Vanilla palembanica

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Vanilla palembanica
Systematics
Order : Asparagales (Asparagales)
Family : Orchids (orchidaceae)
Subfamily : Vanilloideae
Tribe : Vanilleae
Genre : Vanilla ( vanilla )
Type : Vanilla palembanica
Scientific name
Vanilla palembanica
Teijsm. & Binn.

Vanilla palembanica is a species of vanilla ( Vanilla ) plant in the orchid family (Orchidaceae). It grows as a climbing plant in Sumatra .

description

Vanilla palembanica is an evergreen climber. The leaves are about ten inches long and 4.5 inches wide. The leaf shape is oval, the end is pointed, the base rounded, the leaves are petiolate. The leaf veins are visible.

The inflorescence bears about six to eight two-line, light green flowers . The bracts are reduced like scales. The ovary is sessile. The falls are oval and blunt, the texture is fleshy. The petals are shaped similarly, they are clearly keeled on the outside. The lip surrounds the column in a tubular shape, it is undivided, the edge wavy, the blade with purple markings and pink beard. The column is white, with orange spots on the base, hairless. The capsule fruit is hardly curved, triangular in cross section, it is up to ten centimeters long.

distribution

Vanilla palembanica is endemic to Sumatra.

Systematics and botanical history

Vanilla palembanica was first described by Johannes Elias Teijsmann and Simon Binnendijk in 1867 .

Within the genus Vanilla , Vanilla palembanica is classified in the subgenus Xanata and there in the section Thetya , which contains all species of the palaeotropic plants . After Portères similar Vanilla palembanica of Vanilla griffithii from which it differs by the two-line arrangement of flowers as well as the non-curved, triangular fruits. Soto Arenas and Cribb also see Vanilla griffithii as a close relative, but also mention a possible relationship to the group around Vanilla abundiflora . However, too little material is known from Vanilla palembanica for a more precise assessment .

literature

  • Le Vanillier et la Vanille dans le Monde . In: Gilbert Bouriquet (ed.): Encyclopédie Biologique . tape XLVI . Paul Lechevalier, Paris 1954.

Individual evidence

  1. ↑ a b c Roland Portères: Le Genre Vanilla et ses Espèces. In: Le Vanillier et la Vanille dans le Monde. P. 167.
  2. ↑ a b Rafaël Govaerts (Ed.): Vanilla palembanica. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved May 20, 2020.
  3. ↑ In: Nat. Tijdschr. Nederl. Ind. Volume XXIX, 1867, p. 243.
  4. ↑ a b Miguel A. Soto Arenas, Phillip Cribb: A new infrageneric classification and synopsis of the genus Vanilla Plum. ex Mill. (Orchidaceae: Vanillinae) . In: Lankesteriana . tape 9 , no. 3 , 2010, p. 386 ( ucr.ac.cr [PDF; 692 kB ]).