Sepal Sepal A sepal ( or ) is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom. The term "sepalum" was coined by Noël Martin Joseph de Necker in 1790, and derived from the Greek σκεπη ("skepi"), a covering. Collectively the sepals are called the calyx (plural calyces), the outermost whorl of parts that form a flower. The word "calyx" was adopted from the Latin "calyx", not to be confused with "calix", a cup or goblet. "Calyx" derived from
Glandularia gooddingii Glandularia gooddingii Glandularia gooddingii is a species of flowering plant in the verbena family known by the common name southwestern mock vervain. It is native to the southwestern United States and northern Mexico, where it occurs in sandy and rocky desert habitat. It is a perennial herb producing several hairy, decumbent to erect stems up to 45 centimeters long. The hairy leaves are generally divided at the base into a few lobes, which are edged with large teeth or small lobes. The plant blooms in large, dense, head-like spikes of many flowers. Each flower has a calyx of hairy sepals