DROSERA

 

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Drosera cuneifolia

MORE THAN 186 SPECIES

 

  including variety, natural and horticultural hybrids and cultivars

 

USUAL NAME

Sundew

FAMILY

Droseraceae

 
History and etymology

If these plants are known for a very long period, the first illustrations date from 1554. After classification in mosses, C. Linnaeus established the genus Drosera, in 1735. Many observations on the mobility of leaves and on their properties to lime insects were made. The experiments of C. Darwin in 1875 showed the carnivority of these plants. The name comes from the Greek Droseros meaning "dewy"

Distribution

The Drosera had olonized all the continents, but with variations on the number of species. It is Australia that the most variety can be found.

Biotope

With some ubiquitous habits, it was under different climates, tropical, temperate or cold, that the various species grow. All fond of poor soils, often sandy and peaty, full sun or shade. The temperature and humidity vary by region. The plants are often associated with other carnivorous genera.

Description

Terrestrial, annuals perennials plants, with a size ranging from a few millimeters (pygmy Drosera of Australia) to lianas 1.50 m long (tuberous Drosera in Australia). The leaves are rounded, obovate, wiry, and varied colored depending on the species. Traps are formed by the leaves with sticky tentacles to capture prey, digestion is accomplished by enzymes. The prey are largely insect Coleoptera, Diptera, Hymenoptera ... The flowers are of variable size and color (pink, white, purple ...)?

Drosera x corinthiaca
natural hybrid
D. aliciae x D. glabripes

Drosera broomenis

Drosera glabripes

genlisea.jpg

drosera_mod2.jpg

utricula_mod2.jpg

 




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