Sesamum laciniatum in FOI

[J.M. Garg]

Hi, Tabish ji,

Images of Sesamum laciniatum in FOI by Rajaram ji should be of Sesamum prostratum as per  GBIF  The Linnean Collections  FRLHT  POWO  
Pl. correct.
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With regards,
J.M.Garg

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[Tabish]

Thank you Garg ji,

   Sesamum laciniatum is a synonym of Sesamum prostratum. Corrected now.

  Best wishes

   Tabish

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[J.M. Garg]

No. It is not a syn. Both are separate taxas.

Pl. see details at Sesamum prostratum and Sesamum prostratum var. laciniatum (syn. Sesamum laciniatum)

[Tabish]

Plants of the World Online treats it as a synonym. They use a 2015 paper as reference:

 Bedigian, D. (2015). Systematics and evolution in Sesamum (Pedaliaceae), part 1: evidence regarding the origin of sesame and its closest relatives Webbia; Raccolta de Scritti Botanici 70: 1-42.

I hope there are later publications treating Sesamum laciniatum and Sesamum prostratum as separate.

   Tabish

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The waterhole of flower lovers

[J.M. Garg]

Thanks, Tabish ji.

Yes, very important paper.

Morphologically leaves of both look quite different. But in view of the paper you stated I have to merge both as per abstract:

Recent molecular studies demonstrate that Sesamum sect. Sesamum, defining the largest genus of Pedaliaceae, holds two subspecies: the oilseed crop Sesamum indicum, and the crop’s progenitor Sesamum indicum subsp. malabaricum, and fail to support the idea that cultivated sesame originated from the African Sesamum latifolium. Therefore, in this updated classification, Sesamum sect. Sesamum is re-circumscribed to contain the Asian progenitor species of sesame. As a result, these data do not support the current infrageneric classification system; instead, these molecular results offer alternative implications with regard to the evolution of the genus and provide a basis for developing an updated taxonomy that is consistent with underlying phylogenetic relationships. Each clade is recognized as a section, thereby retaining valuable information on evolutionary relationships while minimizing nomenclatural changes. These analyses also reveal that section Sesamum is sister to Sesamum sect. Chamaesesamum. That section holds two species, Sesamum laciniatum and Sesamum prostratum, that have frequently been treated as distinct, but are combined here.