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  Pajanelia longifolia
  Citation:  Pajanelia longifolia (Willd.) K. Schum. in Engl. & Prantl, Naturl. Pflanzenfam. 4(3b): 244. 1895; Manilal & Sivar., Fl. Calicut 210. 1982; Mohanan, Fl. Quilon Dist. 294. 1984; Ansari, Fl. Kasaragod Div. 270. 1985; Ramach. & V.J. Nair, Fl. Cannanore Dist. 327. 1988; Antony, Syst. Stud. Fl. Kottayam Dist. 293. 1989; Babu, Fl. Malappuram Dist. 557. 1990; Vajr., Fl. Palghat Dist. 335. 1990; M. Mohanan & Henry, Fl. Thiruvanthapuram 339. 1994; Sasidh. & Sivar., Fl. Pl. Thrissur For. 332. 1996; Sasidh., Fl. Shenduruny WLS 229. 1997; Sivar. & Mathew, Fl. Nilambur 484. 1997; Sasidh., Fl. Periyar Tiger Reserve 289. 1998; Sasidh., Fl. Parambikulam WLS 223. 2002; Mohanan & Sivad., Fl. Agasthyamala 498. 2002; Anil Kumar et al., Fl. Pathanamthitta 372. 2005; Sunil & Sivadasan, Fl. Alappuzha Dist. 525. 2009; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 600. 2009. Bignonia longifolia Willd., Sp. Pl. 3: 306. 1800. Pajanelia rheedei Wight, Ic. tt. 1343,1344. 1848; Hook. f., Fl. Brit. India 4: 384. 1884; Gamble, Fl. Pres. Madras 1000(702). 1924.
  Malayalam Name(s): Aralantha, Azhantha, Pajaneli, Palakapayyani, Payani, Payyazhantha
  Tamil name(s):
  English name(s):
  Description: Deciduous trees, to 20 m high, bole unbranched to a considerable height; bark 2-3 cm thick, pale grey, shining, pustular lenticels in vertical rows. Leaves compound, imparipinnate, leaflets 7-17, opposite, 17-25 x 7-12 cm, ovate, apex acuminate, base oblique, margin entire, glabrous, chartaceous; rachis to 100 cm, glabrous, stout; petiolule 3-7 mm, channelled above, glabrous; lateral nerves 6-10 pairs, pinnate, prominent; intercostae reticulate. Flowers bisexual, crimson-purple, white within, in large terminal recemose panicles. Calyx 4.5 cm long, campanulate, lobes 5, rusty tomentose. Corolla 9 x 8 cm, tube 6-8 cm long, base narrow, broadly ventricose, lobes 5, subequal, crisped. Stamens 4, free, didydynamous with a rudimentary fifth, filaments arching, slender; anthers equal, oblong. Ovary 0.5-1 cm long, 2-celled, oblong; ovules many; placenta thin at centre; style 6 cm long; stigma 2 lobed. Fruit a capsule, 2 valved, 30-45 x 5-7.5 cm, brown, winged on both margins, compressed, smooth; seeds 2.5 x 1.5 cm, flat, papery, winged on both sides.
  Habit: Tree
  Flowering & Fruiting: January-June
  District(s): All Districts
  Habitat: Moist deciduous and semi-evergreen forests, also in the plains
  Distribution: India and Myanmar
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): Creamy, Yellow
  Weed: No
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: No
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Altitude: 400-700
  Localities: Vellanimala, Rosemala, Thekkady, Thunakkadavu, Kannoth, Taliparamba, Mandhampatti-Mukkali, Thalichola, Pandanad, Attayar
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