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Cymbopogon distans
Scientific Name: Cymbopogon distans
Family: Poaceae
Category: Monocot
Growth:
Duration:
Other Names:
Cymbopogon distans: Aromatic Grass of the Himalayas
Cymbopogon distans, commonly known as Yun Xiang Cao (???) in Chinese, is a perennial aromatic grass native to the temperate Himalayan region. It is valued for its essential oils and has been introduced to subtropical regions.
Taxonomy and Nomenclature
- Scientific Name: Cymbopogon distans (Nees ex Steud.) Wats.
- Family: Poaceae (Grass family)
- Synonyms:
- Andropogon nardus var. distans (Steud.)
- Cymbopogon distans (Nees ex Steudel) Will. Watson
- Cymbopogon distans (Nees) J.F. Watson
Distribution and Habitat
- Cymbopogon distans is found in the temperate Himalayan region.
- It thrives in xerophytic grasslands of the upper Himalayas.
- It has also been found in Gansu, Guizhou, Shaanxi, Sichuan, Tibet, and Yunnan provinces in China.
- The plant has been successfully introduced to subtropical India.
Morphological Characteristics
- Habit: Perennial caespitose (growing in tufts or clumps).
- Butt sheaths: Glabrous (smooth) or sparsely hairy.
- Culms (stems): Erect, 45-90 cm long.
- Ligule: An eciliate membrane (a small, thin membrane without hairs).
Interactions with Other Organisms
- The essential oil of Cymbopogon distans has repellent properties against stored-product insects.
Traditional Uses
- In traditional Chinese medicine, it is known as Yun Xiang Cao (???).
- It has a warm nature and a pungent, bitter flavor.
- One of its traditional functions is to disperse cold.
Further Information
- Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service.
- Catalogue of Life China, 2013 Annual Checklist (Biodiversity Committee, Chinese Academy of Sciences).
- Kew.org grasses database: http://www.kew.org/data/grasses-db/www/imp02630.htm