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  Vigna grahamiana
 
  Family: FABACEAE/LEGUMINOSAE (Subfam.: Papilionoideae)
  Citation:  Vigna grahamiana (Wight & Arn.) Verdc., Kew Bull. 24: 562. 1970; Ramach. & V.J. Nair, Fl. Cannanore Dist. 158. 1988; Antony, Syst. Stud. Fl. Kottayam Dist. 140. 1989; Vajr., Fl. Palghat Dist. 176. 1990; Sanjappa, Legumes Ind. 273. 1992; Sasidh., Fl. Chinnar WLS 107. 1999; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 314. 2009. Phaseolus grahamianus Wight & Arn., Prodr. 244. 1834; Hook. f., Fl. Brit. India 2: 201. 1876; Gamble, Fl. Pres. Madras 362(256). 1918.
  Malayalam Name(s):
  Tamil name(s):
  English name(s):
  Description: Twiners. Leaflets 2.5-5 x 1.5-4 cm, deltoid, apex acuminate, mucronate, base broadly ovate, appressed, pubescent; stipules 5 mm, ovate, stipels 2 mm, lanceolate. Racemes axillary; flowers blue; bracts 3 mm, ovate; calyx 2-labiate, tube 4 mm, upper lip emarginate, lower 3-lobed, lobes 2 mm; standard petal 1.2 x 1.5 cm, orbicular; wings 1.5 x 0.7 cm, obovate; keel 2.5 cm, connate, spirally coiled; staminal tube 1 cm, filaments 15 mm long; ovary 1 cm, linear, style 1.5 cm, coiled, bearded, stigma oblique. Pod 12 x 0.3 cm, linear, thickened at the margins; many seeded.
  Habit: Climber
  Flowering & Fruiting: November-December
  District(s): Kottayam, Idukki, Palakkad, Kannur, Wayanad
  Medicinal:
  Habitat: Evergreen forests
  Distribution: India and Sri Lanka
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): Pink, Violet
  Weed: No
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: No
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Altitude:
  Localities: Churullipetty, on way to Panoth, Mukkali forests, Attapady block-Mukkali
   
 
   
 
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