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  Lagenandra ovata
 
  Family: ARACEAE
  Citation:  Lagenandra ovata (L.) Thw., Enum. Pl. Zeyl. 334. 1864; Gamble, Fl. Pres. Madras 1576(1099). 1931; Mohanan, Fl. Quilon Dist. 432. 1984; Ansari, Fl. Kasaragod Div. 403. 1985; Antony, Syst. Stud. Fl. Kottayam Dist. 417. 1989; Vajr., Fl. Palghat Dist. 534. 1990; Joseph, Aquatic Angiosp. Malabar 291. 1991; M. Mohanan & Henry, Fl. Thiruvanthapuram 497. 1994; Subram., Fl. Thenmala Div. 409. 1995; Sasidh., Fl. Shenduruny WLS 358. 1997; Sasidh., Fl. Periyar Tiger Reserve 475. 1998; Mohanan & Sivad., Fl. Agasthyamala 757. 2002; Anil Kumar et al., Fl. Pathanamthitta 526. 2005. Arum ovatum L., Sp. Pl. 967. 1753. Lagenandra insignis Trimen, J. Bot. 23: 269. 1885; Hook. f., Fl. Brit. India 6: 496. 1893.
  Malayalam Name(s): Aandavazha, Karin-pola
  Tamil name(s):
  English name(s):
  Description: Perennial herbs; rhizome creeping, 4 cm thick, usually in mud, cylindrical. Leaves entire, to 40 x 13 cm, ovate-oblong, acute, at both ends; nerves many, erose; petiole 30-70 cm long. Peduncle axillary, erect, 15-20 cm long; spathe 15-20 x 5-10 cm, broadly ellipsoid, closed, coarsely warted on both surface, deep brown, twisted and acuminate at apex; spadix 3-5 cm long, included in the chamber. Male flowers many, in terminal globose head; stamens 1 or 2; female flowers many, basal, subglobose; ovary obovoid; ovule 1. Fruitlets obovoid, ridged; seed 1, brown.
  Habit: Herb
  Flowering & Fruiting: August-February
  District(s): Kottayam, Idukki, Kasaragode, Kollam, Pathanamthitta, Palakkad, Thiruvananthapuram, Kannur
  Medicinal: Yes
  Habitat: Marshy areas and stream sides
  Distribution: India and Sri Lanka
  Aquatic: Yes
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): Brown, Red, Violet
  Weed: No
  Monocot/Dicot: Monocotyledonous Plants
  Exotic: No
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Altitude: 300-1000
  Localities: Kattalappara, Mullakkudy, Uppupara, Manniera, Karimbam, Panathur, Payyavur, Mukkali forests, Peradala, Pooyamkutty, Kulathupuzha, Choodal forests, Ottakkal, Bonaccord, Meenmutty, Peppara, Athirumala
   
 
   
 
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