Paliurus

Paliurus
	Christ thorn ( Paliurus spina-christi )
Systematics
	Nuclear eudicotyledons
	Rosids
	Eurosiden I
Order :	Rose-like (rosales)
Family :	Buckthorn Family (Rhamnaceae)
Genre :	Paliurus
Scientific name
	Paliurus
	Tour. ex Mill.

Paliurus is a genus from the family of the Buckthorn family (Rhamnaceae). It comprises five species that are mostly native to East Asia.

description

Paliurus are evergreen or deciduous, often thorn-bearing shrubs or small to medium-sized trees. The leaves are clearly three-veined and arranged alternately.

The flowers are in axillary cymes . The flower cup is hemispherical to bowl-shaped. The fleshy disc is fused with the intrastaminal surface of the flower cup. The two to three-way ovary is semi-subordinate. The fruits are dry and have a membranous, disc- to hemispherical wing, they do not open themselves.

Distribution and systematics

Within the buckthorn family , the genus is classified in the tribe Paliureae . The Paliurus include five species, four in East Asia and one in the Mediterranean.

Christ thorn ( Paliurus spina-christi Mill. )
Paliurus hemsleyanus Rehder ex Schirarend & Olabi : It occurs in China.
Paliurus hirsutus Hemsl.
Paliurus orientalis (Franch.) Hemsl. : It occurs in China.
Paliurus ramosissimus (Lour.) Poir. : It occurs in China, Japan, Korea, Hong Kong, Taiwan, Macau and Vietnam.

Individual evidence

↑ ^a ^b ^c D. Medan, C. Schirarend: Rhamnaceae In: Klaus Kubitzki (Ed.): The Families and Genera of Vascular Plants - Volume VI - Flowering Plants - Dicotyledons - Celastrales, Oxalidales, Rosales, Cornales, Ericales , 2004, P. 327, ISBN 978-3-540-06512-8
^ ^A ^b ^c Paliurus in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved April 26, 2017.

Web links

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

[kub-1] D. Medan, C. Schirarend: Rhamnaceae In: Klaus Kubitzki (Ed.): The Families and Genera of Vascular Plants - Volume VI - Flowering Plants - Dicotyledons - Celastrales, Oxalidales, Rosales, Cornales, Ericales , 2004, P. 327, ISBN 978-3-540-06512-8

[GRIN-2] A ^b ^c Paliurus in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved April 26, 2017.