Sterculia siwalica

Name

Sterculia siwalica

Rank

Species

Generic Name

[Genus] Sterculia

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

32

Year

2015

Fossil Status

leaves

Stratigraphy

Tortonian

Strat. comment

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

Location

Ghish 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

40342

Num

8: 1, 3

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

40343

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, symmetrical, narrow elliptic to lanceolate; preserved size 6.7 x 3.1 cm and 8.1 x 4.2 cm; apex acute; base slightly broken; margin entire; texture chartaceous; venation pinnate; eucamptodromous; primary vein single, prominent, almost straight, stout; secondary veins 11–12 pairs visible, 0.4 to 0.9 cm apart, usually alternate, unbranched, angle of divergence (about 65º), moderate acute to wide acute, uniformly curved up and joined to that superadjacent secondary veins at obtuse angle; intersecondary veins present, simple; tertiary veins fine, angle of origin usually RR, percurrent, almost straight, sometime branched, oblique in relation to mid vein, predominantly alternate and close.