Brindavan Botanical Garden, Hetauda
Brindavan BG was established in 1962 AD (2019 BS) as a medicinal herbal garden under the Department of Plant Resoureces, Nepal formerly named as Department of Medicinal Plants. It is located at an altitude of 350-400 m in tropical zone of Churiya range of Central Nepal, Hetauda sub-metropolitan city, Padam pokhari area on the side of Rapti River. It covered 96 hectre which is surrounded by Sal (Shorea robusta) forest and deciduous riverine forest. It conserved more than 362 plant species in in-situ and ex-situ condition. Some conserved plants are Santalum album (Srikhanda), Cycas pectinata (Jagar), Euphorbia royelaena (Siudi), Rauvolfia serpentine (Sarpagandha), Asparagus racemosus (Kurilo), Acacia catechu (Khayar), Tinospora sinensis (Gurjo), Dalbergia latifolia (Satisal), Pterocarpus marsupium (Bijay sal), Michelia champaca (Champ), Cinnamomum tamala (Tej pat), Terminalia chebula (Harro), Terminalia bellirica (Barro), Phyllanthus emblica (Amala), Azadirachta indica (Neem), Oroxylum indicum (Tatelo), Acacia rugata (Sikakai), Stevia rebaudiana (Stevia), Cephaelis ipecacuanha (Ipikak), Mentha arvensis (Mentha), Murraya koenigii (Mitho neem), etc. It also conserved some threaten plants as Alstonia scholaris (chhattiwan), Cinnamomum glaucascens (Sugandha kokila), orchids, rare and endangered plants, etc. It has demoplots of different medicinal plants, 2 orchid houses, 3 shade houses, Rose garden, rock garden, round garden, herbal garden, exhibition hall, herbarium and phyto-chemical laboratory. The exhibition hall comprises well labelled samples of more than 200 medicinal plants and their usable parts. The herbarium comprises more than 2,000 specimens collected from different regions of Makwanpur district. The phyto-chemistry laboratory comprises 3 soxhlet apparatus (oil percent estimator), different chemicals, grinder and other equipments. It has been estimated oil percentage of more than 50 species some are Acorus calamus (0.3%), Aegle marmelos (0.9%), Ageratum conyzoides (0.2%), Cinnamomum camphora (1.5%), Cinnamomum glausescens (1.5%), Eucalyptus citriodora (1.3%), etc.