The biodiversity of various species of the Gynostemma Blume genus in Cao Bang province
- Author:
Lam Van Hoang
;
On Van Tran
- Publication Type:Journal Article
- Keywords:
Gynostemma Blume;
giao cao lam;
Jiaogulan;
biodiversity
- MeSH:
Gynostemma Blume;
giao cao lam;
Jiaogulan;
biodiversity
- From:Journal of Medical and Pharmaceutical Information
2003;0(6):36-40
- CountryViet Nam
- Language:Vietnamese
-
Abstract:
Background: \u2018Giao co lam\u2019 (Jiaogulan), a valuable medicinal plant is considered ginseng for the poor. However, there were difficulties in planting and collecting because of its biodiversity. Objectives: Study on the biodiversity of various species of the Gynostemma Blume genus in Cao Bang province in order to classify species in this genus. Subjects and method: The samples of medicinal plant \u2018giao co lam\u2019 (Jiaogulan) in Cao Bang have been collected, described and identified scientific name. Results: These samples were identified with scientific names and classified based on both morphological and DNA characters. As a result, \u2018giao co lam\u2019 (Jiaogulan) in Cao Bang, belongs to two species: G. pentaphyllum (Thunb.) Makino and G. laxum (Wall.) Cogn. The species G. pentaphyllum can be divided into two varieties, including: G. pentaphyllum (Thunb.) Makino var. 1 and Gynostemma pentaphyllum (Thunb.) Makino var. 2. Conclusion: The quantity of active material in each varieties of these species might be different, so further study is required on the medicinal plant \u2018giao co lam\u2019 not only in Cao Bang but also the rest of Vietnam.
