The sequential anthesis of the individual flowers in this Banksia menziesii inflorescence has begun. Banksia menziesii, commonly known as Firewood Banksia, Menzies Banksia or Firewheel Banksia, is a Species of small Tree

Anthesis is the period during which a flower is fully open and functional. A flower, also known as a bloom or Blossom, is the reproductive structure found in Flowering plants (plants of the division Magnoliophyta, also It may also refer to the onset of that period.

The onset of anthesis is spectacular in some species. In Banksia species, for example, anthesis involves the release of the style end from the upper perianth parts. Banksia is a Genus of around 170 Species in the Plant family Proteaceae. A gynoecium (from Ancient Greek gyne, "woman" is the Female reproductive part of a Flower. The term perianth has two similar but separate meanings in botany In Flowering plants the perianth is the outer sterile whorls of a Flower (see Anthesis of flowers is sequential within an inflorescence, so when the style and perianth are different colours, the result is a striking colour change that gradually sweeps along the inflorescence. An inflorescence is a group or cluster of Flowers arranged on a stem that is composed of a main Branch or a complicated arrangement of branches