Cephalaria

Giant dandruff head ( Cephalaria gigantea ), inflorescence.

The scales heads ( Cephalaria ) are a genus of the subfamily of the teasel family ( Dipsacoideae ).

Description

The scales are annual or perennial heads, herbaceous plants that reach heights of growth between 80 and 200 centimeters. They are hairy or hairless. The leaves are always on opposite sides. There are no stipules.

The inflorescence is typical cup shape as in the carding plants and similar to the daisy family. The bracts are leathery. The bottom of the basket is larger than the four -to eight -shaped involucre.

The hermaphrodite flowers are cruciform, with a double perianth. The calyx is cup-shaped with a multiden edge. The petals are fused together. The stamens are not attached to a tube. The two carpels are fused to an inferior ovary.

They are single-seeded fruits, the achenes are similar.

Dissemination

Your distribution area has the genus in the Mediterranean region and in Asia Minor, she finds herself, however across Southern Europe, West and Central Asia as well as in northern and southern Africa.

Etymology

The German trivial name dandruff head derives from the typical for all Dipsacaceae little head inflorescence. Even the scientific name refers to this Cephalaria, he comes from the ancient Greek κεφāλή kephale (, head ').

System

The genus includes 65 species, there is a selection:

  • Alps -dandruff head ( Cephalaria alpina (L.) Roem. & Schult. )
  • Cephalaria ambrosioides ( Sibth. & Sm ) Roem. & Schult.
  • Cephalaria coriacea ( Willd.) Roem. & Schult. ex Steud.
  • Giant dandruff head ( Cephalaria gigantea ( Ledeb. ) Bobrov )
  • Weißblütiger dandruff head ( Cephalaria leucantha (L.) Roem. & Schult. )
  • Radiant dandruff head ( Cephalaria radiata Griseb. & Schenk)
  • Syrian dandruff head ( Cephalaria syriaca (L.) Roem. & Schult. )
  • Transylvanian dandruff head ( Cephalaria transylvanica (L.) Roem. & Schult. )
  • Ural -dandruff head ( Cephalaria uralensis ( Murray ) Roem. & Schult. )

Swell

  • J. Nasir Yasin: Flora of West Pakistan 94: Dipsacaceae. Stewart Herbarium, Rawalpindi, 1975, pp. 11, OCLC 311 348 861 (online).
  • I. K. Ferguson: Cephalaria. In: TG Tutin, VH Heywood, NA Burges, DM Moore, DH Valentine, SM Walters, DA Webb ( eds.): Flora Europaea. Volume 4: Plantaginaceae to Compositae ( and Rubiaceae ), Cambridge University Press, Cambridge 1976, ISBN 0-521-08717-1, pp. 57-58 ( limited preview on Google Book Search ).
Asterids Perennial plant Ovary (botany)
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