Acmella oleracea (L.) R.K.Jansen, Syst. Bot. Monogr. 8. 65, 1985
Syn: Spilanthes oleracea L., Syst. Nat. 2: 534. 1767; Spilanthes acmella var. oleracea (L.) C. B. Clarke ex Hook.
Annual decumbent herb with ovate to deltate 6-10 cm long leaves with narrowly winged up to 4 cm long petioles, margin dentate; heads solitary, discoid, on long peduncles, 11-17 mm in diam, 10-23 mm high; phyllaries 15-18, triseriate; disc florets, yellow, 5-merous; achenes 2-2.5 mm long, black, without cork-like margin, ciliate with straight hairs; pappus bristles inconspicuous, 2.
Photographed from Hamdard University Herbal Garden New Delhi and TDL Herbal Garden Yamuna Nagar.
--
Dr. Gurcharan Singh
Retired Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297 Mob: 9810359089
http://people.du.ac.in/~singhg45/