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Podospermum
Genus Podospermum J. Banerji, Am.K. Ghosh Cretac. Res., 27(5): 708. Oct 2006
- Name
- Podospermum
- Rank
- Genus
- Authors (Pub.)
- Banerji J.
Ghosh A. K.
- Publication
- Podospermum gen. et sp. nov., an Acmopyle-like dispersed silicified ovule/seed from Lower Cretaceous intertrappean beds of the Rajmahal Basin, India [2006/10]
- Journal
- Cretaceous Research
- Volume
- 27
- Issue
- 5
- Page number
- 708
- Year
- 2006
- Parent Taxon
- [Order] Podocarpales
- Fossil Status
- seeds
- Type
- Podospermum rajmahalense
- Diagnosis
- Ovules/seeds oval in shape, drupaceous, erect
in position; fertile bract present; ovule complex, subtended
by fertile bract; ovuliferous scale encloses ovules/seeds; integument
differentiated into three layers: sarcotesta with
thin-walled cells, fleshy sclerotesta with thick walled cells,
and endotesta thin and fleshy; ovuliferous scale (epimatium)
entirely fused with integument and indistinguishable from it.
Nucellus with nucellar pad at base; except at base it is
free from integument; megasporangium with two distinct
archegonia in apical region. Nucellus with nucellar beak in
apical region, nucellar beak (tentpole) has trough-like broad
base.
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