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  Holigarna nigra
  Citation:  Holigarna nigra Bourd., Indian J. For. 30: 95. 1904; Gamble, Fl. Pres. Madras 268(191). 1918; Manilal, Fl. Silent Valley 66. 1988; Vajr., Fl. Palghat Dist. 137. 1990; Sasidh., Fl. Periyar Tiger Reserve 82. 1998; D. Chandra & S.K. Mukh. in N.P. Singh et al., Fl. India 5: 462. 2000; Sasidh., Fl. Parambikulam WLS 79. 2002; Anil Kumar et al., Fl. Pathanamthitta 146. 2005; V. Chandra. in P. Daniel, Fl. Kerala 1: 805. 2005; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 252. 2009.
  Malayalam Name(s): Chiri, Cherei
  Tamil name(s):
  English name(s):
  Description: Trees, to 30 m high, bark 5-6 mm thick, grey, smooth; exudation black. Leaves simple, alternate, estipulate; petiole 20-25 mm long, stout, glabrous; spur 2 or 4, cauducous; lamina 7.5-15 x 3.7-5 cm, spathulate, not suddenly broadened above the base, base cuneate, apex obtuse or emarginate, margin entire, dark green, glabrous, coriaceous; lateral nerves 6-9 pairs, parallel, prominent; intercostae reticulate, prominent. Flowers polygamous, purple-white, in terminal and axillary dark purple brown tomentose racemes and panicle of 30.5 cm long in males and 7.5 cm long in female flowers; pedicels stout; calyx villous, cupular, lobes 5; petals 5, white within, clothed with white hairs; stamens 5, filaments white, anthers black; disc 5 lobed; ovary inferior, obconic, tomentose, 1-celled; styles 3, recurved; stigma capitate. Fruit a drupe, 4 x 1.5 cm, obovoid, glabrous.
  Habit: Tree
  Flowering & Fruiting: March-May
  District(s): Palakkad, Idukki, Pathanamthitta, Wayanad, Kozhikkode
  Habitat: Evergreen forests
  Distribution: Southern Western Ghats
  Aquatic: No
  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: Southern Western Ghats
  IUCN status:
  Altitude: 650-1300
  Localities: Kathiramudi, Karimala, Aruvanpara, Kakki dam area, Singampara-Siruvani forests
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