Taxonomic analysis reveals 12 endemic Cinnamomum species in South India, highlighting species diversity and clarifying historical botanical nomenclature.
Cinnamomum is represented in South India by 12 endemic speties and the imported cultivated C. verum (synonym C. zeylanicum) from Ceylon. Of these C. filipedicellatum, C. goaense, C. keralaense and C. walaiwarense are here described for the first time. Cinnamomum heyneaman Nees, reduced to C. pedunculatum, var. angustifobum Hemsley by Allen and later to C. burmanni, var. angastifolium Hemsley and quite recently reduced to forma heyneanum by H. W. Li in 1978, is here reestablished. The single collection known is from S. India and is certainlv different from the Chinese C. angustifolium; with C. burmanni it is not related at all. A complete bibliography of C. malabatrum (Burm. f.) Bl. is presented, this was in antiquity the source of Cassia lignea bark and of Folium Indum. The history of this bark and the leaves is presented.
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A. J. G. H. Kostermans (2024) studied this question.
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