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  Premna herbacea
 
  Family: VERBENACEAE
  Citation:  Premna herbacea Roxb., Hort. Bengal. 46. 1814; Hook. f., Fl. Brit. India 4: 581. 1885; Gamble, Fl. Pres. Madras 1097(767). 1923; Sasidh., Fl. Periyar Tiger Reserve 311. 1998; Rajendran & Daniel, Indian Verbenaceae 245. 2002.
  Malayalam Name(s):
  Tamil name(s):
  English name(s):
  Description: Herbs, stoloniferous, to 30 cm high; rootstock woody with a long nodose taproot; nodes subglobose; internodes not well developed; branches slender, terete, ashy or dark brown, minutely pubescent or glabrous. Leaves 2.5-15.5 x 1.5-10.5 cm, obovate or subrotund, cuneate at base, serrate-dentate ciliate along margins, acute or obtuse at apex, dark green glabrous above, paler subglabrous with minute glands beneath; lateral nerves 4-6 pairs; sessile or subsesslie. Corymbs terminal and axillary in upper leaf axils, 2-5 x 1-2 cm, few-flowered, glandular-pubescent throughout; peduncles 0.5-2 cm long, pubescent; bracts linear-subulate, ca 1 mm long; pedicels 1-2 mm long. Calyx copular, 2-lipped, 5-toothed, ca 3 x 4 mm; teeth acute, subequal. Corolla infundibular, 2-lipped, 4-lobed, greenish white or cream-coloured; upper lip subrotund, entire, obtuse, ca 2 mm across; lower lip 3-lobed; midlobe ovate, reflexed, ca 2.5 mm long; lateral lobes oblong, ca 1 mm long; tube narrow, ca 2 x 2 mm, densely villous at throat, sparsely pubescent outside. Stamens 4, didynamous; filaments slender, filiform, ca 1 mm long. Ovary subglobose, ca 1 mm long, glandular; style slender, ca 2 mm long; stigma obscurely 2-lobed; lobes subequal, subulate. Drupes subglobose, ca 8 mm long, succulent, glossy, black when mature.
  Habit: Herb
  Flowering & Fruiting: August-December
  District(s): Idukki, Alappuzha, Malappuram, Kozhikkode
  Medicinal:
  Habitat: Along sides of watercourses
  Distribution: China to tropical Asia
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): White, Creamy, Green
  Weed: No
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: No
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Altitude:
  Localities:
   
 
   
 
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