Agrimonia

Common Agrimony ( Agrimonia eupatoria )

The agrimony ( Agrimonia ) is a plant genus of the subfamily of Rosoideae within the rose family ( Rosaceae ).

Description

Agrimony types are large, perennial herbaceous plants that grow from a rhizome. The stems are hairy. The alternate, stalked leaves are pinnate and up to 25 inches long. The leaflets are toothed. The shelter non -blown, large stipules are fused with the base of the petiole.

The axillary or terminal, usually discontinuous, racemose inflorescences usually contain many flowers. The approach of the peduncle arise two lobed bracts. The very small, five-fold, radial symmetry flowers are hermaphrodite. The flower cup is at his throat nearly closed by a dome-shaped, occupied on the outside with hakigen spines disc. An outer cup is missing. The five sepals are above each other like roof tiles and close after the end of flowering on the expectant fruit. The five petals are usually yellow, rarely white. The flowers have five to ten, rarely up to twenty stamens. Each flower contains two free carpels. The pens are thready.

The flower develop - enclosed in the cup - usually two, sometimes only one achene with thin, leathery pericarp and spines. The outer shell of the seed is membranous.

The chromosome numbers be 2n = 28 or 56, with 42 hybrids

Dissemination

The genus Agrimonia is widely used in Europe and Asia and penetrates up to Sri Lanka and Java before. A few species are also found in North America to Mexico, one in Haiti and a few in Brazil. Agrimony in certain countries outside of their actual distribution area neophytes, such as in South Africa.

The genus Agrimonia is native to temperate regions, in the tropics it withdraws into montane altitudinal zones. While some species growing as " weeds ", the majority found mostly in open vegetation.

Species

The genus Agrimonia include about ten to 15 species, including:

  • Agrimonia coreana Nakai: It comes from eastern Russia to Japan and Korea in the Chinese provinces of Jilin, Liaoning, Shandong and Zhejiang before.
  • Common Agrimony Agrimony or Small ( Agrimonia eupatoria L.), Origin: Europe, Asia, North Africa
  • Agrimonia gryposepala Wallr. It is distributed to Guatemala from California to eastern North America, the Mexican mountains ( Chiapas ).
  • Agrimonia incisa Torr. & A. Gray: It occurs only in the southeastern United States.
  • Agrimonia nipponica Koidz. It occurs only in Japan.
  • Agrimonia parviflora Aiton: It is widespread in eastern North America.
  • Agrimonia pilosa Ledeb. It is widespread in Eurasia from Eastern Europe, northern India, Bhutan, Sikkim, Nepal, Myanmar, northern Laos, northern Thailand, Mongolia, Russia, all over China, northern Vietnam, Korea, Japan.
  • Big agrimony or Fragrant Agrimony ( Agrimonia procera Wallr. ), Origin: Europe
  • Agrimonia pubescens Wallr. It is distributed in North America.
  • Agrimonia repens L.: The home is Turkey, and Iraq, and it is naturalized in Europe.
  • Agrimonia rostellata Wallr. The home is located in the U.S..
  • Agrimonia striata Michx. She is from California to eastern North America and the Mexican mountains spread.

Evidence

  • Chaoluan Li (Li Chao- luang ), Hiroshi Ikeda, Hideaki Ohba: Agrimonia, S. 382 - the same text online as well as printed work, PDF 4.6 MB, In: Wu Zheng -yi and Peter H. Raven (eds.): Flora of China, Volume 9 - Pittosporaceae through Connaraceae, Science Press and Missouri Botanical Garden Press, Beijing and St. Louis, 2003, ISBN 1-930723-14-8. . (Sections describe and disseminate )
  • C. Kalkman: Rosaceae. In: Klaus Kubitzki (ed.): The Families and Genera of Vascular Plants - Volume VI - Flowering Plants - Dicotyledons - Celastrales, Oxalidales, Rosales, Cornales, Ericales, 2004, pp. 361-362, ISBN 978-3-540 - 06512-8
Rosids
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