Multiple choice The stalk of the flower is known as Bract Perianth Thalamus Pedicel Reveal answer Fill a bubble to check yourself D Correct answer Explanation It is stalk or the basel barren part of a flower. A flower with pedicel is called pedicellate, e.g., Hibiscus, Caesalpinia and without pedicel is called sessile, e.g., Polianthes, disc floret of Helianthus.