Canary Island St. Johnswort
(Hypericum canariense L.)

Overview

Appearance

Hypericum canariense is a perennial shrub that can grow up to 9.8 ft. (3 m) tall.

Foliage

Leaves are lanceolate, waxy, opposite, with a prominent midvein and green coloring through winter and orange during summer before they fall off.

Flowers

Flowers are orange-yellow in color and 0.6 in. (1.5 cm) across with 5 sepals, 3 stigmas, 5 petals, and several anthers. Flowering occurs from April to June.

Fruit

Fruits are dry capsules that release hundreds of very small seeds that are 0.04 in. (1 mm) in length from July through August.

Ecological Threat

Hypericum canariense can be found in wet or moist locations including coastal scrub, and forests. It is native to the western 5 of the Canary Islands.

Selected Images

Maps

Invasive Listing Sources

• California Invasive Plant Council
• California Noxious Weeds
• New Invaders of the Southwest

References