Additional file 3 of Re-study of Guangdedendron micrum from the Late Devonian Xinhang forest
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posted on 2022-05-24, 10:48 authored by Xue Gao, Le Liu, Min Qin, Yi Zhou, Lei Mao, De-Ming WangAdditional file 3: Fig. S3. SEM of megaspores of Guangdedendron micrum displaying body, gula and ornamentations. (A) Several megaspores. (B) Megaspore in lateral view. (C) Two megaspores. Arrows 1 and 2 indicating portions enlarged in Fig. S3E and 8 T, respectively. (D) Megaspore in lateral view. Arrow indicating portion enlarged in Fig. S3F. (E, F) Enlargement of portions in Fig. S3C (arrow 1) and S3D (arrow), respectively. Showing tapered and curved spiny ornamentations. (G, H) Tapered spiny ornamentations. (I) Persistent basal portions of spiny ornamentations with upper parts missing or abscised. Scale bars: A (500 μm), B–D (200 μm), E–H (100 μm), I (50 μm).
