Nepenthes vieillardii

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Nepenthes vieillardii is a carnivorous plant from the family of pitcher plants plants ( Nepenthaceae ). It is only to be found on New Caledonia.

Description

Nepenthes vieillardii is a climbing or semi- shrubby plant growing to 1-6 mm thick, cylindrical and square stems. The internodes are up to 6 cm long. Rosettes are not known. The lower leaves are spatulate to oblong, the upper leaves are lanceolate; Generally, the blades reach a length of 5 to 20 cm and a width of 1 to 4 cm. The tendrils are up to 11.5 times as long as the leaf blade.

The cans have a distinct dimorphism. The lower pitchers are oval to bell-shaped at the base, upward cylindrical and 4-11 cm long. They have protruding ribs or wings fringed strips of up to 8 mm wide. The upper pitchers vary greatly in appearance, they are funnel - or bell-shaped, usually slightly bulbous and slightly constricted in the middle. They are 4 to 14 cm high and 1-3 cm wide. The peristome is oblique or very oblique to the opening and pointed towards the cover.

The flowers are in panicles, the pedicels are 2-6 cm long, the main axis reaches 5 to 25 cm in length and 1-3 mm in thickness. The male flowers have circular to elliptical shaped tepals 3-5 mm in length. The female inflorescences are similar, their main axis is shorter and stockier. The seed pods are two to six times as long as wide, they reach a length of 1.0 to 1.8 cm.

Ecology

In the pitchers of Nepenthes vieillardii eggs and larvae of the mosquito genus Tripteroides were found.

Dissemination

Nepenthes vieillardii is exclusively found on New Caledonia. It grows in bushes or forests to rivers at altitudes 30-800 meters.

Systematics and hazard

Nepenthes vieillardii was first described in 1873 by Joseph Dalton Hooker. The scientific species name honors the French naturalist Eugène Vieillard ( 1819-1896 ). The species was temporarily divided into four varieties, but which are now summarized all. The long projected to type populations in New Guinea were first described in 1997 as a separate species ( Nepenthes lamii ).

Nepenthes vieillardii is listed in CITES Convention in Annex II.

Nepenthes vieillardii

Description

Ecology

Dissemination

Systematics and hazard

Evidence

Further Reading