Palisade Spurge

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Palisade Spurge
Palisade Spurge (Euphorbia characias)

Palisade Spurge ( Euphorbia characias )

Systematics
Rosids
Eurosiden I
Order : Malpighiales (Malpighiales)
Family : Spurge Family (Euphorbiaceae)
Genre : Spurge ( Euphorbia )
Type : Palisade Spurge
Scientific name
Euphorbia characias
L.
inflorescence

The palisade spurge ( Euphorbia characias ) is a species of the genus spurge ( Euphorbia ) in the family of the milkweed family (Euphorbiaceae). The scientific name comes from the Greek (charakías) and means: suitable as a fence, palisade or wine stake.

features

The perennial herbaceous plant with a woody base is usually hairy and, like all milkweed species, contains a white milky sap . It reaches heights of growth of 30 to 100 cm. The strong, upright stems are unbranched and densely leafed at the top. The whole-edged leaves are linear-lanceolate and are up to 13 centimeters long and 1 centimeter wide.

The large inflorescence is terminal. The bracts are rounded to triangular and fused into a cup-shaped yellowish-green pseudo-flower . The four nectar glands are kidney-shaped and reddish brown. The triple capsule fruit is hairy.

The flowering period extends from February to July.

The chromosome number for both subspecies is 2n = 20.

Occurrence

The palisade milkweed prefers macchies , garigues , fallow and pasture areas, open forests and ruderal locations as a location .

Systematics

The species occurs in two geographically separated subspecies :

  • The subspecies Euphorbia characias subsp. characias is distributed from Portugal and Morocco through Italy to Crete, Libya and Turkey.
  • The subspecies Euphorbia characias subsp. wulfenii (Hoppe ex WDJKoch) Radcl.-Sm. (Syn .: Euphorbia wulfenii Hoppe ex WDJKoch ) occurs from southern France to Asia Minor.

literature

  • Carl von Linné: Species Plantarum 1, 1753, p. 455 (online). * Dankwart Seidel: Flowers on the Mediterranean. Determine accurately with the 3-check . BLV, Munich 2002, ISBN 3-405-16294-7 .

Individual evidence

  1. Helmut Genaust: Etymological dictionary of botanical plant names. 3rd, completely revised and expanded edition. Nikol, Hamburg 2005, ISBN 3-937872-16-7 , p. 147 (reprint from 1996).
  2. ^ Euphorbia at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis.
  3. a b c Rafaël Govaerts (Ed.): Euphorbia characias. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved May 20, 2017.

Web links

Commons : Palisaden-Spurge ( Euphorbia characias )  - Album with pictures, videos and audio files