Gouania
| Gouania | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
.jpg)
Branch with leaves and inflorescences of Gouania hillebrandii |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Gouania | ||||||||||||
| Rich. ex Brongn. |
Gouania is a genus from the family of Buckthorn family (Rhamnaceae), in which they are of the tribe Gouanieae is assigned. The representatives form unreinforced, climbing shrubs. The range of the species is in the tropics and subtropics of the Old and New World .
description
The species of the genus Gouania grow as evergreen , unreinforced, climbing shrubs that form tendrils and can reach heights of 20 meters. The tendrils are rolled up at the top. The leaves are alternate. They are stalked, veined three times or pinnately from the base and with entire margins or toothed. The stipules fall off early.
The flowers are polygamous . They grow in terminal or axillary zymous grapes or panicles , which can have tendrils at the base or in the lower area of the inflorescence axis. The calyx tube is short and has grown together with the ovary . The five sepals are ovate-triangular and keeled on top. The five petals are spatulate . The five stamens are fixed dorsally and are enclosed by the petals. The disc is thick, pentagonal or five-lobed, hairy or bald. The ovary is below, sunk deep in the disc, triple and forms an ovule per compartment. The styles are split to deeply split. The capsule fruits are round, depressed on both sides, triple winged and parts of the calyx are retained on them. The three compartments of the capsule separate from the capsule axis when ripe. The seeds are red-brown, glossy and obovate. The endosperm is thin.
distribution
The natural range of the approximately 50 species is in the tropics and subtropics of the Old and New World .
Systematics and research history
Gouania is a genus from the family of the Buckthorn family (Rhamnaceae), in which they are of the tribe is assigned Gouanieae and also the type forms genus of. Adolphe Brongniart established the genus in 1763, using the name and description given by Louis Claude Marie Richard . Synonyms of the genus are Retinaria Gaertn. and Pleuranthodes Weberb.
.jpg)
.jpg)
.jpg)
.jpg)
.jpg)
The following species are assigned to the genus:
- Gouania acalyphoides Reissek
- Gouania acreana pilgrimage.
- Gouania alnifolia Reissek
- Gouania ambrensis Buerki, Phillipson & Callm.
- Gouania andamanica King
- Gouania aphrodes Tul.
- Gouania aptera DC.
- Gouania australiana F. Muell.
- Gouania bishopii Hillebr.
- Gouania blanchetiana Miq.
- Gouania canescens Rich. ex Poir.
- Gouania chrysophylla Reissek
- Gouania colombiana Suess.
- Gouania colurnifolia Reissek
- Gouania conzattii Greenm.
- Gouania cornifolia Reissek
- Gouania corylifolia Raddi
- Gouania cucullata H.St.John
- Gouania cupuliflora Buerki, Phillipson & Callm.
- Gouania discolor Benth.
- Gouania efatensis Guillaumin
- Gouania ekmanii Alain
- Gouania eurycarpa Standl.
- Gouania exilis K.R. Thiele
- Gouania fauriei H.St.John
- Gouania frangulifolia (Willd. Ex Roem. & Schult.) Radlk.
- Gouania gagnei H.St.John
- Gouania glandulosa Boivin ex Tul.
- Gouania hawaiiensis H.St.John
- Gouania hillebrandii olive. ex Hillebr. : It occurs in Hawaii.
- Gouania hillii F.Muell.
- Gouania humbertii H.Perrier
- Gouania hypoglauca Standl.
- Gouania inornata Reissek
- Gouania javanica Miq.
- Gouania latifolia Reissek
- Gouania laxiflora Tul.
- Gouania le-ratii Schltr.
- Gouania leptostachya DC. : It occurs in India, Bhutan, Nepal, Malaysia, Thailand, Cambodia, Laos, Vietnam, Myanmar, the Philippines and China.
- Gouania lineata Tul.
- Gouania longipetala Hemsl.
- Gouania longispicata Engl.
- Gouania lupuloides (L.) Urb. : It occurs in Mexico, on islands in the Caribbean, in Guatemala, Honduras, Belize, El Salvador, Nicaragua, Costa Rica, Panama, Colombia, Venezuela, Ecuador and Peru.
- Gouania lydgatei H.St.John
- Gouania mangarevica Fosberg
- Gouania mannii H.St.John
- Gouania mauritiana Lam.
- Gouania meyenii Steud. : It occurs in Hawaii.
- Gouania microcarpa DC.
- Gouania mollis Reissek
- Gouania myriocarpa Tul.
- Gouania napalensis Wall. : It occurs in India and in Nepal.
- Gouania oliveri H.St.John
- Gouania pannigera Tul.
- Gouania petiolaris Reissek
- Gouania polygama (Jacq.) Urb. : It occurs in Mexico, in Central and South America.
- Gouania pyrifolia Reissek
- Gouania richii A. Gray
- Gouania riparia Reissek
- Gouania Rosei Wiggins
- Gouania rumicina Triana & Planch.
- Gouania stipularis Moc. & Sessé ex DC.
- Gouania striata Rich.
- Gouania tiliifolia Lam.
- Gouania trichodonta Reissek
- Gouania ulmifolia Hook. & Arn.
- Gouania ulugurica Gilli
- Gouania urticifolia Reissek
- Gouania velutina Reissek
- Gouania virgata Reissek
- Gouania viridis Brandegee
- Gouania vitifolia A.Gray : It occurs in Hawaii.
- Gouania wurdackii Steyerm.
Individual evidence
- ↑ a b c Yilin Chen, Carsten Schirarend: Gouania in Flora of China , Volume 12, p. 163.
- ^ A b D. Medan, C. Schiarend: Rhamnaceae in Klaus Kubitzki: The Families and Genera of Vascular Plants , Volume VI, p. 330.
- ↑ Gouania. In: The International Plant Name Index. Retrieved February 14, 2015 .
- ^ Gouania at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed February 14, 2015.
- ↑ a b c d e f g h Gouania in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland.
- ↑ Gouania. In: The Plant List. Retrieved February 14, 2015 .
literature
- Klaus Kubitzki (Ed.): The Families and Genera of Vascular Plants . Volume 6: Flowering Plants, Dicotyledons: Celastrales, Oxalidales, Rosales, Cornales, Ericales . Springer, Berlin / Heidelberg / New York 2004, ISBN 3-540-06512-1 , pp. 330 (English).
- Wu Zheng-yi, Peter H. Raven, Deyuan Hong (Eds.): Flora of China . Volume 12: Hippocastanaceae through Theaceae . Science Press / Missouri Botanical Garden Press, Beijing / St. Louis 2007, ISBN 978-1-930723-64-1 , pp. 163 (English).
