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  Lasianthus obovatus
 
  Family: RUBIACEAE
  Citation:  Lasianthus obovatus Bedd., Ic. t. 10. 1868-1874; Hook. f., Fl. Brit. India 3: 186. 1880; Gamble, Fl. Pres. Madras 647(456). 1921; Deb & Gangop., Journ. Econ. Tax. Bot. 15: 293. 1991; Pradeep, Fl. Vellarimala 78. 2000; Gopalan & Henry, Endemic Pl. Agasthiyamala 297. 2000; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 427. 2009.
  Malayalam Name(s):
  Tamil name(s):
  English name(s):
  Description: Shrubs dichotomously branching, branchlets quandrangular when young, terete in age, glabrous, internodes short. Leaves opposite, 2.5-5 x 1.5-2 cm, obovate mucronate, obtuse or retuse at apex, cuneate at base, incurved at margin, coriaceous, glabrous, greenish brown when dry; midrib channelled above, flattened beneath; lateral nerves 5-6 pairs, subparallel, arcuate, slender, reticulation inconspicuous; petioles 5-10 mm long, slender, glabrous; stipules 4-6 x 2-3 mm, ovate, acute, glabrous above. Cymes axillary, sessile. Flowers 7-8 mm long, sessile, 3-4 merous. Hypanthium 1 mm long, obovoid, puberulous; calyx tube 1-1.5 x 1.5-2 mm, puberulous or glabrous above; lobes 1.5-2 mm long, broad ovate-oblong, acute at apex, puberulous or glabrous beneath. Corolla tube 4-5 mm long, glabrous above, villous at throat within; tube 1.5-2 mm long, ovate, puberulous beneath. Stamens inserted; filament adnate below throat, 0.5 mm long; anthers 0.5-1 mm long, oblong. Ovary 0.5 mm long, obovoid, 3 or 4 loculed; style 4-5 mm long, slender, glabrous or finely puberulous above; stigma 3-4 lobed, 0.5 mm long, ovate, obtuse; glabrous; disk 1 mm across, subglobose, smooth. Fruit sessile, ± 5 x 4 mm, ovoid, crowned with persistent calyx lobes, 4 shallow channelled; pericarp thin, glabrous; mesocarp thick; pyrenes 4 or 3, planoconvex, wrinkled, thick walled; seeds 4 mm long, planoconvex.
  Habit: Shrub
  Flowering & Fruiting: January-May
  District(s): Kozhikkode, Thiruvananthapuram, Wayanad
  Medicinal:
  Habitat: Evergreen forests
  Distribution: Southern Western Ghats
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s):
  Weed: No
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: No
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to: Southern Western Ghats
  IUCN status: Endangered (EN)
  Altitude: 700-1200
  Localities: Vellarimala
   
 
   
 
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