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Petiolaris - Complex Drosera
GENUS: Drosera
A genus of over 100 species of sticky-leaved perrenials (and a few annuals,) distributed around the world in all climatic zones from the Arctic to sub-saharan Africa. Many are easily grown, and make excellent house plants if planted in peat:sand mix and stood in a saucer of rainwater on a sunny windowsill.
Petiolaris Complex species
Tropical species requiring high temperature and humidity. A fascinating group of plants, with more species being discovered all the time. Cultivation: 1:1 peat:sand, standing in water for the winter months, day temps 80-90ºC+, nights down to 65ºC. Dormant period in Summer (May-September,) - reduce watering until barely moist. Provided with the right growing temperatures in the winter these plants are easy, but the dormancy watering is a fine line that makes these plants unsuitable for beginners.
SPECIES: D. caduca - Common Name: None - Distribution: Australia
After a half-hearted rosette of long-petioled tiny trapping leaves,.this sp. produces non-carnivorous leaves that are really just petioles, sometimes with vestigal tufts of hair in place of the leaf blade. A very curious piece of evolution that confers no discernable benefit on the plant.
SPECIES: D. dilatato-petiolaris - Common Name: None - Distribution: Australia
The petioles of this species are not only long but fat! a most unusual plant to add interest to any collection.
SPECIES: D. falconeri - Common Name: None - Distribution: Australia
An erect sp., taller and more graceful than D.petiolaris.
SPECIES: D. fulva - Common Name: None - Distribution: Australia
A newly discovered sp. to add further confusion to the complex.
SPECIES: D. lanata - Common Name: None - Distribution: Australia
Very hairy plant, with typically petiolate leaves emerging from a dense mass of tomentum.
SPECIES: D. petiolaris - Common Name: None - Distribution: Australia
Small trapping leaves on (comparatively,) extremely long and hairy petioles give this plant a unique aspect.
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