Ocimum americanum L.

  • Family : LAMIACEAE
  • Family (as per The Plant List) : Lamiaceae
  • Species : Ocimum americanum
  • Synonym : Ocimum canum Sims
  • Species Name (as per The Plant List) : Ocimum americanum L.
  • Common name : Lemon Basil, Hoary Basil
  • Vernacular name : Kala tulsi, Vantulsi (Hin.); NaayiTulasi (Kan.); Naithulasi (Tam.); Kukkathulasi, Bhutulasi (Tel.); Gonga Tulsi, Goda Tulsi, Ban Tulsi, Kanak Tulsi (Ori.); Vanabarbrika (San.)
  • Collection Nos : HJCB-E-306
  • Collector(s) Name : K.R.K.Swamy
  • Collection Date : 02/01/16
  • Collection Locality : Batrepalli, Anantapur district, Andhra Pradesh State
  • Habitat : Open deciduous forest
  • Key identification features : An erect, much branched strongly aromatic undershrub. Leaves are elliptic-oblong, ovate-lanceolate, glabrous or nearly so, margin entire or shallowly serrate, lateral nerves of 4-5 pairs, impressed beneath. Thyrsus of about 15-20 cm long. Thyrses to about 15 cm long and branched. Flowers white with pedicels. Calyx is pubescent 1 4 arrangement. Upper lip is suborbicular, reticulately veined, ciliate. Central tooth of the lower lip longer than the lateral. Corolla is white and hairy without. Fruit is a nutlet, ellipsoid, balck. Calyx not enlarged in fruit.
  • Habit : Herb
  • Flower, Fruit : September-February
  • Comments : Often in plains to 1200 m. Gregarious in wastelands, arable fields etc.
  • Conservation Status : Not Evaluated (NE)
  • Distribution Locality : Throughout Eastern Ghats
  • World Distribution : Paleotropics
  • Literature : Pullaiah et al., 2011 - Flora of Eastern Ghats Vol. 4 ; H.O. Saxena & M. Brahmam, 1995- Flora of Orissa Vol. 3; R. S. Rao and S. H. Sreeramulu, 1986 - Flora of Srikakulam District ; H. O. Saxena and M. Brahmam, 1989 - The Flora of Similipal, Orissa; IUCN Red List of Threatened Species. Version 2014.1. ; N.P.Singh, 1988. Flora of Eastern Karnataka; Matthew, K.M., The Flora of Tamil Nadu Carnatic, Vol.3 (1). Diocesan Press, Madras. 1983.
  • Citation : Sankara Rao, K., Arun Singh R., Deepak Kumar, Raja K Swamy and Navendu Page (2016). Digital Flora of Eastern Ghats. http://easternghats.ces.iisc.ernet.in/plants.php?name=Ocimum americanum. Downloaded on 9 August 2020.


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Digital Flora of Eastern Ghats by Herbarium JCB is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Based on a work at http://easternghats.ces.iisc.ernet.in.