Vanilla angustipetala
| Vanilla angustipetala | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Vanilla angustipetala | ||||||||||||
| Schltr. |
Vanilla angustipetala is a species of vanilla ( Vanilla ) in the orchid family (Orchidaceae). It grows as a climbing plant in Brazil.
description
Vanilla angustipetala is an evergreen climber. The shoot is thin and flexible. The leaves are nine to ten inches long and about 2.5 inches wide. The leaf shape is narrow oval to lanceolate, rounded at the base with a barely visible petiole, elongated at the front.
The inflorescence becomes about five centimeters long, often it has only two flowers . The bracts are quite large with 2.5 to 4.5 centimeters and formed like leaves , they are lanceolate and pointed. The ovary is thin and 2.5 inches long. The sepals are tongue-shaped, 3.2 centimeters long, the sides curved somewhat asymmetrically. The petals are similar in shape, but shorter and with a protruding midrib on the outside. The lip is 2.3 inches long and 1.7 inches wide, slightly three-lobed, the front edge is slightly wavy and ends blunt. Three thickened keels run from the base to the middle of the lip, from the middle they are replaced by seven rows of small bumps that together cover an oval surface, the middle row extends to the tip of the lip. The slightly curved column is 1.7 centimeters long, it is thin, semicircular in cross section. The column is only fused to the lip in a small area at the base, there it is also hairy on the underside.
distribution
Vanilla angustipetala occurs in south-east and south of Brazil and in neighboring Paraguay and Argentina. It colonizes tropical rainforests.
Systematics and botanical history
Vanilla angustipetala was first described by Rudolf Schlechter in 1922 .
Within the genus Vanilla , Vanilla angustipetala is placed in the subgenus Vanilla , which only contains species of the Neotropics . According to Portères , it is similar to Vanilla ribeiroi , but Soto Arenas and Cribb classify it in the other subgenus and therefore not closely related. Similar species are Vanilla parvifolia and Vanilla verrucosa . Vanilla rojasiana is considered a synonym .
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. Pp. 174-176.
- ↑ a b Rafaël Govaerts (Ed.): Vanilla angustipetala. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved May 18, 2020.
- ↑ In: Anexos Mem. Inst. Butantan, Secç. Bot. Volume 1, No. 4, 1922, p. 19.
- ↑ 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. 368 ( ucr.ac.cr [PDF]).