Galium spurium

Galium spurium
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Gentianales
Family:	Rubiaceae
Genus:	Galium
Species:	G. spurium
Binomial name
	Galium spurium; L.

Galium spurium, the stickwilly^[1] or false cleavers, is a plant species of the Rubiaceae. It is widespread across Europe, Asia, Africa and Canada, and is naturalized in Australia.^[2]^[3]^[4] It is considered a noxious weed in many places.^[5]

Galium spurium is an erect or reclining herb up to 50 cm tall. Stems are square in cross-section. Leaves are in whorls of 6–8, narrowly lanceolate. Flowers are in multi-flowered cymes or panicles, white or yellow-green.^[6]

Subspecies

Many varietal and subspecific names have been proposed, but at present (May 2014) only 3 are recognized:^[2]

Galium spurium subsp. africanum Verdc. - mountains of tropical and southern Africa; also Saudi Arabia, Yemen, Socotra
Galium spurium subsp. ibicinum (Boiss. & Hausskn.) Ehrend. - Turkey, Iran, Iraq, Afghanistan, Pakistan, Turkmenistan, Tajikistan
Galium spurium subsp. spurium - widespread

References

^ Lee, Sangtae; Chang, Kae Sun, eds. (2015). English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. p. 475. ISBN 978-89-97450-98-5. Retrieved 12 March 2019 – via Korea Forest Service.
^ ^a ^b Kew World Checklist of Selected Plant Families
^ Altervista Flora Italiana
^ Moss, E. H. 1983. Flora of Alberta (ed. 2) i–xii, 1–687. University of Toronto Press, Toronto.
^ Wenming Zhang & K. L. Bailey. 2000. Biological Control of Cleavers (Galium spurium and G. aparine) with Pathogenic Fungi - Exploration and Discovery. Proceedings of the X International Symposium on Biological Control of Weeds 4-14 July 1999, Montana State University, Bozeman, Montana USA Neal R. Spencer (ed.). pp. 117-123
^ Flora of China v 19 p 136, 猪殃殃 zhu yang yang Galium spurium

External links

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[1] Lee, Sangtae; Chang, Kae Sun, eds. (2015). English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. p. 475. ISBN 978-89-97450-98-5. Retrieved 12 March 2019 – via Korea Forest Service.

[peggyearnshaw-2] Kew World Checklist of Selected Plant Families

[3] Altervista Flora Italiana

[4] Moss, E. H. 1983. Flora of Alberta (ed. 2) i–xii, 1–687. University of Toronto Press, Toronto.

[5] Wenming Zhang & K. L. Bailey. 2000. Biological Control of Cleavers (Galium spurium and G. aparine) with Pathogenic Fungi - Exploration and Discovery. Proceedings of the X International Symposium on Biological Control of Weeds 4-14 July 1999, Montana State University, Bozeman, Montana USA Neal R. Spencer (ed.). pp. 117-123

[6] Flora of China v 19 p 136, 猪殃殃 zhu yang yang Galium spurium

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