Q. 1. What is biosystematic phase ? Biosystematic phase is the part of classification showing phylogeny and relationship among the group of plants by cytological or embroylogical evidence of plants . Q. 2. What is basionym ? The combination which is based on an earliest legitimate name , the earliest legitimate name is called basionym . Q. 3 . Name the type genus of Umbelliferae . The type genus of Umbelliferae ( Apiaceae ) is Apium sp . Q. 4. What is Adansonian taxonomy ? Michel Adanson, a French botanist , included the rejection of all the artificial classification for natural and the description of taxa more or less equivalent to modern orders and families . The taxonomy which is based on Adanson principle is called Adansonian taxonomy . Q. 5. Write the name of the plant having labellum in the flower Vanda tessellata is a plant which has labellum in the flower . Q. 6. Name a plant having unistaminate flower . Vanda roxburgii (orchedaceae)...