Anther anatomy in Conostegia. Each image is a transversal cut of an anther with a photograph under polarized light next to it. A–H are examples of anthers with sporangia positioned side by side. K–P are examples of anthers with sporangia superposed A–B C. lasiopoda (R. Kriebel 5651) C–D C. tenuifolia (D. Santamaría 8863) E–F C. oerstediana (R. Kriebel 5627) G–H C superba (R. Kriebel 5582) I–J C. subcrustulata (R. Kriebel 5653) K–L C. fraterna (R. Kriebel 5774) M–N C. friedmaniorum (R. Kriebel 5641) O–P C. ombrophila (R. Kriebel 3120). Scale bar: 100 µm.