Metalejeunea cucullata (Reinw., Blume & Nees) Grolle
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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
Lejeuneaceae
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Scientific Name
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Description
Species Description - Plants 0.2-0.3 mm wide. Leaf lobes parallel to and not arching beyond stem, not spreading, ovate, 1.5-1.8 times longer than wide, apex rounded, margins entire, plane or ventral margin incurved. Cells isodiametrical, in midlobe ca. 15 µm long, rather thin-walled, trigones small to medium-sized; ocelli lacking. Lobules 1/2-2/3 of leaf length, not reduced, keel crenate by convex cells, apical tooth sharp, straight or curved. Underleaves 4-8 cells wide at base, 1.5-2 times stem width, underleaf lobes acute, with a tip of 1 cell or 2 in a row. Autoicous.