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  Oroxylum indicum
  Citation:  Oroxylum indicum (L.) Benth. ex Kurz, For. Fl. Burma 2: 238. 1877; Hook. f., Fl. Brit. India 4: 378. 1884; Gamble, Fl. Pres. Madras 994(698). 1924; Manilal & Sivar., Fl. Calicut 210. 1982; Mohanan, Fl. Quilon Dist. 294. 1984; Ansari, Fl. Kasaragod Div. 269. 1985; Antony, Syst. Stud. Fl. Kottayam Dist. 292. 1989; Ramach. & V.J. Nair, Fl. Cannanore Dist. 327. 1988; Babu, Fl. Malappuram Dist. 556. 1990; Vajr., Fl. Palghat Dist. 335. 1990; Subram., Fl. Thenmala Div. 259. 1995; Sasidh. & Sivar., Fl. Pl. Thrissur For. 331. 1996; Sivar. & Mathew, Fl. Nilambur 483. 1997; Ravikumar & Ved, Illustr. Field Guide 100 Red Listed Med. Pl. 271. 2000; Sasidh., Fl. Parambikulam WLS 223. 2002; Anil Kumar et al., Fl. Pathanamthitta 372. 2005; Sunil & Sivadasan, Fl. Alappuzha Dist. 524. 2009; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 600. 2009. Bignonia indica L., Sp. Pl. 625. 1753.
  Malayalam Name(s): Aralu, Palakapayyani, Payyazhantha, Valpathiri, Vellapathiri, Veluthapathiri
  Tamil name(s):
  English name(s): Indian trumpet flower, Broken Bones Plant, Tree of Damocles
  Description: Medium sized trees, to 12 m high; bark 5-6 mm thick, surface brownish-grey; bole smooth. Leaves compound, 2-3 pinnate, pinnae 5-9; imparipinnate, opposite; leaflets 3-5 in each pinnae, opposite, 7.5-15 x 4-9 cm, ovate, apex acuminate, base cordate, oblique or truncate, margin entire, glabrous, chartaceous; rachis 60-100 cm, stout, glabrous; lateral nerves, 4-6 pairs, pinnate, prominent, puberulent beneath; intercostae reticulate. Flowers bisexual, in lax terminal racemes, reddish-purple outside, pinkish-yellow within, racemes to 30-50 cm long; pedicels 1-2 cm long. Calyx 2.5 cm long, campanulate, coriaceous, glabrous, limb truncate or obscurely toothed. Corolla ca10 cm long, fleshy, campanulate, 5-lobed, lobes 3 cm long. Stamens 5, perfect, the posterior one shortest, filaments inserted below the base of the tube, filaments hairy at base; connective with a short mucrone. Ovary subsessile, contracted at the base; ovule many; style slender; stigma 2-lobed. Fruit a capsule, 40-75 x 5-8 cm, 2 valved, compressed, tapering at both end; seeds thin, papery, 5-6 cm long, winged all around except at base.
  Habit: Tree
  Flowering & Fruiting: July-December
  District(s): All Districts
  Medicinal: Yes
  Habitat: Moist deciduous forests, also in the plains
  Distribution: South India and Sri Lanka
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): Pink, Creamy, Yellow
  Weed: No
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: No
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Altitude: 50-1000
  Localities: Peechi, Karimala, Dhoni R. F., Kannoth, Alakode, Mukkali forests, Nagamkulangara, Vadapuram, Thenmalai
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