entity acronym The following flower descriptors refer to the flowers at the axil of the first external unlifted bract. Fresh material must be used (make the observation as soon as you detach the bract/flower from the rachis). Visually observe the anther colour on the face opposite to the dehiscence split of the anther. Use colour chart B and observe out of direct sunlight. Anther colour - estimation scale_of attribute variable_of method_of