Vanilla seretii
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Vanilla seretii is a species of vanilla ( Vanilla ) in the orchid family (Orchidaceae). It grows as a climbing plant in tropical Africa.
description
Vanilla seretii is an evergreen climber, the shoot reaches 0.5 to one centimeter in diameter. The leaves are lanceolate, slightly rounded at the base, the petiole is one to 1.5 centimeters long, the leaf is long and pointed towards the front. On blooming shoots the leaves are 13 to 28 centimeters long and three to five centimeters wide, on non-blooming shoots the leaves remain 11 × 2 centimeters smaller.
The inflorescence is two to seven centimeters long, the bracts are concave and about 0.5 centimeters in size. Pedicel and ovary together measure about four centimeters. The flowers are yellowish, the lip is white or yellow and has a reddish pattern. The dorsal sepal is oval, it measures 3.5 centimeters long by 1.5 centimeters wide, the side sepals are longer and narrower. The lip is 2.5 to three centimeters long, unlobed or indistinctly three-lobed, the front edge is wavy. On the lip there is only one, rarely several, backward-facing elevations. The column is fused with the lip up to its tip.
distribution
Vanilla seretii occurs in central Africa: in the Central African Republic and in the Congo .
Systematics and botanical history
Vanilla seretii was first described by De Wildeman in 1916 . The Vanilla tisserantii described by Portères is considered a synonym .
Within the genus Vanilla , Vanilla seretii is classified in the subgenus Xanata and there in the section Tethya , which contains all species of the Paleotropic . According to Portères, Vanilla seretii is similar to Vanilla chalotii, which is also common in Africa . Soto Arenas and Cribb confirm this relationship and name Vanilla nigerica as another related species.
literature
- Le Vanillier et la Vanille dans le Monde . In: Gilbert Bouriquet (ed.): Encyclopédie Biologique . tape XLVI . Paul Lechevalier, Paris 1954.
Individual evidence
- ↑ a b c Roland Portères: Le Genre Vanilla et ses Espèces. In: Le Vanillier et la Vanille dans le Monde. Pp. 172-174.
- ↑ a b Rafaël Govaerts (Ed.): Vanilla seretii. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved May 20, 2020.
- ↑ In: Bulletin du Jardin botanique de l'État à Bruxelles. Volume 5, 1916, p. 180.
- ↑ 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. 393 ( ucr.ac.cr [PDF; 692 kB ]).