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Origanum dictamnus
''Origanum dictamnus'' (dittany of Crete, Cretan dittany or hop marjoram), known in Greek as Δίκταμο (''díktamo'', cf. "dittany") or in Cretan dialect Έρωντας (''erontas'', "love"), is a tender perennial plant that grows 20–30 cm high. It is a healing, therapeutic and aromatic plant that only grows wild on the mountainsides and gorges of the Greek island of Crete, Greece. The dittany of Crete is widely used for food flavouring and medicinal purposes, in addition to it featuring as an ornamental plant in gardens. This small, lanate shrub is easily recognised by the distinctive soft, woolly covering of white-grey hair on its stems and round green leaves, giving it a velvety texture. Tiny rose-pink flowers surrounded by brighter purple-pink bracts add an exuberant splash of colour to the plant in summer and autumn. The dittany is classified as vulnerable on the IUCN Red List of Threatened Plant Species 1997.〔Walter, K.S. and Gillett, H.J. (1998) 1997 IUCN Red List of Threatened Plants. IUCN (The World Conservation Union), Gland, Switzerland and Cambridge, UK.〕
==Description==
''Origanum dictamnus'' is a many branched plant with discoid to ovate, grey-green leaves that are sited in pairs opposite each other. The slender arching stems and lanate leaves are covered in a velvety white down and are 13–25 mm in size.
The flowers are pale pink to purple and have a deep lilac corolla with many deep pink coloured overlapping bracts. The colourful flowers forming a cascade of elongated clusters are in bloom in the summer months. The flowers are hermaphrodite, meaning they have both male and female organs, and are pollinated by bees attracted to their scent and bright colour.
The primary ingredients of its essential oil were found to be carvacrol (68.96%), β-phellandrene (18.34%) and p-cymene (4.68%).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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