Star marigold

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Star marigold
Star marigold (Calendula stellata)

Star marigold ( Calendula stellata )

Systematics
Order : Astern-like (Asterales)
Family : Daisy family (Asteraceae)
Subfamily : Asteroideae
Tribe : Calenduleae
Genre : Marigolds ( calendula )
Type : Star marigold
Scientific name
Calendula stellata
Cav.

The star marigold ( Calendula stellata ) is a species of the genus marigolds ( Calendula ) within the sunflower family (Asteraceae).

description

Star marigold ( Calendula stellata ) - leaves with white bristles

The star marigold grows as an annual herbaceous plant with an upright, usually heavily branched and leafy stem . It reaches heights of growth of 14 to 40, rarely up to 50 centimeters. The leaves are elongated-lanceolate to narrowly ovate and toothed with entire margins to cupped. The leaves are ciliate and glandular at the edge. Stems and leaves are rough with short white bristles.

The cups have a diameter of 2 to 4.5 centimeters. The green bracts are often reddish at the tip and densely glandular-sticky. The flowers are golden yellow with a purple-purple to almost black disc. The ray-florets, which are twice as long as the bracts, are tinged with purple at the tip. The outer achenes are winged and have a long beak.

The number of chromosomes is 2n = 14.

Occurrence

The star marigold has its main distribution area in the western Mediterranean area from Sicily to the west, particularly in Tunisia, Algeria and Morocco including the Canary Islands .

literature

  • Adalbert Hohenester, Walter Welss: Excursion flora for the Canary Islands. With views of the whole of Macaronesia . Eugen Ulmer, Stuttgart (Hohenheim) 1993, ISBN 3-8001-3466-7 ( PDF file; 23.2 MB ).
  • RD Meikle: Calendula L. 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. 206–207 (English, limited preview in Google Book Search).

Web links

Commons : Star marigold ( Calendula stellata )  - Collection of images, videos and audio files

Individual evidence

  1. Calendula stellata at Tropicos.org. Missouri Botanical Garden, St. Louis
  2. Calendula stellata in the Invasive Species Compendium on CABI.org, accessed on March 8, 2016 (English)