Slide 35
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CROSS SECTION OF THE SEED COAT OF
COUROUPITA GUIANENSIS
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Exotestal cells (EX) are prolonged into trichomes 4-5 mm long. All species of Couroupita possess this feature and no other species of Lecythidaceae have it. My colleague, Chih-Hua Tsou, and I hypothesize that the trichomes facilitate seed passage through the digestive tracts of peccaries. |
Once again we see how see anatomy is related to dispersal biology.