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Ageratum houstonianum
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Family:
ASTERACEAE/COMPOSITAE
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Citation: Ageratum houstonianum Mill., Gard. Dict. (ed. 8) n. 2. 1768; Koster, Blumea 1: 490. 1935; Gamble, Fl. Pres. Madras 1881(1302). 1936; Giri & Majumdar, Journ. Bombay Nat. Hist. Soc. 80: 453. 1983(1984); Mohanan, Fl. Quilon Dist. 224. 1984; Uniyal in Hajra et al., Fl. India 12: 349. 1995; Sasidh. & Sivar., Fl. Pl. Thrissur For. 245. 1996; Sasidh., Fl. Chinnar WLS 161. 1999; Anil Kumar et al., Fl. Pathanamthitta 275. 2005.
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Malayalam Name(s):
Kaliyamman-pathiri, Michangala, Neela appa, Floss Flower
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Tamil name(s):
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English name(s):
Flossflower
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Description:
Herbs, viscid hairy. Leaves to 7 x 5 cm, ovate, base rounded, apex acute, margins crenate. Heads bluish-white, to 7 mm across, in terminal corymbose panicle. Flowers all bisexual; corolla 2.5 mm long, tubular, white, glabrous, 5-lobed at apex. Achenes 2 mm long, linear, 5-angled, hirsute; pappus 3-4 mm long, setaceous.
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Habit:
Herb
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Flowering & Fruiting:
February-May
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District(s):
Idukki, Kollam, Pathanamthitta, Thrissur, Palakkad
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Medicinal:
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Habitat:
Degraded forest areas and roadsides
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Distribution:
Native of Tropical America,; now naturalised in Tropical Asia
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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:
Yes
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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:
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Localities:
Vazhachal, Churullipetty, Konakaimoola, Kakki hills, Lock-hert gap
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