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GARDEN PLANTS
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  Ageratum houstonianum
 
  Family: ASTERACEAE/COMPOSITAE
  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.
  Malayalam Name(s): Kaliyamman-pathiri, Michangala, Neela appa, Floss Flower
  Tamil name(s):
  English name(s): Flossflower
  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.
  Habit: Herb
  Flowering & Fruiting: February-May
  District(s): Idukki, Kollam, Pathanamthitta, Thrissur, Palakkad
  Medicinal:
  Habitat: Degraded forest areas and roadsides
  Distribution: Native of Tropical America,; now naturalised in Tropical Asia
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): White, Blue
  Weed: Yes
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: Yes
  Garden: Yes
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Altitude:
  Localities: Vazhachal, Churullipetty, Konakaimoola, Kakki hills, Lock-hert gap
   
 
   
 
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