Additional file 3: Figure S3. of Further study of Late Devonian seed plant Cosmosperma polyloba: its reconstruction and evolutionary significance

Abstract

Interpretative line drawing showing synangiate pollen organs on fertile axes of Cosmosperma polyloba. (a) Anisotomous fertile rachises with terminal pollen organs in Fig. 7a. Conical prickles sparsely located along the fertile rachises sparsely. (b, c) Two stages of dÊgagement on pollen organs in Fig. 7d, e, respectively. (TIFF 1395 kb