1230

 Acmella paniculata (Wall. ex DC.) R.K.Jansen;

Synonyms	:	Spilanthes calva var. calva
Family	:	Asteraceae
		.
Flowering and fruiting period	:	September to January.
Distribution	:	India: Assam, Odisha, Meghalaya; Tropical America
Distribution in Kerala		Palakkad, Kottayam, Kasaragode, Kollam, Idukki, Pathanamthitta,
Habitat	:	marshes, along water courses and in rice fields
Uses	:	Hewing the heads relieves toothache or a tincture made from the flower heads and applied in some lint to the teeth and gums is even more effective against tooth-ache.
Key Botanical Characters: Procumbent herbs, stem scabrid. Leaves 3-4 x 2-2.5 cm, ovate, apex acute, scabrous above and below; petiole 1 cm long. Heads 10 x 7 mm, solitary, conical; peduncles to 10 cm long, bracts 4 x 2 mm, ovate, obtuse, glandular; receptacle spicate, paleaceous. Flowers similar; corolla tubular, 2.5 mm long, campanulate above; lobes 0.5 mm long, ovate, acute, glabrous; anthers black. Achenes 2 x 1 mm, obovate, biconvex, dark brown, glandular.