So
what does it mean that some plants
of the rainforest are endemic.
An endemic plant
is a plant
that is not found anywhere else in the world.
A plant (or animal etc) can be endemic to a continent, to a region or
any other defined zone.
Places known for a lot of endemic species are often isolated places,
such as Australia,
Madagascar,
Hawaii, Galapagos, New Caledonia, Philippines etc.
Many species of eucalypts
for example are endemic to Australia,
as are
many species of
grevilleas, banksias and others.
Madagascar
has got the second highest number of endemic plants in the world (after
Australia), including many palms and orchids. Six of the world's eight
species of Baobab trees are endemic to Madagascar (the other two are
found in Australia).
Hawaii - the
remotest of all
the islands in the world, has got many endemic species, a few examples
being Yellow
hibiscus (Hibiscus
brackenridgei),
Po'ouli (Melamprosops phaeosoma)
and Nene
(Branta
sandvicensis).
Galapagos
- another
classic remote group of islands, has got many endemic plants, some of
the rarest being daisy tree (Scalesia
atractyloides) and Floreana Flax (Linum cratericola).
New Caledonia
- a small island
north-east of New Zealand, has got a large variety of endemic plants,
including whole families like Phellinaceae,
Oncothecaceae, Strasburgeriaceae, Paracryphiaceae,
andAmborellaceae.
More than 80% of New Caledonia's rainforest plants are endemic to the
country.
Philippines
is another country known for its high number of endemics, including
many species of endemic plants of the rainforests such as orchids, e.g.
Queen of
Philippine Orchids (Vanda
sanderiana).
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