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A single hectare of rainforest may contain 42,000 different species of insect, up to 807 trees of 313 species and 1,500 species of higher plants. [5] Tropical rainforests have been called the " world's largest pharmacy ", because over one quarter of natural medicines have been discovered within them.
Fungi are also very common in rainforest areas as they can feed on the decomposing remains of plants and animals. The great diversity in rainforest species is in large part the result of diverse and numerous physical refuges , [ 25 ] i.e. places in which plants are inaccessible to many herbivores, or in which animals can hide from predators.
Tropical rainforest ecosystems include significant areas of biodiversity, often coupled with high species endemism. [6] Rainforests are home to half of all the living animal and plant species on the planet and roughly two-thirds of all flowering plants can be found in rainforests.
Australian Tropical Rainforest Plants, also known as RFK, is an identification key giving details—including images, taxonomy, descriptions, range, habitat, and other information—of almost all species of flowering plants (i.e. trees, shrubs, vines, forbs, grasses and sedges, epiphytes, palms and pandans) found in tropical rainforests of Australia, with the exception of most orchids which ...
Trees from the plant families Burseraceae and Sapotaceae are also common in the canopy. [1] There is an understorey stratum under the canopy, composed of shade-tolerant trees draped with lianas and epiphytic orchids and ferns. Understorey trees are commonly of the plant families Euphorbiaceae, Rubiaceae, Annonaceae, Lauraceae, and Myristicaceae.
A liana is a long-stemmed woody vine that is rooted in the soil at ground level and uses trees, as well as other means of vertical support, to climb up to the canopy in search of direct sunlight. [1] The word liana does not refer to a taxonomic grouping, but rather a habit of plant growth – much like tree or shrub.
The canopy level is the third level of the temperate rainforest. The trees forming the canopy, conifers, can stand as tall as 100 metres or more. A variety of species survive in the canopy. The tops of these trees collect most of the rain, moisture, and photosynthesis that the rainforest takes in. They form a canopy over the forest, covering ...
The biodiversity of plant species is the highest on Earth with one 2001 study finding a quarter square kilometer (62 acres) of Ecuadorian rainforest supports more than 1,100 tree species. [54] A study in 1999 found one square kilometer (247 acres) of Amazon rainforest can contain about 90,790 tonnes of living plants.