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  Andrographis paniculata
  Citation:  Andrographis paniculata (Burm. f.) Wall. ex Nees in Wall., Pl. Asiat. Rar. 3: 116. 1832; Hook. f., Fl. Brit. India 4: 501. 1884; Gamble, Fl. Pres. Madras 1048(734). 1924; Manilal & Sivar., Fl. Calicut 214. 1982; Mohanan, Fl. Quilon Dist. 299. 1984; Antony, Syst. Stud. Fl. Kottayam Dist. 298. 1989; Ramach. & V.J. Nair, Fl. Cannanore Dist. 331. 1988; Manilal, Fl. Silent Valley 202. 1988; Babu, Fl. Malappuram Dist. 568. 1990; M. Mohanan & Henry, Fl. Thiruvanthapuram 342. 1994; Subram., Fl. Thenmala Div. 267. 1995; Sasidh., Fl. Shenduruny WLS 232. 1997; Sasidh., Fl. Periyar Tiger Reserve 292. 1998; Mohanan & Sivad., Fl. Agasthyamala 503. 2002; Sunil & Sivadasan, Fl. Alappuzha Dist. 532. 2009; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 606. 2009. Justicia paniculata Burm. f., Fl. Ind. 9. 1768. Andrographis subspathulata Clarke in Hook. f., Fl. Brit. India 4: 502. 1884.
  Malayalam Name(s): Kaakanjiram, Kiriyathu, Nilavepu, Nilamkanjiram
  Tamil name(s): Kalmegh
  English name(s): Andrographis, Green chiretta, Kalmegh
  Description: Slender herbs; branches glabrous. Leaves simple, opposite, 9 x 1.5 cm, elliptic, acuminate at apex, base acute, decussate, glabrous. Panicle terminal and upper axillary, glandular-hairy; flowers many, distant. Calyx lobes 3 mm long, linear, hairy, connate at base. Corolla 14 mm long, pink or white with purple dots, tube ventricose, hairy, upper lip entire, midlobe of lower lip broader than laterals, acute, glandular-hairy. Ovary puberulus, style hairy. Capsule 20-30 x 3 mm, oblong, acute, hairy; retinacula spoon shaped; seeds 8, glabrous.
  Habit: Herb
  Flowering & Fruiting: March-December
  District(s): All Districts
  Medicinal: Yes
  Habitat: Scrub jungles, also in the plains
  Distribution: Peninsular India and Sri Lanka
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): Violet
  Weed: No
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: No
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Altitude: 300-500
  Localities: KFRI garden, Rosemala, Kattalappara, Thannikkudy, Campshed area, Panur, Thenmalai, Ariankavu, Puliyoor, Kappukadu
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