Arceuthobium conwentzii Sadowski, Seyf., C.A.Wilson, Calvin et A.R.Schmidt

Plant Fossil Names Registry Number: PFN000595


Authors: E. M. Sadowski, L. J. Seyfullah, C. A. Wilson, C. L. Calvin & A. R. Schmidt

Rank: species

Reference: Sadowski, E. -M., Seyfullah, L. J., Wilson, C. A., Calvin, C. L. & Schmidt, A. R. (2017): Diverse early dwarf mistletoes ( Arceuthobium ), ecological keystones of the Eocene Baltic amber biota. – American Journal of Botany 104(5): 694–718.

Page of description: 701

Illustrations or figures: fig. 2


Holotype GZG.BST.24548, Geoscientific Collections of the University of Göttingen, Germany
Figures: fig. 2A (arrowhead)

Original diagnosis/description

Internode cross section angular, internodes 2.8–3.7 mm long × 0.5–0.7 mm wide, unbranched. Bracts two-paired, decussate, entire, rhombic, not fused, 0.8–1.2 mm long × 1.2–1.6 mm wide. Fruits seven or eight per node, elliptic, 1.4–2.2 mm long × 0.6–1.1 mm wide, divided, distal part deeply furrowed, proximal part fi nely ribbed; distal portion 45–68% of total fruit. Perianth 3-merous, adnate to distal part of the fruit body.


The species is named after the botanist and amber researcher Hugo Wilhelm Conwentz (1855–1922) who examined and described numerous plant inclusions from Baltic amber.


Paleogene, Eocene
Baltic amber derives from Priabonian to Lutetian sediments


Russian Federation
Samland, Kaliningrad

Plant fossil remain

macro- and meso-fossils-embryophytes except wood


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