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Heliamphora
Also called Sun Pitchers
The genus Heliamphora ( or ; Greek: helos "marsh" and amphoreus "amphora") contains 24 species of pitcher plants endemic to South America. The species are collectively known as sun pitchers, based on the mistaken notion that the heli of Heliamphora is from the Greek helios, meaning "sun". The name instead derives from the Greek helos, meaning "marsh", so a more accurate translation of their scientific name would be marsh pitcher plants. Species in the genus Heliamphora are carnivorous plants that consist of a modified leaf form that is fused into a tubular shape. They have evolved mechanisms to attract, trap, and kill insects; and control the amount of water in the pitcher. At least one species (H. tatei) produces its own proteolytic enzymes that allows it to digest its prey without the help of symbiotic bacteria.
Heliamphora are regarded by carnivorous plant enthusiasts and experts as one of the more difficult plants to maintain in cultivation. The genus requires cool (the "highland" species) to warm (the "lowland" species) temperatures with a constant and very high humidity. An amateur botanist in New York City has shown that cultivation of the genus can be achieved with an inexpensive setup consisting of a large plastic crate, a fan, egg cartons, and water bottles filled with ice. The highland species, which originate from high on the humid tepui mountaintops, include H. nutans, H. ionasi, and H. tatei. The lowland Heliamphora, such as H. ciliata and H. heterodoxa have migrated to the warmer grasslands at the foot of the tepuis.
Shredded, long-fibered, or live sphagnum moss is preferred as a soil substrate, often with added horticultural lava rock, perlite, and pumice. The substrate must always be kept moist and extremely well drained. Misting Heliamphora with purified water is often beneficial to maintain high humidity levels.
All Heliamphora species are endemic to the tepuis of the Guiana Highlands and their surrounding uplands. Most are found in Venezuela, with a few extending into western Guyana and northern Brazil. Many of the tepuis have not yet been explored for Heliamphora, and the large number of species described in recent years suggests that many more species may be awaiting discovery.
Heliamphora arenicola · Pico Da Neblina Marsh Pitcher · Chimantá Massif Marsh Pitcher · Heliamphora ciliata · Heliamphora collina · Heliamphora elongata · Chimantá Aprada Marsh Pitcher · Aparaman Tepui Group Marsh Pitcher · Heliamphora glabra · Heliamphora heterodoxa · Cerro Neblina Marsh Pitcher · Huber's Marsh Pitcher
Text excerpted from the Wikipedia article Heliamphora by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
