Cephaloziellaceae
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Authority
Gradstein, S. Robbert & Ilkiu-Borges, Anna L. 2009. Guide to the plants of Central French Guiana. Part 4. Liverworts and hornworts. Mem. New York Bot. Gard. 76 (4): i-iv + 1-140.
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Family
Cephaloziellaceae
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Scientific Name
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Description
Description - Plants leafy, very small, thread-like, variable in color, creeping or ascending, sometimes with a stoloniform base. Stems without hyalodermis. Branches ventral- or lateral-intercalary and terminal, Frullania-type. Leaves transverse or succubous, alternate, bifid or entire, in¬sertion line extending to dorsal midline or not. Cells small, less than 25 µm in diameter in , with thin or uniformly thickened walls, trigones small or lacking, cuticle smooth or papillose; oil bodies finely granular. Underleaves very small or lacking. Rhizoids scattered. Gametoecia on leading shoots or very short branches. Sporophyte surrounded by a long-cylindrical perianth, mouth wide or somewhat contracted, often crenate and bordered by conspicuously elongate, thick-walled cells. Seta very thin, of only 8 rows of cells: 4 large outer rows and 4 small inner rows. Capsule elongate, wall 2-layered. Vegetative reproduction by gemmae produced on upright, flagelliform shoots.