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  Citrullus colocynthis
  Citation:  Citrullus colocynthis (L.) Schrad., Linnaea 12: 414. 1838; Hook. f., Fl. Brit. India 2: 620. 1879; Gamble, Fl. Pres. Madras 536(378). 1919; Chakrav., Fasc. Fl. Ind. 11: 20. 1982; Sasidh., Fl. Periyar Tiger Reserve 153. 1998. Cucumis colocynthis L., Sp. Pl. 1011. 1753.
  Malayalam Name(s): Pekumatti, Kattuvellari
  Tamil name(s):
  English name(s): Colocynth, Citron, Bitter apple, Vine of Sodom
  Description: Perennial trailing herbs with somewhat woody tuberous root; stems shortly hairy when young becoming scabrid. Tendrils simple, rarely bifid, slender, glabrous. Leas alternate, elongate-ovate in outline, 10-60 (-110) mm long, 8-55 (-66) mm broad, distinctly scabrid-hairy beneath, smooth except on the nerves above, palmately deeply 3-5-lobed, ultimate lobes pinnately lobulate with central lobe longest, long-ovate in outline; petiole rather densely rough-hairy; probracts lanceolate-elliptic, 4-5 mm long and c. l. 5 mm broad, caducous. Male flowers on long pedicels; calyx campanulate, c. 9 (4-8) mm long, lobes c. 5 mm broad; corolla pale yellow, ovate-acute, c. 8 mm long and c. 5 mm broad. Female flowers on longer pedicels than male, receptacle-tube short, lobes lanceolate, c. 5 mm long; ovary hairy, subglobose or obovate. Fruits c. 5 cm in diameter, globose, smooth, longitudinally green striped, 5-7 cm in diameter, eipcarp thin, filled with a dry spongy very bitter pulp; seeds numerous, ovate-oblong, yellowish brown, not margined, c. 6 mm long and c. 3 mm broad.
  Habit: Climber
  Flowering & Fruiting: May-October
  District(s): Idukki
  Medicinal: Yes
  Habitat: Dry deciduous forests
  Distribution: Tropical and Subtropical North Africa and Asia
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): Yellow
  Weed: No
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: No
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
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