Eupatorium

Common agrimony ( Eupatorium cannabinum )

The agrimony ( Eupatorium ), also known as water hemp, is a genus of flowering plants in the sunflower family ( Asteraceae). Worldwide there are about 45 species.

Description

Eupatorium species are ausdauerndeausdauernde herbaceous plants or subshrubs, reach stature heights of 30 to 200 centimeters. The usually opposite, mostly sessile leaves have smooth or serrated leaf margins. In large terminal, paniculate total inflorescences are often many basket- shaped part inflorescences together. The individual flowers are white to dark violet colored. Are formed fünfrippige achenes.

Dissemination

In Europe, North Africa and the Middle East only one is native, the common agrimony ( Eupatorium cannabinum ). The other species are mostly found in North America, some in East Asia. They prefer moist soils or semi- shady places. Only a few species are used as ornamental plants.

System

The genus Eupatorium was first published in 1753 by Carl Linnaeus. A synonym of Eupatorium L. Eupatoriadelphus RMKing & H.Rob. The genus Eupatorium contained 800 to 1200 species in previous wide views, but was split into many genres. In the genus Eupatorium in the strict sense remain about 45 species:

  • Common agrimony ( Eupatorium cannabinum L.)
  • Eupatorium amabile Kitam.
  • Eupatorium chinense L.
  • Eupatorium formosanum Hayata
  • Eupatorium fortunei Turcz.
  • Eupatorium heterophyllum DC.
  • Eupatorium hualiense C.H.Ou, S.W.Chung & C.I.Peng
  • Eupatorium japonicum Thunb.
  • Eupatorium lindleyanum DC.
  • Eupatorium luchuense Nakai
  • Eupatorium nanchuanense Y.Ling & C.Shih
  • Eupatorium omeiense Y.Ling & C.Shih
  • Eupatorium shimadae Kitam.
  • Eupatorium tashiroi Hayata
  • Eupatorium album L.
  • Eupatorium L. altissimum
  • Eupatorium anomalum Nash
  • Eupatorium capillifolium ( Lam.) Small
  • Eupatorium compositifolium Walter
  • Eupatorium fernaldii R.K.Godfrey
  • Eupatorium godfreyanum Cronquist
  • Eupatorium L. hyssopifolium
  • Eupatorium lancifolium ( Torrey & A. Gray ) Small
  • Eupatorium leptophyllum DC.
  • Eupatorium leucolepis ( DC.) Torr. & A. Gray
  • Eupatorium linearifolium Walter
  • Eupatorium mikanioides Chapm.
  • Eupatorium mohrii Greene
  • Eupatorium novae- angliae ( Fernald ) VISullivan ex A.Haines & Sorrie
  • Eupatorium oblongifolium ( Spreng. ) Sch.Bip. ex Baker
  • Eupatorium paludicola E.E.Schill. & LeBlond
  • By adult Wasserdost ( Eupatorium perfoliatum L.)
  • Eupatorium petaloideum Britton
  • Eupatorium pilosum Walter
  • Eupatorium resinosum Torr.
  • Eupatorium L. rotundifolium
  • Eupatorium semiserratum DC.
  • Eupatorium serotinum Michx.
  • Eupatorium L. sessilifolium
  • Eupatorium vaseyi Porter

Swell

  • Kunsiri Chaw Siripun, Edward E. Schilling: Eupatorium. In: Flora of North America Editorial Committee ( eds.): Flora of North America North of Mexico. Volume 21: Magnoliophyta: unranked, part 8: Asteraceae, part 3 ( Heliantheae, Eupatorieae ), Oxford University Press, New York / Oxford et al 2006, ISBN 0-19-530565-5, p 462 (online).
Asteroideae Perennial plant Agricultural Research Service
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