Hypericum grandifolium Choisy is a plant in the family Hypericaceae

Hypericaceae

Hypericaceae is a plant family in the order Malpighiales. Molecular data supports its monophyly. Some systematists treat it as a subfamily of the Clusiaceae. When it is accepted as a distinct family, it contains the following genera:* Cratoxylum Blume...

 endemic to Madeira

Madeira

Madeira is a Portuguese archipelago that lies between and , just under 400 km north of Tenerife, Canary Islands, in the north Atlantic Ocean and an outermost region of the European Union...

 and the Canary Islands

Canary Islands

The Canary Islands , also known as the Canaries , is a Spanish archipelago located just off the northwest coast of mainland Africa, 100 km west of the border between Morocco and the Western Sahara. The Canaries are a Spanish autonomous community and an outermost region of the European Union...

. It is a evergreen shrub up to 1.8 m in height, with dark green, leathery leaves covered with warty glands, and bright yellow flowers up to 4.5 cm broad. It is an important constituent of the shrub layer in laurel woodland forests (laurisilva

Laurisilva

Laurisilva or laurissilva is a subtropical forest, found in areas with high humidity and relatively stable and mild temperatures. They are characterised by evergreen, glossy-leaved tree species that look alike with leaves of lauroide type...

) on Gomera

Gomera

Gomera usually refers to La Gomera, the second-smallest of Spain's Canary Islands.Gomera may also refer to:-Places:* La Gomera, Escuintla, a municipality in the Escuintla department of Guatemala....

.
Hypericum grandifolium has shown analgesic

Analgesic

An analgesic is any member of the group of drugs used to relieve pain . The word analgesic derives from Greek an- and algos ....

properties in studies on mice.

Spanish name: Malfurada.