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  Nymphoides indica
  Citation:  Nymphoides indica (L.) O.Ktze., Rev. Gen. Pl. 2: 429. 1891; Manilal & Sivar., Fl. Calicut 175. 1982; Mohanan, Fl. Quilon Dist. 265. 1984; Ansari, Fl. Kasaragod Div. 237. 1985; Antony, Syst. Stud. Fl. Kottayam Dist. 254. 1989; Babu, Fl. Malappuram Dist. 453. 1990; Vajr., Fl. Palghat Dist. 297. 1990; Joseph, Aquatic Angiosp. Malabar 136. 1991; M. Mohanan & Henry, Fl. Thiruvanthapuram 308. 1994; Sivar. & Mathew, Fl. Nilambur 436. 1997; Anil Kumar et al., Fl. Pathanamthitta 329. 2005; Sunil & Sivadasan, Fl. Alappuzha Dist. 451. 2009. Menyanthes indica L., Sp. Pl. 145. 1753. Limnanthemum indicum (L.) Griseb., emend Thw., Enum. Pl. Zeyl. 205. 1860; Hook. f., Fl. Brit. India 4: 131. 1883; Gamble, Fl. Pres. Madras 883(621). 1923.
  Malayalam Name(s): Chinnambal, Panchi, Thakaram
  Tamil name(s):
  English name(s): Floating hearts
  Description: Rhizomatous herbs; rhizome 2-3 cm thick with prominent branch scars. Primary fertile branches many, petiole-like and uniphyllous, highly variable in length depending on the depth of water; secondary branches sympodial, zig-zag, many-jointed, trailing on water surface; each joint uniphyllous; nodes often rooting. Leaves all cauline, fertile and floating, to about 25 cm across, ovate-orbicular, base deeply cordate with narrow sinuses, entire or subentire, fleshy, glossy green above, pale and gland-dotted beneath ; petiole to 3 cm long. Flowers bisexual, distylous in umbellate clusters from the junction of the petiole and the branch; bract to 7 x 4 mm, ovate or oblong; pedicel 5-10 cm long. Calyx deeply 5-partite; lobes to 6 x 2 mm, oblong-acute, green with hyaline margins. Corolla white with yellow throat; tube c. 2 mm long; lobes 5, to 13x4 mm, elliptic or oblong, acute, densely covered with long, white hairs within. Stamens as many as corolla lobes, dimorphic; filaments yellow. Ovary bottle- shaped; stigma sinuately 4-8 lobed; disc glands as many as stamens, orbicular. Capsules ellipsoid. Seeds c. 1.5 mm across, discoid, brownish, tubercled.
  Habit: Herb
  Flowering & Fruiting: Throughout the year
  District(s): All Districts
  Medicinal: Yes
  Habitat: Ponds and ditches
  Distribution: Paleotropic
  Aquatic: Yes
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): White
  Weed: No
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: No
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Localities: Tiruvalla, Nileswar, Nemmara, Kanichukulangara, Angadikkal, Nellikuth, Arikode
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