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  Sida unicornis
 
  Family: MALVACEAE
  Citation:  Sida unicornis Marais, Kew Bull. 38: 42. 1983; Santhosh et al., Rheedea 11: 55. 2001.
  Malayalam Name(s):
  Tamil name(s):
  English name(s):
  Description: Erect branched under shrubs to 1.5 m tall; stem terete, green and purplish, minutely pubescent with short stellate hairs. Leaves alternate, 2-7 x 0.5-2 cm, elliptic-rhomboid or narrowly obovate, rounded to truncate at base, acute at apex, crenate-serrate and entire towards the base, lateral nerves 3-5 pairs, shortly 3-nerved at base, green and glabrous above, pale beneath, cinereous with short stellate hairs; petiole to 0.6 cm long, minutely pubescent, shortly pulvinate at both ends; stipules up to 7 mm long, linear, 1-nerved. Flowers axillary, solitary; pedicels to 1.5 cm long in flower, to 3 cm in fruit, sparsely stellately hairy, articulate above the middle. Calyx 5-7 mm diameter campanulate, 10-ribbed at base, stellately pubescent, 5-lobed, lobes 3-mm long, triangular, apex acute-acuminate, glabrous within. Petals pale yellow, 8-10 x 6-7 mm, obliquely obovate, truncate or cuneate at base, shortly hairy without and glabrous within, stellate-hairy at base. Staminal column to 3.5 mm long, stellate -pubescent, antheriferous at apex. Ovary 2 mm in diameter conical, glabrous; style 8-10; stigma capitate. Mericarp 8-10 (-11), 5 x 3 mm, enclosed in calyx, trigonous with acute angles, pale, distinctly and transversely rugose on sides and back, apex beaked with a single awn, stellately hairy; seeds to 2 mm long, black, smooth, minutely hairy at hilum.
  Habit: Shrub
  Flowering & Fruiting: Throughout the year
  District(s): Thiruvananthapuram
  Medicinal:
  Habitat: Growing along roadsides and open places of deciduous forests
  Distribution: Native of Mauritius, naturalised in India
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s):
  Weed: No
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: Yes
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Altitude:
  Localities:
   
 
   
 
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