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  Lasianthus verticillatus
 
  Family: RUBIACEAE
  Citation:  Lasianthus verticillatus (Lour.) Merr., Trans. Amer. Philos. Soc. n.s. 24: 372. 1935. Dasus verticillatus Lour., Fl. Cochinch. 141. 1790. Lasianthus truncatus Bedd., Ic. t. 9. 1868-1874; Hook. f., Fl. Brit. India 3: 189. 1880; Gamble, Fl. Pres. Madras 647(456). 1921; Deb & Gangop., Journ. Econ. Tax. Bot. 15: 302. 1991.
  Malayalam Name(s):
  Tamil name(s):
  English name(s):
  Description: Shrubs about 2 m high; branchlets slender, pubescent. Leaves opposite, 7-21 x 1.5-3.5 cm, narrowly elliptic or lanceolate, acuminate at apex, cuneate at base, thinly coriaceous, glabrous above, pubescent on midrib, nerves and nervules beneath, blackish green or chocolate when dry; midrib channelled above; lateral nerves 7-9 pairs, sub-opposite, subparallel, arcuate, slender, slightly raised above; nervules parallel; petioles 4-10 mm long, slender, pubescent; stipules 1-2 x 2-3 mm, triangular or ovate-acuminate at apex, pubescent above. Inflorescence sessile, 1-6 flowered; bracteoles absent. Flowers sessile, 6-7 mm long. Hypanthium ± 1 mm long, obovoid, glabrous or puberulous; calyx tube 1 x 1.5-2 mm, cupular, glabrous above; lobes 4, persistent, ovate, acute, puberulous at margin. Corolla tube 4-4.5 mm long, pubescent at upper part on both sides; lobes 4, ± 1.5 mm long, elliptic-lanceolate, pubescent. Stamens 4, included; filaments ± 0.5 mm long, adnate below throat; anthers ± 0.5 mm long, narrow-oblong. Ovary ± 0.5 mm, obovoid, 4-loculed; style ± 2.5 mm long, thin, wider, pubescent above; lobes 4, less than 0.5 mm long, narrow-oblong; disk ± 1 mm across, flat, smooth. Fruit sessile, ± 5 x 4 mm, crowned with calyx lobes; pericarp thin, glabrous; mesocarp thin; pyrenes 4, dorsally convex, 1-striped, wrinkled, ventrally angled, acute at apex, acuminate at base, wall thick, with raphides; seeds 3-4 mm long, flat or semiterete, short stalked at base.
  Habit: Shrub
  Flowering & Fruiting:
  District(s): Thiruvananthapuram
  Medicinal:
  Habitat: Evergreen forests
  Distribution: Peninsular India
  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: Western Ghats
  IUCN status: Vulnerable (VU)
  Altitude: -1350
  Localities:
   
 
   
 
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