Organic nitrogenous bases. Many alkaloids of medical importance occur in the animal and vegetable kingdoms, and some have been synthesized. (Grant & Hackh's Chemical Dictionary, 5th ed)
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Plant allometry. : Plant allometry : the scaling of form and process / Karl J. Niklas
Plant anatomy -- Congresses. : New research in plant anatomy / edited by N. K. B. Robson, D. F. Cutler and M. Gregory
1970
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Plant anatomy -- Data processing. : The algorithmic beauty of plants / Przemyslaw Prusinkiewicz, Aristid Lindenmayer ; with James S. Hanan ... [and others]
Plant anatomy -- Mathematical models. : The algorithmic beauty of plants / Przemyslaw Prusinkiewicz, Aristid Lindenmayer ; with James S. Hanan ... [and others]
Plant bioactive compounds -- Biotechnology : Biotechnological production of bioactive phytochemicals of medicinal value : a comprehensive treatise / edited by P.B. Kavi Kishor [and 4 more]
--subdivisions Climatic factors and Seasonal variations under individual plants and groups of plants, e.g. Corn--Climatic factors; Corn--Seasonal variations
--subdivision Variation under individual plants and groups of plants for works on diversity or variation within a species or group, e.g. Grasses--Variation