Palisade Spurge
Palisade Spurge | ||||||||||||
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Palisade Spurge ( Euphorbia characias ) |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Euphorbia characias | ||||||||||||
L. |
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
- ↑ 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).
- ^ Euphorbia at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis.
- ↑ 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.