IDNAME urn:idName:fossilplants.info:species:04FDDA75-4F37-4BE6-87AE-5C1B386F4EF2 species
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Carex dorofeevii

Carex dorofeevii Jiménez-Mejías, S.Popova, Martinetto in Jiménez-Mejías, Martinetto, Momohara, S.Popova, S.Y. Smith, Roalson Bot. Rev. (Lancaster) [43, 87]. 17 Jun 2016
Name
Carex dorofeevii
Rank
Species
Generic Name
[Genus] Carex
Authors (Name)
Jiménez-Mejías P. Popova S. S. Martinetto E.  
Authors (Pub.)
Jiménez-Mejías P. Martinetto E. Momohara A. Popova S. S. Smith S. Y. Roalson E. H.  
Publication
A commented synopsis of the Pre-Pleistocene fossil record of Carex (Cyperaceae) [2016/6]
Journal
Botanical Review
Page number
[43, 87]
Year
2016

Fossil Status
fruits

Stratigraphy
Miocene
Location
Polevskoj, Sverdlovsk region, Russian Federation
Paleoregion
Eurasia (Urals)
Data for Holotypus
Repository
Komarov Botanical Institute, Russian Academy of Sciences, St.-Petersburg, Russian Federation
Repository Number
K464
Diagnosis
Achenes 2.5–3.0 × 1.2–1.7 mm, narrowly obovate to elliptical in outline, trigonous, slightly curved. Faces concave in cross section, almost equal in width; edges thick at the base. Upper half of the achene acute, gradually narrowing into the style base. Style base up to 1/7 of the achene length, rounded-triangular, not very thick, often bent. Lower half of the achene gradually tapering into a narrow base. Base of the achene bearing a more or less definite, thin callus. Wall thick, leathery, and elastic; surface brown, shiny, with large cells with shallow cell lumina pits.


Nomenclatural synonyms

Species
Carex antiqua
Carex dorofeevii

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