Diversity of flowering plants in Gao Giong ecotourism area, Cao Lanh district, Dong Thap province

Tóm tắt

The study was conducted to assess the diversity of flowering plants (Magnoliophyta) in Gao Giong ecotourism area, Cao Lanh district, Dong Thap provine, through field surveys and plant sampling collection in typical habitats. The results recorded 89 families, 249 genera and 337 species. Taxa belonging to Magnoliopsida (Dicotyledonae) are more diversified than Liliopsida (Monocotyledonae) with 240 species, 174 genera and 68 families. Families of most species members are Poaceae, Fabaceae, Asteraceae, Cyperaceae and Amanrathaceae. Genera of most diverse species are Cyperus, Ficus, Ipomoea, Nymphaea and Alternanthera. The flora has 5 main types of stem forms: woody plants, herbs, shrubs, vines and parasitic plants in which herbaceous plants dominate with 192 species. Value used of plants has been 10 main groups. Among these, medicinal plants have most diversity with 205 species (60.83%). Gao Giong ecotourism has 2 endangered species listed in Vietnam’s Red Book (2007) of Oryza rufipogon and Elaeocarpus hygrophilus.