Scottish National Dictionary (1700–)
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First published 1976 (SND Vol. X, list of scientific terms with Scottish connections).
This entry has not been updated since then but may contain minor corrections and revisions.
THOMSONIA. Bot. A plant of the Araceae or arum family from the Himalayas and Assam (1830 N. Wallich Plant. Asiat. Rar. I. 99).
[After Antony Thomson (1778–1849), of Edinburgh, Professor of Materia Medica, London.]