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  Clerodendrum calamitosum
  Citation:  Clerodendrum calamitosum L., Mant. Pl. 1: 90. 1767; Hook. f., Fl. Brit. India 4: 591. 1885; V.J. Nair & R. Ansari, Journ. Econ. Tax. Bot. 3: 605. 1982; Manilal & Sivar., Fl. Calicut 233. 1982; Sivar. & Manilal, Journ. Econ. Tax. Bot. 3: 814. 1982; Ansari, Fl. Kasaragod Div. 292. 1985; Rajendran & Daniel, Indian Verbenaceae 89. 2002.
  Malayalam Name(s):
  Tamil name(s):
  English name(s): White Butterfly
  Description: Undershrub, to 0.75 m high, rhizomatous; stem terete, subglabrous; branchlets slender, obtusely 4-angular, grey or brownish, sparsely pubescent, medullose; internodes 1.5-4.5 cm long. Leaves decussate-opposite, the upper most sometimes alternate, oblong, or elliptic-ovate, acute or cuneate or slightly decurrent at base, dentate-serrate along margins, acute or obtuse at apex, 2.5-15 x 1.5-8.5 cm, membranous, bluish green or bright green glabrous except on nerves above, paler pubescent especially on nerves beneath; lateral nerves 4-6 pairs, distinct beneath; petioles canaliculate, slender, 2-4 cm long, densely pubescent. Cymes solitary, terminal and axillary, 3-10-flowered, 1-3 times dichotomous, 6-10 x ca 3.5 cm, pubescent throughout; peduncles terete, slender, 1.5-6 cm long, one per axil; pedicels slender, 0.5-1 cm long. Calyx deeply 5-lobed, almost divided to base, green or red-tinged; lobes linear-lanceolate, acuminate, 0.6-0.3 cm long; pubescent outside. Corolla hypocrateriform, 5-lobed, white or cream-coloured; lobes obovoid, obtuse, ca 0.8 x 0.5 cm; tube narrow, cylindric, ca 2.5 x 0.12 cm, pubescent outside. Stamens 4, didynamous; filaments filiform, curvate, exserted, 2-2.5 cm long, cream-coloured; anthers oblong, brown. Ovary ovoid, ca 0.2 cm across; style slender, 2.5-3 cm long, slightly surpassing filaments; stigma 2-lobed; lobes divaricate, unequal. Drupes globose, 6-10 mm, violet to black; fruiting-calyx leathery.
  Habit: Shrub
  Flowering & Fruiting: Throughout the year
  District(s): Kasaragode, Kannur, Kozhikkode
  Habitat: Introduced as ornamental plant; now naturalised.
  Distribution: Native of Malesia
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): White, Creamy
  Weed: No
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: Yes
  Garden: Yes
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Localities: Pappinisseri, Kasaragod
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