Canary Island St. Johnswort
(Hypericum canariense)
This species is Introduced in the United States
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.
Citations
Winston, R.L., Andreas, J.E., Milan, J., DesCamp, W., Randell, C.B., and M. Schwarzlander. 2014. New Invaders of the Southwest. United States Department of Agriculture, Forest Health Technology Enterprise Team. FHTET-2014-12. Retrieved from https://bugwoodcloud.org/resource/files/14767.pdf
Selected Images
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
State Lists - This map identifies those states that have this species on their invasive species list or law.
Invasive Listing Sources
Taxonomic Rank
| Domain: Eukarya |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Superorder: Rosanae |
| Order: Malpighiales |
| Family: Hypericaceae |
| Genus: Hypericum |
| Hypericum canariense |
References
Common Name Reference: USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.
Scientific Name Reference: USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.