Symbiezidium
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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
Description - Plants usually large, green to brown, creeping to pendent. Branches Lejeunea-type or Frullania-type. Stems with a hyalodermis; ventral merophyte 4-8 cells wide. Leaf lobes widely spreading, little altered when dry, apex rounded to apiculate, margins entire or toothed near apex. Cells isodiametrical, trigones triradiate, cuticle smooth; oil bodies large, homogeneous. Lobules strongly inflated, ball-shaped, small, 1/10-1/4 ot leaf length, rarely leduced, apex without or with 1 small tooth, hyaline papilla proximal-ental. Underleaves undivided, large, broadly ovate to reniform, (3)4-10 times stem width, apex broadly rounded to truncate, margins entire, bases cuneate to widely rounded, insertion line deeply arched. Androecia on short, specialized branches, bracteoles limited to base, bracts with hypostatic lobules. Gynoecia on very short branches, without innovations or with 1 short, pycnolejeuneoid innovation. Perianths ± flat, ciliate-laciniate. Sporophyte lejeuneoid. Vegetative reproduction not observed. 1. Plants 2-3 mm wide. Ventral surface of perianth randomly covered by short spines, cilia, or laciniae.....S. barbiflorum.