Botanical name: Eriocaulon sedgwickii Family: Eriocaulaceae (Pipewort family)
Spherical Pipewort is an erect annual aquatic herb, 15-20 cm tall. Stems are almost absent. Long membranous leaves, 7-15 cm, arise from the roots, with sheaths at the base. Minute white flowers are arranged in spherical heads, carried on long, slender, grooved, vertical stalks. Flowers are white, 7-9 mm diameter. Bracts below the flowers are black. Spherical Pipeworts are occasionally found gregariously growing in shallow flowing water on plateaus in Western Ghats. Flowering: August.
Identification credit: Rahul Prabhu Khanolkar
The flower labeled Spherical Pipewort is ...