Appearance
The species is a flowering shrub growing 2–3 metres in height. Its many stems bear waxy lance-shaped leaves 5–7 centimetres long. The plentiful flowers each have five bright to deep yellow petals each just over a centimeter long and many yellowish whiskery stamens. It reproduces via the seed in its dehiscent dry fruits and also vegetatively via rhizome.The species is commonly misidentified as "H. canadense" or "Cleomella arborea" because of their similar flower structure and large stamens.
Naming
Among its numerous aliases in Spanish are "granadillo", "espanta demonios", "flor de cruz", and "leña de brujas". In Finnish, the species is known as "Kanariankuisma." Its specific epithet "canariense" is a reference to the populousness of "H. canariense" in the Canary Islands. As such, its common names include Canary Islands St. John's wort or Canary Islands "Hypericum".Distribution
It is endemic to the Canary Islands and Madeira, where it grows in low-moisture scrub and forested slopes of the five westernmost islands from 150 to 800m.: 219 It is also known as an introduced species in Australia, New Zealand, and the US states of California and Hawaii, where it is an escaped ornamental plant and generally considered a minor noxious weed.Habitat
"Hypericum canariense" grows in clayey or sandy soils, as well as in loam. It is found along creeklines and roadsides. It is also prominent in dry scrub habitats and in mesic forests, often alongside "Globularia salicina".References:
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