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The systematic relationships of Krameriaceae have changed considerably. The phylotranscriptomic data sets provide highly informative data for resolving deeper‐level phylogenetic relationships. The phylotranscriptomic analyses to infer evolutionary relationships of Krameriaceae in the order Zygophyllales using the Minimum Evolution, Maximum Parsimony and Maximum Likelihood methods recovered similar topology and taxon proximity. Under the Zygophyllales clade, Krameria lanceolata Torr. of the family Krameriaceae nested with Tribulus eichlerianus K.L. Wilson and Larrea tridentata (Sessé & Moc. ex DC.) Coville belonging to the family Zygophyllaceae with strong nodal support. The phylotranscriptomic analyses suggest that the family Krameriaceae is sister to Zygophyllaceae. Bangladesh J. Plant Taxon. 27(2): 427-433, 2020 (December)

The survey indicates that, they are about 129 species belonging to 109 genera under 52 families (Table 1). Of the 52 families documented, the family Fabaceae is the dominant family, comprising 9 spp., the dominance of Fabaceae may be due to the nitrogen-fixing bacteria with which these taxa often are associated, allowing these species to improve their soils. 14 This was followed by Caesalpiniaceae (8 spp.), Euphorbiaceae (7 spp.), Capparaceae and Mimosaceae (6 spp. each), Asclepiadaceae, Asteraceae, Malvaceae, Tiliaceae are represented by 5 species each. The families Boraginaceae, Liliaceae, Rubiaceae are represented by 4 species each. Seven families are represented by 3 species each, they are:

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