Nuxia

Nuxia
	Nuxia floribunda
Systematics
	Nuclear eudicotyledons
	Asterids
	Euasterids I
Order :	Mint family (Lamiales)
Family :	Stilbaceae
Genre :	Nuxia
Scientific name
	Nuxia
	Lam.

The nuxia are a plant genus that the family of stilbaceae is attributed. It includes 15 species .

description

Nuxia are shrubs or trees that have cracked bark . The leaves are opposite, in groups of three or four or rarely alternate. Mostly they are petiolate, the leaf blade is enlarged.

The flowers are in terminal thyrses , which either stand individually on terminal branches or form dense heads in groups. The calyx is bell-shaped to cylindrical and four-lobed, on the outside there are fine glandular trichomes . The crown is regularly shaped, four-lobed and constricted in a ring. The corolla tube is cylindrical, often it is around the ovary expands around. On the outside there are often glandular trichomes, in the throat there is a felty ring of trichomes. The four stamens have slender stamens , the anthers protrude far beyond the crown. The ovary is usually covered with adjacent trichomes, two-faced and provided with a central-angled, shield-shaped placentation . In each ovary compartment there is a multitude of ovules . The stylus protrudes far beyond the crown.

The capsule fruits are about as long or slightly longer than the perennial calyx. They contain small brown seeds .

Occurrence

The species are distributed from southern Africa via Liberia , Ethiopia to the southern Arab region , as well as on Madagascar and the Mascarene Mountains.

Systematics

Nuxia congesta

Flowers of Nuxia verticillata

The genus was first described by Jean-Baptiste de Lamarck in 1791 . It includes 15 types:

Nuxia allorgeorum Jovet : The home is western Madagascar.
Nuxia ambrensis Jovet : The home is northern Madagascar.
Nuxia capitata Baker : The home is Madagascar.
Nuxia congesta R.Br. : The homeland is tropical and southern Africa and the Arabian Peninsula.
Nuxia coriacea Soler. : The home is Madagascar.
Nuxia floribunda Benth. : The homeland extends from southwest Uganda to southern Africa.
Nuxia glomerulata (CASm.) I.Verd. : The home is southern Africa.
Nuxia gracilis Engl .: The home is southern Africa.
Nuxia involucrata Aug.DC. : The homeland is northern and eastern Madagascar.
Nuxia isaloensis Jovet : The home is Madagascar.
Nuxia oppositifolia Benth. : The distribution area extends from Eritrea to southern Africa, to Madagascar and the Arabian Peninsula.
Nuxia pachyphylla Baker : The home is Madagascar.
Nuxia pseudodentata Gilg : The homeland is the Comoros.
Nuxia sphaerocephala Baker : The home is Madagascar.
Nuxia verticillata Lam. : The home is Mauritius and Réunion.

literature

HP Lindner: Stilbaceae . In: Klaus Kubitzki, Joachim W. Kadereit (eds.): Flowering Plants, Dicotyledons: Lamiales (except Acanthaceae Including Avicenniaceae) , Springer Verlag, 2004, ISBN 978-3-540-40593-1 , p. 438.

Individual evidence

^ Entry in the African Plants Database (version 3.3) , Conservatoire et Jardin botaniques de la Ville de Genève and South African National Biodiversity Institute, Pretoria, Online , last accessed on July 6, 2010
↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p Rafaël Govaerts (Ed.): Nuxia. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved February 22, 2015.

Web links

Commons : Nuxia - collection of images, videos and audio files

[cjb-1] Entry in the African Plants Database (version 3.3) , Conservatoire et Jardin botaniques de la Ville de Genève and South African National Biodiversity Institute, Pretoria, Online , last accessed on July 6, 2010

[WCSP-2] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p Rafaël Govaerts (Ed.): Nuxia. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved February 22, 2015.