Dacrycarpus guipingensis

Name

Dacrycarpus guipingensis

Rank

Species

Generic Name

[Genus] Dacrycarpus

Authors (Name)

Wu X.-K. Jin J.-H.  

Authors (Pub.)

Wu X.-K. Zavialova N. E. Kodrul T. M. Liu X.-Y. Gordenko N. V. Maslova N. P. Quan C. Jin J.-H.  

Publication

Northern Hemisphere megafossil of Dacrycarpus (Podocarpaceae) from the Miocene of South China and its evolutionary and paleoecological implications [2019/8]

Journal

Journal of systematics and evolution

Annee/Jahrgang

2019

Issue

10.1111/jse.12534

Page number

7

Year

2019

Fossil Status

leafy twigs (with reproductive organs)

Stratigraphy

Miocene

Strat. comment

Erzitang Formation

Location

Guiping Basin, Guangxi, South China

Paleoregion

Eurasia (China)

Data for Holotypus

Repository

Museum of Biology, Sun Yat-Sen University, Guangzhou, China

Repository Number

GP109

Num

fig. 3A

Pub.

Northern Hemisphere megafossil of Dacrycarpus (Podocarpaceae) from the Miocene of South China and its evolutionary and paleoecological implications [2019/8]

Data for Paratypus

Repository

Museum of Biology, Sun Yat-Sen University, Guangzhou, China

Repository Number

GP053–1, GP071, GP108, GP199, GP258

Num

fig. 3-5

Pub.

Northern Hemisphere megafossil of Dacrycarpus (Podocarpaceae) from the Miocene of South China and its evolutionary and paleoecological implications [2019/8]

Diagnosis

Foliage dimorphic, with bifacially flattened leaves on long shoots and bilaterally flattened leaves on short shoots. Leaves spirally inserted, decurrent, with single midvein and fine mucro. Central resin canal present. Leaves amphistomatic, with two longitudinal stomatal bands occurring from leaf base to apex on each leaf surface. Ovuliferous shoots composed of spreading or clasping involucral leaves, an inverted ladder or spherical podocarpium and seed cone. Seed cones terminal, oval‐shaped, obovate, deployed singly or doubly (one aborted) on a warty podocarpium. The testa consists of a thick mesotesta layer and a thin endotesta layer. The exotesta reduced. Pollen cone subtended by a short stalk with a few small scales, microsporophylls helically arranged, triangular and acute, each bearing two globular sporangia. Pollen trisaccate.