Want to find out what does the word labellum mean? We gathered all the possible definitions of the word labellum on our website. Our definition dictionary is updated all the time with new definitions and is ready to help you.
labellum
Part of speech: NounIn bot., a lip, or lower lip only; the third of the inner petals of an orchid.
Usage examples "labellum":- It was as singular as it was new to me;- the sepals and petals of a rich purple and velvet- like appearance; the helmet, to which form the column bore the nearest resemblance, of the same colour; the labellum striated with yellow. - "The Romance of Natural History, Second Series", Philip Henry Gosse.
- Darwin had noticed that the flowers of Catasetum do not secrete nectar, and he conjectured that in place of it the insects gnaw a tissue in the cavity of the labellum which has a " slightly sweet, pleasant and nutritious taste." - "Darwin and Modern Science", A.C. Seward and Others.
- In one species of Orchids, the labellum or lower lip is hollowed into a great bucket continually filled with water, secreted from two horns which stand above it; when the bucket is sufficiently filled, the water flows out through a pipe or spout on one side. - "What is Darwinism?", Charles Hodge.