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Galium tricornutum

rough corn bedstraw
corn cleavers
three-horn bedstraw
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Gentianales
Family: Rubiaceae
Genus: Galium
Species: G. tricornutum
Binomial name
Galium tricornutum
  • Galium spurium Huds.
  • Valantia triflora Lam.
  • Valantia spuria Pers.
  • Galium tricorne var. microcarpum Gren. & Godr.
  • Galium tricorne var. laeve Texidor
  • Horneophyton tetracoccum Philbin
  • Galium borbonicum Cordem.
  • Galium kurramensis Nazim.
  • Galium tricornutum subsp. longipedunculatum Nazim.
  • Galium tehranicum M.Moussavi, A.Ghahreman & Attar

Galium tricornutum is a species of flowering plant in the coffee family known by the common names rough corn bedstraw, roughfruit corn bedstraw, and corn cleavers. It is widespread across most of Europe plus northern Africa and southern Asia, from Norway, Portugal and Morocco to China. It is also naturalized in Australia, the Canary Islands, Mauritius, Madeira, Réunion, Brazil, Argentina, and scattered locales in North America (mostly California and Oregon).[1][2][3][4]

Galium tricornutum is an annual herb with trailing or climbing stems up to about 35 centimeters in length. It forms tangled masses or spreads thin. The stems are sometimes nearly square in cross-section. Leaves are arranged in whorls of 6 to 8 about the stem and are narrow, pointed, and bordered with prickles. Flowers appear in thin clusters of white corollas. The fruits are spherical nutlets hanging in pairs at the leaf axils. This plant is sometimes a weed of grain fields.[5][6][7]


  1. ^ a b Kew World Checklist of Selected Plant Families
  2. ^ Biota of North America Program
  3. ^ Altervista Flora Italiana
  4. ^ Flora of China v 19 p 138, 麦仁珠 mai ren zhu
  5. ^ Dandy, James Edgar. 1957. Watsonia 4(1): 47–48
  6. ^ Hickman, J. C. 1993. The Jepson Manual: Higher Plants of California 1–1400. University of California Press, Berkeley.
  7. ^ Bacigalupo, N.M., E. L. Cabral & C.M. Taylor. 2008. Rubiaceae. 107(3): 2871–2920. In F. O. Zuloaga, O. N. Morrone & M. J. Belgrano (eds.) Catálogo de las plantas vasculares del Cono Sur, Monographs in Systematic Botany from Missouri Botanical Garden, Missouri Botanical Garden, St. Louis.

External links

  • Jepson Manual Treatment
  • USDA Plants Profile
  • Calphotos Photo gallery
  • Plant Life UK, corn cleavers
  • Arkive, corn cleavers
  • Herbario de la Universidad Pública de Navarra
  • Flore Alpes, Gaillet à trois cornes
  • Waste Guía de Plantas, Galio de tres flores, pegajosillo
  • Cretan Flora, Corn cleavers
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