Paliurus

Paliurus
	Paliurus spina-christi
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Rosales
Family:	Rhamnaceae
Tribe:	Paliureae
Genus:	Paliurus; Mill.[1]
Species
	See text
Synonyms[1]
	Aubletia Lour.

Paliurus is a genus of flowering plants in the family Rhamnaceae. The eight species are native to warm, dry regions of Eurasia and North Africa from Morocco and Spain east to Japan and Taiwan.

Description

They are shrubs or small trees growing to 3–15 m tall. The shoots are zig-zagged, with a leaf and two stipular spines on the outside of each kink. The leaves are deciduous or evergreen, oval, 2–10 cm long and 1–7 cm broad, glossy green, with three conspicuous veins at the base, and an entire or bluntly toothed margin. The fruit is a dry woody nutlet centred in a circular wing 1–3.5 cm diameter.

Ecology

Paliurus species are used as food plants by the larvae of some Lepidoptera species including the Bucculatrix leaf-miners B. albella (feeds exclusively on P. spina-christi), B. paliuricola (feeds exclusively on Paliurus spp.) and B. turatii (feeds exclusively on P. aculeatus).

Selected species

Paliurus hemsleyanus Rehder ex Schirarend & Olabi (Southern China)
Paliurus orientalis (Franch.) Hemsl. (Central China)
Paliurus ramosissimus (Lour.) Poir. (Eastern Asia)
Paliurus spina-christi Mill.[2]

Formerly placed here

Dracontomelon dao (Blanco) Merr. & Rolfe (as P. dao Blanco or P. edulis Blanco)
Harrisonia perforata (Blanco) Merr. (as P. perforata Blanco)[2]

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References

"Genus: Paliurus Mill". Germplasm Resources Information Network. United States Department of Agriculture. 2004-02-10. Archived from the original on 2009-05-07. Retrieved 2010-12-13.
"GRIN Species Records for Paliurus". Germplasm Resources Information Network. United States Department of Agriculture. Archived from the original on 2000-12-13. Retrieved 2010-12-13.

Rushforth, K. D. (1999). Trees of Britain and Europe. ISBN 0-00-220013-9.

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[GRIN-1] "Genus: Paliurus Mill". Germplasm Resources Information Network. United States Department of Agriculture. 2004-02-10. Archived from the original on 2009-05-07. Retrieved 2010-12-13.

[GRINSpecies-2] "GRIN Species Records for Paliurus". Germplasm Resources Information Network. United States Department of Agriculture. Archived from the original on 2000-12-13. Retrieved 2010-12-13.