Scaevola

Scaevola chamissoniana

Fan flowers ( Scaevola, Syn: Lobelia Mill, Nigromnia Carolin ) is a genus in the family of Goodeniengewächse ( Goodeniaceae ). Best known is the bedding and balcony plant Blue fan flower ( Scaevola aemula ). The home of the species is Australia and Polynesia.

Description

They are evergreen, perennial, usually herbaceous plants, rarely subshrubs, shrubs or small trees. Only a few species have spines. The simple, often sessile leaves are usually alternate, rarely opposite constantly and the leaf margins are entire or serrated.

The flowers appear singly in the leaf axils or in zymösen, or racemose inflorescences aged men. The hermaphrodite, five petals are zygomorphic; as well as the common names in different languages ​​say, they are fan-shaped. Almost always are five small sepals present. The five petals are fused at the base. It's just a circle with five free stamens present. Two carpels are fused to a half-submerged or inferior ovary.

They are drupes. The seeds can be winged or wingless.

Species

There are about 70 to 130 Scaevola species ( selection):

  • Blue Fan Flower ( Scaevola aemula R.Br. )
  • Scaevola collaris F.Muell.
  • Scaevola coriacea Nutt.
  • Scaevola platyphylla Lindl.
  • Scaevola plumieri (L.) Vahl ( Syn: .. Lobelia frutescens Mill, Lobelia plumieri L., Scaevola thunbergii Eckl & Zeyh )
  • Scaevola striata R.Br.
  • Scaevola taccada ( Gaertn. ) Roxb. ( Syn: . Lobelia taccada Gaertn, Scaevola frutescens K.Krause, Scaevola koenigii Vahl, Scaevola sericea Vahl )

Pictures

Scaevola taccada:

With blossom

With blossom

Illustration

Other types:

Scaevola gaudichaudii

Swell

  • Description of the genus in the Western Australian flora. (English )
  • The genus in the Flora of Pakistan. (English )
Asterids Ovary (botany)
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