Timanostrobus muravievii Meyen sp. nov.
nomenclatorial act:
protologue/first publication
Bibliography:
Page:
375
diagnosis:
Compound polysperms up to 11 cm long and 4 cm wide (main axis 10-13 mm
wide) terminating leafy twigs of the Brachyphyllum or Pagiophyllum type.
Simple lateral polysperms obconical. Seeds winged, on short decurrent stalks. Megaspore
membrane thick, 0.8-2.5 mm long, 0.6-1.7 mm wide. Elongated microstrobili, 6-8
mm wide and 3-4 cm long, occupy apical position on repeatedly dichotomizing
leafy twig. Pollen 50-70 urn in diameter, round, often folded and then
boat-shaped. Quasisaccus with densely spaced minute lumina, gradually disappe
typeseries:
Holotype: Specimen No . 4577/207-2 (Plate V, 55, 61,62; Fig . 10A).