Hypericum canariense
Encyclopedia
Hypericum canariense is a species of St. John's wort
known by the common name Canary Islands St. John's wort.
, where it grows in the coastal scrub and moist forested slopes of the five westernmost islands. 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.
s. It reproduces via the seed in its dehiscent
dry fruits and also vegetatively
via rhizome
.
Hypericum
Hypericum is a genus of about 400 species of flowering plants in the family Hypericaceae ....
known by the common name Canary Islands St. John's wort.
Distribution
It is endemic to the Canary IslandsCanary 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...
, where it grows in the coastal scrub and moist forested slopes of the five westernmost islands. It is also known as an introduced species
Introduced species
An introduced species — or neozoon, alien, exotic, non-indigenous, or non-native species, or simply an introduction, is a species living outside its indigenous or native distributional range, and has arrived in an ecosystem or plant community by human activity, either deliberate or accidental...
in Australia, New Zealand, and the US states of California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
and Hawaii
Hawaii
Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...
, where it is an escaped ornamental plant
Ornamental plant
Ornamental plants are plants that are grown for decorative purposes in gardens and landscape design projects, as house plants, for cut flowers and specimen display...
and generally considered a minor noxious weed.
Description
This is a flowering shrub growing 2 to 3 meters in height. Its many stems bear waxy lance-shaped leaves 5 to 7 centimeters long. The plentiful flowers each have five bright to deep yellow petals each just over a centimeter long and many yellowish whiskery stamenStamen
The stamen is the pollen producing reproductive organ of a flower...
s. It reproduces via the seed in its dehiscent
Dehiscence (botany)
Dehiscence is the opening, at maturity, in a pre-defined way, of a plant structure, such as a fruit, anther, or sporangium, to release its contents. Sometimes this involves the complete detachment of a part. Structures that open in this way are said to be dehiscent...
dry fruits and also vegetatively
Vegetative reproduction
Vegetative reproduction is a form of asexual reproduction in plants. It is a process by which new individuals arise without production of seeds or spores...
via rhizome
Rhizome
In botany and dendrology, a rhizome is a characteristically horizontal stem of a plant that is usually found underground, often sending out roots and shoots from its nodes...
.