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  Hedyotis hirsutissima
  Citation:  Hedyotis hirsutissima Bedd., Madras J. Lit., Sci. ser. 3, 1: 49. 1864 & Ic. t.2. 1868-1874; Hook. f., Fl. Brit. India 3: 55. 1880; Sasidh. & Anto in Manoharan et al., Silent Valley-Whispers Reason 142. 1999; Pradeep, Fl. Vellarimala 73. 2000; Dutta & Deb, Taxonomic Revision Hedyotis 63. 2004. Oldenlandia hirsutissima (Bedd.) O.Ktze., Rev. Gen. Pl. 1: 292. 1891; Gamble, Fl. Pres. Madras 599(422). 1921.
  Malayalam Name(s):
  Tamil name(s):
  English name(s):
  Description: Shrubs or undershrubs, 50-150 cm long; branches leafy above and with scars of stipules and fallen leaves below; stem obtusely angular or terete, glabrous. Leaves opposite, sessile or shortly petioled, 1-5 x 0.8-2.5 cm, ovate or elliptic-lanceolate, mucronate at apex, attenuate at base, coriaceous, densely yellowish hirsute on both surfaces; nerves 3-4 pairs, strong, raised below, hirsute; petiole stout, 1-2 mm long, hirsute; stipules sheathing at base, 1-2 x 2-4, deeply pectinate, hirsute. Inflorescence axillary, peduncled, panicle of few flowered corymbose cymes; branches slender, shorter than leaves, dense hirsute. Flowers 18-20 mm long, hirsute outside, bracteate; pedicel 1-2 mm long; bracts foliaceous, 1-4 x 0.8-2 mm, linear-lanceolate. Hypanthium 1.5-3 mm long; calyx limb 1-2 mm long; lobes 4, 2.5-3.5 mm long, lanceolate, acuminate; midnerve prominent. Corolla campanulate; tube 12-13 mm long, dense pubescent inside, lobes 4, ovate, acute, 5.5-6.5 mm, minute pubescent inside. Stamens 4, exserted; filaments 2-3.5 mm long, adnate at the throat; anthers 1-2 mm long, oblong-linear. Ovary 1-1.5 mm long; ovules many; style 8-9 mm long, slender; stigma bilobed, 0.5-1 mm long, fleshy, pilose. Capsule 2-3 x 2-2.5 mm, globose, top enclosed within calyx lobes, hirsute; seeds 0.7-1 x 0.5-0.7 mm, angular, narrowly winged; exotesta reticulate, brownish.
  Habit: Shrub
  Flowering & Fruiting: November-March
  District(s): Kozhikkode, Palakkad
  Habitat: Ecotones of shola and grasslands
  Distribution: Southern Western Ghats
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): Violet
  Weed: No
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: No
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to: Southern Western Ghats
  IUCN status: Endangered (EN)
  Localities: Sispara, Vellarimala
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