REPORT

Invasive Plant Details

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Cypress Spurge

Latin Name: Euphorbia cyparissias

Priority Ranking: High Priority

Identification

Flower: Small, greenish-yellow flowers that bloom in late spring through summer.

Leaves: Narrow, needle-like leaves that are bright green and densely packed along the stem.

Stems: Erect, thin, and unbranched, growing up to 40 cm tall.

Growing Environment: It prefers direct sunlight but is shade tolerant. Prefers dry, well-drained soils in fields, roadsides, and grasslands.

Growth Habit: A perennial herb that spreads aggressively through underground rhizomes, forming dense colonies. It has a low-growing, upright habit with needle-like foliage and clusters of small, inconspicuous flowers. In situ, cypress spurge forms dense mats of bright green foliage that can cover large areas, particularly in dry, open habitats.

Priority Ranking: High Priority

Impacts on Environment

Impacts: Highly invasive, particularly in dry, disturbed areas, where it can form dense colonies that are difficult to control.

Toxicity: It is toxic to horses and cattle when consumed. It can cause dermatitis and rashes if the milky sap comes into contact with human skin.