Xylocarpus mekongensis Pierre
Metadata
Description
Equatorial view of an oblate grain with an protruding oral part
Pollen Slide N°
IFP 18659
Code
xylomeko
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optical section of Fig. 1
Pollen Slide N°
IFP 18659
Code
xylomeko
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view of an oblate grain; note the perforate exine surface and non-meridional colporus
Pollen Slide N°
IFP 18659
Code
xylomeko
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optical section of Fig. 3
Pollen Slide N°
IFP 18659
Code
xylomeko
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Deep focus of Fig. 3
Pollen Slide N°
IFP 18659
Code
xylomeko
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Subpolar view of a 3- colporate grain; optical section
Pollen Slide N°
IFP 18659
Code
xylomeko
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view of a 4- colporate grain with perforate exine
Pollen Slide N°
IFP 18659
Code
xylomeko
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optical section of Fig. 7
Pollen Slide N°
IFP 18659
Code
xylomeko
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Family
Genus
Key
pollen_000131
Collection Object
Basis of Record
Preserved specimen
Recorded By
Collection Code
PIFP
Institution Code
IFP
Code
xylomeko
Pollen Slide N°
Pollen Slide N°: IFP 18659
Determination
Family
Genus
Specific Epithet
Scientific Name
Scientific Name Authorship
Genus Authorship
Koen.
Morphology
Symmetry and Form
Monad, radial_symmetry, isopolar, 4-colporate, (sub)circular or elliptic ( E > P ) to spheroidal in equatorial_view, semi-quadrangular (angulaperturate) in polar_view
Dimensions
Polar_Axis = 37-38 µm; Equatorial_Axis = 36-43 µm
Apertures
Four stephanocolpora, colpus linear, colpus apex obtuse, aperture_membrane psilate, distance between the adjacent colpal apices 25.0-32.0 µm, margo undifferentiated, costae_colpi present; Os: circular (d=3-4 µm), oral_costae present
Exine
Psilate, tectate, infratectum columellate, exine thickness at the mid-point of the intercolpium ±2.0 µm
Remark
A stenopalynous genus (see Thanikaimoni, G. 1987)
Tentative Pollen Typification
Xylocarpus type
References (Generic Palynology)
LM & SEM of Xylocarpus molucensis (microperforations and microgranules) in Lobreau-Callen, D., Straka, H. & Friederich, B. (1984). LM of Xylocarpus obovatus in Thanikaimoni, G. (1987)
Location
Ecology and Taxonomy
A moderate-sized evergreen tree of Swamp forests. Generic and specific descriptions in Flora of Madras: p. 132 (Gamble, J.S., 1967)
Distribution of Species
East Coast, in the Deltas of the Krishna and Coleroon rivers
Distribution of Genus
3 spp., Tropical Coasts, East Africa, Sri Lanka, Malaysia, North Australia, Pacific (Willis, J.C., 1988). Distribution data for 1 species in Flora of Madras: p. 132 (Gamble, J.S., 1967)
Reuse
License
Cite as
Xylocarpus mekongensis Pierre,
in Digital Collections, Institut Français de Pondichéry,
Pollen Slides,
consulted on April, 4th 2025, https://digitalcollections.ifpindia.org/s/ecological-specimens/item/461885