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Figure 1 | BMC Evolutionary Biology

Figure 1

From: A new Late Devonian genus with seed plant affinities

Figure 1

Vegetative morphology of Yiduxylon trilobum gen. et sp. nov. from Hubei. (a) Stem attached by three fronds. PKUB14401. (b) Stem with three fronds in helix, with middle frond bifurcating and lower frond extending into rock (arrow). PKUB144403. (c-d) Part and counterpart of specimen showing connection of frond, primary and secondary pinnae and planate pinnules in one plane. Arrow in (d) indicating frond rachis enlarged in (e). PKUB14402a, PKUB14402b. (e) Enlargement of (d, arrow) displaying longitudinal ridges and grooves. (f) Secondary pinna rachis with planate pinnules. PKUB14407.

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BMC Ecology and Evolution

ISSN: 2730-7182

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