Rotala dhaneshiana Sunil, Ratheesh & Sivad.

 
  • Family : LYTHRACEAE
  • Family (as per The Plant List) : Lythraceae
  • Species Name (as per The Plant List) : Not found in Plant list
  • Habit : Herb
  • Habitat : Moist deciduous forests
  • Comments / notes : Rotala dhaneshiana, a new species of Lythraceae collected from a semi-marshy area of Wayanad Wildlife Sanctuary in Kerala. It is closely allied to R. malampuzhensis usually in having trimerous flowers, but differs in having 4-angled, narrowly winged stems, long epicalyx lobes alternating with sepals, obovate-apiculate petals, and absence of nectar scales. It resembles R. juniperina, an African species in having trimerous flowers but differs in having sessile, decurrent-based leaves and sessile pistil
  • Key identification features : Erect marshy-terrestrial annuals, growing singly, not in tufts; stems are inconspicuously four-angled, narrowly winged on younger branches, internodes slightly swollen; Leaves are sessile, reddish when mature, linear-lanceolate to oblong, base slightly cordate to semi-amplexicaule, margins entire, apex acute, midrib is prominent below and it is canaliculate above; bracts show dimorphism; Bracteoles equals to the length of floral tube or exceeds the level; flowers are usually trimerous, occasionally tetramerous; petals are obovate, apiculate at apex, rose to white; stamens are inserted near the base of the floraltube; pistils are sessile and seeds bright red in colour.
  • Flower, Fruit : October-December
  • Distribution :
    • Kerala : Wayanad district
  • Native : India
  • Endemism : Southern Western Ghats
  • World Distribution : India
  • Conservation Status : Not Evaluated
  • Literature : Ratheesh Narayanan. M. K, C. N. Sunil, T. Shaju, M. K. Nandakumar, M. Sivadasn, & A. H. Alfarhan (2014). Rotala dhaneshiana, a new species of Lythraceae from India. Phytotaxa 188 (4): 227–232
  • Citation : Sankara Rao, K., Raja K Swamy, Deepak Kumar, Arun Singh R. and K. Gopalakrishna Bhat (2019). Flora of Peninsular India. http://peninsula.ces.iisc.ac.in/plants.php?name=Rotala dhaneshiana. Downloaded on 8 December 2019.

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