Heliamphora elongata
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| mink |
Heliamphora elongata is a species from the genus of the marsh jugs ( Heliamphora ), it is a carnivorous ( precarnivore ) plant. The species was first described in 2004 by Joachim Nerz .
description
Habitus
Heliamphora elongata is a perennial herbaceous plant . It grows from a branching rhizome, which leads to the formation of small clumps .
leaves
The dark red leaves of the plant are 20 to 32 cm high, at the upper end 3.5 to 4 cm in diameter, egg-shaped, wide, diagonally opened tubes. The lower, slightly bulged part of the hose takes up around a third of the entire length of the hose, the upper, cylindrical part widens only slightly. The tubes are hairless on the outside and covered with fine white hairs in the upper section of the inside. Over the opening is a small, dark red to almost black, helmet-shaped lid, approx. 1 to 3 centimeters wide and 1 to 2.8 centimeters long.
blossoms
At the end of a 50 centimeter long, hairless stem there are two to five flowers on 1.5 to 3.5 centimeters long pedicels with four narrow, elongated-lanceolate, white to pale pink petals with a length of three to five centimeters.
Distribution and habitat
The species is found on two Venezuelan tepuis , the Ilu-Tepui and the Tramen-Tepui at an altitude of 2600 m above sea level. NN in cool and wet conditions. It grows there in swampy depressions in which nutrient-poor substrate has accumulated on bare rock; it is often associated with Stegolepis , Xyris , Orectanthe , Bonnetia and carnivorous plants such as Drosera roraimae , Genlisea roraimensis , Utricularia quelchii and Utricularia amethystina .
literature
- Joachim Nerz : Heliamphora elongata (Sarraceniaceae), A New Species From Ilu-Tepui. In: Carnivorous Plant Newsletter. Vol. 33, No. 4, 2004, ISSN 0190-9215 , pp. 111-116, ( online ).