PLatE XI 
OBPRONIA QUADRILATERA Jayaweera. 1, plants with inflorescences. 2, part of the 
inflorescence showing the arrangement of the flowers on the rachis. 3, flower 
from front. 4, flower from side, three quarters view. 5, bract, sepals, petals, 
lip and column spread out from front. 6, pollinia with gland. 7, anther from 
front. 8, fruit. 
