Botanical name: Monochoria hastata Family: Pontederiaceae (Pickerel weed family)
Arrow-leaf Pondweed is an emergent aquatic herb with stems approximately 0.7-1.2 m long. The basal leaves are arrow-shaped. The inflorescence of 25- 60 flowers is in a dense spike 6-9 cm long. The flowers are 13-16 mm long, purple or whitish. One anther is coloured blue, c. 6 mm long, the other 5 anthers are yellow and c. 4 mm long. The seed capsule is 7 mm long, and 5-6 mm diameter. This species occurs in India, Sri Lanka and SE Asia, extending to New Guinea and Australia. Arrow-leaf Pondweed is often grown as an ornamental in water gardens, and the entire plant except its roots is eaten in India. Flowering: March–June.
Medicinal uses: Plant is considered alterative, tonic and cooling. Juice of leaves is applied to boils. Rhizomes are powdered with charcoal and used for scurf.
The flower labeled Arrow Leaf Pondweed is ...