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  Basilicum polystachyon
 
  Family: LAMIACEAE/LABIATAE
  Citation:  Basilicum polystachyon (L.) Moench, Suppl. Meth. 143. 1802; Vajr., Fl. Palghat Dist. 374. 1990. Ocimum polystachyon L., Mant. Pl. 2: 567. 1771. Moschosma polystachyum (L.) Benth. in Wall., Pl. Asiat. Rar. 2: 13. 1830; Hook. f., Fl. Brit. India 4: 612. 1885; Gamble, Fl. Pres. Madras 1117(781). 1921.
  Malayalam Name(s):
  Tamil name(s):
  English name(s):
  Description: Annual; stem to 1.22 m high, much branched, acutely 4-angular, shallowly furrowed, the angles pustular with tubercles tipped by caducous bristles, the nodes annulate with very small hairs, otherwise glabrous. Leaves broadly ovate to oval-rhomboid, 2.6-7.5 x 2-4.3 cm, truncate to cuneate at base, acuminate, irregularly crenate-serrate, thin, membranous, scaberulous above, glabrous beneath; petioles 1.7-5 cm. Racemes linear, 5-6 cm long; verticils often 6-flowered. Floral leaves obspathulate to oval-oblong, 1 mm long, aristate. Pedicels 1 mm long, hispidulous. Calyx 1.75-2 mm long, longer in fruit; tube subventricose, 1.25 mm long, hispidulous with gland tipped hairs at base without, somewhat inflated at base in front; upper lip broadly ovate, 0.75 x 1 mm, acuminate; lower lip as long as upper, 4-dentate, the lateral ones triangular-ovate, the anterior ones triangular-lanceolate, acuminate, aristate. Corolla 2.5-3 mm long, mauvish-pink; tube straight, campanulate, 1.75 mm long, glabrous without, thinly pubescent within; upper lip erect, 3-lobed, lobes rounded, central one 2-fid; lower lip slightly longer, oval-oblong, flat, hispidulous ventrally. Stamens didymous, included; anterior filaments longer than posterior all glabrous; anthers 2-celled, the cells continuous. Style glabrous, shortly 2-fid at apex; branches oblong-oval. Nutlets broadly ellipsoid, 0.8 mm long, compressed, dark brown.
  Habit: Herb
  Flowering & Fruiting: October
  District(s): Palakkad, Thrissur
  Medicinal: Yes
  Habitat: Moist localities in scrub jungles in plains
  Distribution: Tropical Africa and Indo-Malesia
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): Pink, White
  Weed: No
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: No
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Altitude:
  Localities: Thenkara
   
 
   
 
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