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lobule (plural lobules)
- A small lobe; a subdivision of a lobe.
- (botany) In liverworts with bilobed leaves, the smaller of the two lobes, sometimes modified to form a sac.
- 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, New York, N.Y.: Columbia University Press, →ISBN, page 4:
- The Jubulaceae have a leaf whose lobule, usually transformed into a water-sac, is normally very narrowly attached to the stem and to the dorsal lobe; indeed some Frullania taxa reproduce vegetatively by dropping the dorsal lobes, but not the lobules, and Neohattoria has caducous lobules but persistent lobes.
small lobe; a subdivision of a lobe