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Swietenia siwalika
Swietenia siwalika R. Ranjan, Mah. Prasad, Huk. Singh Geophytology, 55(1): 100. May 2025
- Name
- Swietenia siwalika
- Rank
- Species
- Generic Name
- [Genus] Swietenia
- Authors (Pub.)
- Ranjan R.
Prasad M.
Singh H.
- Publication
- New fossil leaves resembling Chisocheton Blume and Swietenia Jacq. of family Meliaceae from Middle Siwalik Group of Sarkaghat area, Mandi District, Himachal Pradesh, India [2025/5]
- Journal
- Geophytology
- Volume
- 55
- Issue
- 1
- Page number
- 100
- Year
- 2025
- Fossil Status
- leaves
- Stratigraphy
- Miocene
- Strat. comment
- Middle Siwalik Formation; Upper Miocene
- Location
- Kandapaten (N 31º48.411´: E 76º46.094´) about 4 Km from Dharampur on Sarkaghat-Joginder Nagar Road, Mandi District, Himachal Pradesh, India
- Paleoregion
- Eurasia (Indostan)
Data for Holotypus
- Repository
- Birbal Sahni Institute of Palaeosciences, Lucknow, India
- Repository Number
- 41254-41255 [3 specimens]
- Diagnosis
- Leaf asymmetrical; 4.3 x 1.2 cm, 3.1 x 1.3 cm and 4.5 x 1.6 cm; narrow elliptic, apex acute; base acute, inequilateral; margin entire; venation pinnate; eucamptodromous; primary vein straight, stout; secondary vein 6-7 pairs, 0.4–1.2 cm apart, angle of divergence 55°, intersecondaries present, frequent; tertiary veins fine, angle of origin usually RR, percurrent, straight to sinuous predominantly alternate and close.
