Vitis siwalica

Name

Vitis siwalica

Rank

Species

Original spelling

siwalicus

Generic Name

[Genus] Vitis

Authors (Pub.)

Prasad M. Kannaujia A. K. Alok Singh S. K.  

Publication

Plant megaflora from the Siwalik (Upper Miocene) of Darjeeling District, West Bengal, India and its palaeoclimatic and phytogeographic significance [2015/12]

Journal

Palaeobotanist

Volume

64

Issue

1–2

Page number

38

Year

2015

Fossil Status

leaves

Stratigraphy

Tortonian

Strat. comment

Geabdat Sandstone Formation (Middle Siwalik); Upper Miocene (Sarmatian to Pontian)

Location

Lish River Section, Oodlabari area, Darjeeling District, West Bengal, India

Paleoregion

Eurasia (Indostan)

Data for Holotypus

Repository

Birbal Sahni Institute of Palaeosciences, Lucknow, India

Repository Number

40348

Num

12: 5, 8

Pub.

Plant megaflora from the Siwalik (Upper Miocene) of Darjeeling District, West Bengal, India and its palaeoclimatic and phytogeographic significance [2015/12]

Data for Paratypus

Repository

Birbal Sahni Institute of Palaeosciences, Lucknow, India

Repository Number

40349

Num

12: 6

Pub.

Plant megaflora from the Siwalik (Upper Miocene) of Darjeeling District, West Bengal, India and its palaeoclimatic and phytogeographic significance [2015/12]

Diagnosis

Leaf simple; narrow elliptic; preserved size 7.2 x 3.9 cm, 9.0 x 4.4 cm; apex broken; base acute, normal; margin serrate; texture thick chartaceous; petiole present, 1.2 cm long; normal, venation pinnate; eucamptodromous; primary vein single, almost straight, prominent, stout; secondary veins 9 to 10 pairs visible, 0.8 to 1.4 cm apart, usually alternate, unbranched, angle of divergence (65º–70º), wide acute, simple; tertiary veins fine, angle of origin usually RR, percurrent, straight to sinuous, branched, oblique in relation to mid vein, predominantly alternate and close.