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Ageratum conyzoides
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Family:
ASTERACEAE/COMPOSITAE
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Citation: Ageratum conyzoides L., Sp. Pl. 839. 1753; Clarke, Comp. Ind. 30. 1876; Hook. f., Fl. Brit. India 3: 243. 1881; Gamble, Fl. Pres. Madras 677(476). 1921; Manilal & Sivar., Fl. Calicut 151. 1982; Mohanan, Fl. Quilon Dist. 224. 1984; Ansari, Fl. Kasaragod Div. 208. 1985; Manilal, Fl. Silent Valley 147. 1988; Ramach. & V.J. Nair, Fl. Cannanore Dist. 241. 1988; Antony, Syst. Stud. Fl. Kottayam Dist. 208. 1989; Babu, Fl. Malappuram Dist. 358. 1990; Vajr., Fl. Palghat Dist. 248. 1990; M. Mohanan & Henry, Fl. Thiruvanthapuram 252. 1994; Subram., Fl. Thenmala Div. 186. 1995; Uniyal in Hajra et al., Fl. India 12: 348. 1995; Sasidh. et al., Bot. Stud. Med. Pl. Kerala 9, 21, 29; Sasidh. & Sivar., Fl. Pl. Thrissur For. 244. 1996; Sasidh., Fl. Shenduruny WLS 172. 1997; Sivar. & Mathew, Fl. Nilambur 359. 1997; Sasidh., Fl. Periyar Tiger Reserve 193. 1998; Sasidh., Fl. Chinnar WLS 161. 1999; Pradeep, Fl. Vellarimala 86. 2000; Sasidh., Fl. Parambikulam WLS 165. 2002; Mohanan & Sivad., Fl. Agasthyamala 368. 2002; Anil Kumar et al., Fl. Pathanamthitta 274. 2005; Sunil & Sivadasan, Fl. Alappuzha Dist. 374. 2009; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 457. 2009.
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Malayalam Name(s):
Appa, Kattappa, Kumminnipacha, Murianpacha, Pokasunga
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Tamil name(s):
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English name(s):
Appa grass, Goat weed, White weed
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Description:
Herbs, viscid hairy. Leaves simple, opposite, 5-7 x 3-5 cm, ovate, apex acute, crenate, base rounded; petiole 1-3 cm long. Heads white, to 7 mm across, in terminal corymbose panicle; bracts 1-3-seriate, 3-4 mm long, elliptic, toothed at apex, 3-ribbed. Flowers all similar, bisexual. Corolla 2.5 mm long, tubular, white, glabrous, 5-lobed at apex. Stamens 5, anthers linear. Achenes 2 mm long, linear, 5-angled, hirsute along the angles; pappus 3-4 mm long, many, setaceous.
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Habit:
Herb
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Flowering & Fruiting:
August-December
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District(s):
All Districts
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Medicinal:
Yes
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Habitat:
Weed in fallow fields and wastelands in the High Ranges
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Distribution:
Pantropical
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Aquatic:
No
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Epiphyte(s):
No
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Saprophyte:
No
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Stem parasite:
No
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Root parasite:
No
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Flower colour(s):
White, Blue
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Weed:
Yes
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Monocot/Dicot:
Dicotyledonous Plants
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Exotic:
Yes
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Garden:
No
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Edible:
No
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Vegetable:
No
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Endemic to:
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IUCN status:
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Altitude:
300-1500
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Localities:
Peechi, Kattalappara, Karumpara, Thekkady, Karimala, Thunakkadavu, Nelluyampathy forests, Puthukulam, Pathenthode, Campshed area, Taliparamba, Chindaki forest, Pooyamkutty, Nedumkayam, Vaniampuzha, Machiri, Kulathupuzha, Ettapadappu, Thenmalai, Ariankavu
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