular leaves grow in opposite pairs up the stem, every pair growing at a 90 degree rotation from the prior pair. This creates 4 straight rows of leaves growing up the stem. At the end of the stem and below the flowers, the leaves are more rounded and wide, growing in opposite pairs. The leaves have a light colored midvein.

Flowers

Small, yellow to yellow-green stamens and stigmas grow from the center of similarly colored sepals, with no true petals. These grow in pairs from the end of each branching flowering stem.

Fruit & Seeds

Round, green, four-lobed fruits.

Impact

This plant is on the monitor list - it is not a listed noxious weed in Washington. Please contact Meghan Fallon to report locations or for more information.

Ecology & Spread

Habitat

Generally open and sunny locations, though it can tolerate shade.

Spread Mechanisms

seed

Reproduction

Seed

Regional Notes — Puget Sound

"

Control Methods

Mechanical