FIGURE 20 in Fruits, seeds and flowers from the Puryear clay pit (middle Eocene Cockfield Formation), western Tennessee, USA

FIGURE 20. Castanopsoidea columbiana Crepet and Nixon, 1989: 1) UF15820-061131, showing an incomplete, unbranched infructescence. Scale bar equals 5 mm; 2) Enlargement of Figure 20.1 to show transversely arranged scales on the cupule (indicated by arrows). Scale bar equals 1 mm; 3) UF15820-061131', counterpart specimen showing scales with acute apices. Scale bar equals 5 mm; 4) UF15820-059483, showing a sessile fruit with spiny scales. Scale bar equals 2 mm; 5) UF15820-059490a, proximal portion of an incomplete infructescence showing four cupules. Note one cupule is detached. Scale bar equals 5 mm.