Vanilla seranica
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Vanilla seranica is a species of plant in the genus Vanilla ( Vanilla ) in the orchid family (Orchidaceae). It grows as a climbing plant on Seram .
description
Vanilla seranica is an evergreen climber. The leaves are elongated oval, pointed at the front; the petiole measures just under an inch, the leaf is 20 to 21 inches long and five to 5.5 inches wide.
The racemose inflorescence is up to ten centimeters long and has numerous fragrant, white flowers . The bracts are concave, blunt and 0.3 to 0.5 inches long. The petals are elongated oval, they are about four inches long and 0.9 to 1.4 inches wide. The lip is three-lobed, the sides are turned up and fused halfway with the column to form a tube, the front edge of the lip is turned down, curled and puckered. A number of narrow keels run along the lip. The column is 2.4 centimeters long and has fringed slats on the underside.
distribution
Vanilla seranica is endemic to the western and northwestern Serams . It grows in forests up to altitudes of 1000 meters.
Systematics and botanical history
This orchid was described in 1928 by Johannes Jacobus Smith on the basis of two specimens collected by L. Rutten in 1918. The name seranica refers to the island Seram, also written “Seran”, as a place of discovery.
According to Portères , it is similar to the Vanilla abundiflora and Vanilla borneensis species found on Borneo . Soto Arenas and Cribb mention Vanilla abundiflora as a related species as well as other species around Vanilla kinabaluensis . Within the genus Vanilla , Vanilla seranica is classified in the subgenus Xanata and there in the section Tethya , which contains all species of the paleotropic plants .
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 d Roland Portères: Le Genre Vanilla et ses Espèces. In: Le Vanillier et la Vanille dans le Monde. P. 215.
- ↑ Rafaël Govaerts (Ed.): Vanilla seranica. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved May 20, 2020.
- ↑ In: Bull. Jard. Bot. Buitenzorg. Volume III, No. 2, 1920, p. 21.
- ↑ 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 ]).