Cotula

Cotula barbata

The cotula ( Cotula ), also called Fiederpolster, are a genus of flowering plants in the southern hemisphere native daisy family (Asteraceae). The only occurring in Central Europe is the kind of liquor flower ( Cotula coronopifolia ).

Features

The lye flowers are annual to perennial, herbaceous plants. Your most change-constant and scheidig - stalk comprehensive, often against permanent leaves are somewhat fleshy, deeply pinnately divided and rarely entire.

The bloom conditions usually contain only tubular flowers. They are repeated to many flowered and are available individually, terminal or axillary, at the end of a long stalk. In its heyday, they are more or less upright. The bracts are in one or two rows and are not leaf-like foliage. The basket bottom is flat, curved or tapered, has no chaff leaves, and is bald or hairy. The flowers are stalked, have no pappus and have a yellow crown. The ray florets are female, her crown is small and often stunted. The inner petals are hermaphrodite, or functionally male, her crown is Roehrig, flattened and vierzipfelig.

The achenes are flattened and bear no pappus.

Dissemination

The genus is widespread in the southern hemisphere: their focus is on the Capensis, some species also occur in South America, Australia and East Africa. The lye flower ( Cotula coronopifolia ) is now cosmopolitan, two species occur in China.

System

The name derives from the Greek Cotula kotyle = cup, bowl, bowls, and refers to the extensive stalk leaves that resemble a bowl.

The genus is placed in the subfamily herbaceous and in the tribe Anthemideae within the family Asteraceae. The details of the number of species vary from 55 to 80

A selection of Types:

  • Cotula alpina ( Hook.f. ) Hook.f.: Based in New South Wales, Victoria and Tasmania.
  • Cotula australis ( Spreng. ) Hook.f.: Occurrence in Australia and New Zealand
  • Cotula bipinnata Thunb. Based in Australia.
  • ( Krähenfüßige ) liquor flower ( Cotula coronopifolia L.): native South Africa, including naturalized along the coasts of Denmark, Germany and the Netherlands; wild in Australia.
  • Cotula cotuloides ( Steetz ) Druce
  • Cotula turbinata L.
  • Cotula goughensis RNRBrown: endemic to Tristan da Cunha
  • Cotula moseleyi Hemsl. , Endemic to Tristan da Cunha

The section Leptinella is considered by some botanists ) as a separate genus. It includes some species of New Zealand, which are used in garden design as a ground cover (called " Fiederpolster " ):

  • Cotula dioica ( Hook.f. ) Hook.f., Syn Leptinella Hook.f. dioica ), the main islands of New Zealand
  • Fiederpolster ( Cotula potentillina ( F.Muell. ) Druce, Syn Leptinella potentillina F.Muell. ), Auckland Islands and Chatham Islands
  • Brown Fiederpolster ( Cotula squalida ( Hook.f. ) Hook.f., Syn leptin squalida Hook.f. ), main islands of New Zealand and the Chatham Islands

Documents

  • Siegmund Seybold (ed.): Schmeil Fitschen - interactive ( CD -Rom ), Quelle & Meyer, Wiebelsheim 2001/2002, ISBN 3-494-01327-6
  • David G. Lloyd: A revision of the New Zealand, Subantarctic, and South American species of Cotula, Section Leptinella. New Zealand Journal of Botany Volume 10, 1972, p 277-372. (PDF, 8.4 MB)
  • Information on the genus in Aluka. (English )
  • Description in the Flora of New South Wales. (English )
Asteroideae Perennial plant Pappus (flower structure)
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