chemotaxonomy

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chemotaxonomy

(kē′mō-tăk-sŏn′ə-mē, kĕm′ō-)
n.
The classification of organisms based on differences at the biochemical level, as in the amino acid sequences of common proteins.

che′mo·tax′o·nom′ic (-tăk′sə-nŏm′ĭk) adj.
che′mo·tax′o·nom′i·cal·ly adv.
che′mo·tax·on′o·mist n.

chemotaxonomy

taxonomy based on chemical structure or composition such as lipids or DNA base composition.
References in periodicals archive ?
Chemotaxonomically, this is accompanied by a decrease in lignified tissues, loss of hydrolyzable tannins, loss of proanthocyanidins or restriction to seed coats, and the predominance of isoflavonoids within the Fabaceae, the most advanced group (Polhill & Raven, 1981; Cronquist, 1988).
The native Hypericum belongs to a section that is characterized chemotaxonomically by the absence of hypericin, its derivatives and hyperforin (Ferraz et al.
However, the natural occurrence of colchicine in the taxonomica lly unrelated and evolutionary primitive, monotypic, Ginkgo biloba (Ginkgaceae) [Ginkgoales of the Gymnosperm] is chemotaxonomically incompatible.