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Azolla deccaniana
Azolla deccaniana Nambud., Chitaley Rev. Palaeobot. Palynol., 69(4): 332. 6 Sep 1991
- Name
- Azolla deccaniana
- Rank
- Species
- Generic Name
- [Genus] Azolla
- Authors (Pub.)
- Nambudiri E. M. V.
Chitaley S. D.
- Publication
- Fossil Salvinia and Azolla from the Deccan Intertrappean beds of India [1991/9]
- Journal
- Review of Palaeobotany and Palynology
- Volume
- 69
- Issue
- 4
- Page number
- 332
- Year
- 1991
- Fossil Status
- leafy stems (with reproductive organs)
- Stratigraphy
- Maastrichtian
- Strat. comment
- Deccan Intertrappean
- Location
- Mohgaon Kalan, Chhindwara District, Madhya Pradesh, India
- Paleoregion
- Gondwana (Indostan)
Data for Holotypus
- Repository
- Cleveland Museum of Natural History, Cleveland, USA
- Repository Number
- lost during transport; description based mainly on Slide No. Pm 2354 [Slide Nos. Pm 2350, 2351 and 2353 have also been studied]
- Diagnosis
- Stem 160 um in diameter, roughly spherical; epidermis single-layered, cortex
parenchymatous; xylem consisting of two metaxylem and two protoxylem vessel elements; roots spherical or ovoidal; epidermis uniseriate; cortex
parenchymatous, cells up to four layers; endodermis uniseriate; metaxylem of three elements; protoxylem six, comparatively smaller cells; microsporocarps ovate, 1.5 mm in diameter; sporocarp wall enclosing massulae composed of epidermal cells; axis of the sporocarp on one side, enclosed by the epidermal layer of the sporocarp; wall of the axis parenchymatous, double-layered; cortex aerenchymatous; stele 20 lain wide; massulae divided into four, oval or triangular partings; glochidia lacking; microspores numerous, 25 um in diameter, triradiate mark present.
