Crum, Howard Formerly, Herbarium, University of Michigan, Ann Arbor, Michigan.
- Additional Readings
The largest order of liverworts, often called the leafy liverworts; it consists of 43 families. The leaves are in three rows, with the underleaves usually reduced or lacking. Other distinctive features include a perianth formed by a fusion of modified leaves, a short-lived seta, and a four-valved capsule. The leaves have an embryonic bilobed phase which may be lost on further development.
The content above is only an excerpt.
for your institution. Subscribe
to your librarian. Recommend
AccessScience provides the most accurate and trustworthy scientific information available.
115,000-PLUS definitions from the McGraw-Hill Dictionary of Scientific and Technical Terms
3000 biographies of notable scientific figures
MORE THAN 17,000 downloadable images and animations illustrating key topics
ENGAGING VIDEOS highlighting the life and work of award-winning scientists