. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 16. 1. Blade siphon. 2. Stipe siphon with lateral appendages. 3. Habit of plant. Udotea caribaea Littler & Littler 1990:211, fig. 2. Thallus widely fan shaped, heavily calcified; to 9 cm tall; yellow or white- green, ash-white when dried; blade to 10 cm wide, 7 cm long, mm thick; cortex absent; zonation obscure; stipe 2-5 mm diam., to cm long, no clear demarcation between stipe and blade surface texture; rhizoidal mass bulbous, entangled. Blade siphons lacking lateral appendages, tigh
. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 16. 1. Blade siphon. 2. Stipe siphon with lateral appendages. 3. Habit of plant. Udotea caribaea Littler & Littler 1990:211, fig. 2. Thallus widely fan shaped, heavily calcified; to 9 cm tall; yellow or white- green, ash-white when dried; blade to 10 cm wide, 7 cm long, mm thick; cortex absent; zonation obscure; stipe 2-5 mm diam., to cm long, no clear demarcation between stipe and blade surface texture; rhizoidal mass bulbous, entangled. Blade siphons lacking lateral appendages, tightly compact, 30-50 tim diam., constrictions above dichotomies symmetrical; stipe siphons 60-80 cm diam.; stipe appendages repeatedly branched, apices stubby, digitate, blunt. Fracture zone specimens: Bottom of east fracture, 7 m deep on mangrove peat, , D&MLittler 25107 (US). Bottom of central fracture, 7 m deep on mangrove peat, , D&M Littler 25102 (US). Bottom of west fracture, 7 m deep on mangrove peat, , D&M Littler 25195 (US).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution. Press; National Research Council (U. S. ). Pacific Science Board; Smithsonian Institution; National Museum of Natural History (U. S. ); United States. Bureau of Sport Fisheries and Wildlife. Washington, D. C. : [Smithsonian Press]
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