The orchid Holttumara Loke Tuck Yip is a hybrid registered with the Royal Horticultural Society by Loke Che Sung in 1964. It is originated by Corona Nurs.
Top three species ancestors and their influences are

• Renanthera storiei (50.00%)
• Arachnis hookeriana (25.00%)
• Vanda tricolor (25.00%)  section: Deltoglossa