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

Plant Fossil Names Registry Number: PFN000595

Act LSID: urn:lsid:plantfossilnames.org:act:595

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

Types

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.

Etymology

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.

Stratigraphy

Paleogene, Eocene
Baltic amber derives from Priabonian to Lutetian sediments

Locality

Russian Federation
Samland, Kaliningrad