Glossary of Plant Systematics (1st ed.) by Simpson (2006)
- That part of the gynoecium composed of an ovary, one or more styles (which may be absent), and one or more stigmas. (flower part, gynoecium part)
Glossary of "Life (9th ed.)" by Sadava et al. (2011)
- The structure of an angiosperm flower within which the ovules are borne. May consist of a single carpel, or of several carpels fused into a single structure. Usually differentiated into ovary, style, and stigma.
Glossary of "A Botanist's Vocabulary" by Pell & Angell (2016)
- individual component of the innermost whorl of the flower (the gynoecium), each is made up of one to many fused carpels and normally consists of stigma(s), style(s), and ovary
- Pell, S. K. & Angell, B. 2016. A Botanist's Vocabulary: 1300 Terms Explained and Illustrated. 226 pp. Timber Press, Portland.
- Simpson, M. G. 2006. Plant Systematics. -xi + 590 pp. Elsevier Academic Press, Oxford.
- Sadava, D., Hillis, D. M., Heller, H. C. & Berenbaum, M. R. 2011. Life: The Science of Biology, 9th ed. -xliv + 1266 pp. Sinauer Associates, Inc., Sunderland.