Eucnide

Eucnide urens

Eucnide is a plant genus of the family of flowers nettle plants ( Loasaceae ). It contains thirteen species that are native to South and Central America.

Description

These are annual or perennial herbaceous plants, which are staffed with nettle hair. The stalked leaves are broadly ovate to nearly circular, tapered lobed weak at the edge and cut to deep.

The inflorescences are a simple dichasium or terminally and thyrsenähnlich, occasionally with a long, final monochasium. Before every single bloom or two brakteose frondose bracteoles.

The petals are narrow ovate to ovate, occasionally verwachsenkronblättrig, yellow white, yellow or orange. The stamens are non grow to approach towards the stamens stand on the petals and are of the same shape and size. Staminodes absent. The scar is lobed three to five times.

The fruit is a constant under, cylindrical to conical and stalked capsule, the stem is occasionally greatly extended the maturity time and opens the basis of three to five tabs at the top of the fruit. The seeds are ovate. The chromosome number is 2n = 42

Dissemination

The genus is found from Guatemala to in the southwestern United States, the center manifold is Mexico.

System

Eucnide 1844 was first described by Joseph Gerhard Zuccarini. The genus is classified in the subfamily Mentzelioideae. The genus includes thirteen types:

  • Eucnide aurea ( A. Gray ) H. J. Thomps. W. & R. Ernst
  • Eucnide bartonioides Zucc.
  • Eucnide cordata Kellogg ex Curran
  • Eucnide durangensis H.J.Thomps. & A.M.Powell
  • Eucnide floribunda S.Watson
  • Eucnide grandiflora ( Groenl. ) Rose
  • Eucnide hirta ( G.Don ) H.J.Thomps. & W.R.Ernst
  • Eucnide hypomalaca Standlschmaus.
  • Eucnide lobata A. Gray
  • Eucnide rupestris ( Baill. ) H.J.Thomps. & W.R.Ernst
  • Eucnide tenella ( I.M.Johnst. ) H.J.Thomps. & W.R.Ernst
  • Eucnide urens Parry
  • Eucnide xylinea C.H.Mull ..

Evidence

  • Maximilian Weigend: Loasaceae. In: Klaus Kubitzki (ed.): The Families and Genera of Vascular Plants. Volume 6: Flowering Plants, Dicotyledons: Celastrales, Oxalidales, Rosales, Cornales, Ericales. Springer, Berlin / Heidelberg / New York 2004, ISBN 3-540-06512-1, pp. 248, doi: 10.1007/978-3-662-07257-8 ( limited preview on Google Book Search ).
  • Maximilian Weigend: Familial and generic classification. Online, accessed on 1 August 2008
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