Dipterocarpus indicus Bedd.
Metadata
Description
Photographed at (x250); note the "tilioid" exine in different foci and colpus with infolded colpal membrane (Figs. 1-2)
Pollen Slide N°
IFP 1394
Code
diptindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Photographed at (x250); note the "tilioid" exine in different foci and colpus with infolded colpal membrane (Figs. 1-2)
Pollen Slide N°
IFP 1394
Code
diptindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view: mid-region showing LO analysis of "tilioid" exine (Figs. 3-4)
Pollen Slide N°
IFP 1394
Code
diptindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view: mid-region showing LO analysis of "tilioid" exine (Figs. 3-4)
Pollen Slide N°
IFP 1394
Code
diptindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
A part of a grain in optical section
Pollen Slide N°
IFP 1394
Code
diptindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
SEM - oblique polar view showing surface details of "tilioid" exine
Pollen Slide N°
IFP 1394
Code
diptindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view: photographed at x250; LO analysis and the upper lobe in optical section showing a few Y-shaped columellae (Figs. 7-9)
Pollen Slide N°
IFP 1394
Code
diptindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view: photographed at x250; LO analysis and the upper lobe in optical section showing a few Y-shaped columellae (Figs. 7-9)
Pollen Slide N°
IFP 1394
Code
diptindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view: photographed at x250; LO analysis and the upper lobe in optical section showing a few Y-shaped columellae (Figs. 7-9)
Pollen Slide N°
IFP 1394
Code
diptindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Family
Genus
Key
pollen_000038
Collection Object
Basis of Record
Preserved specimen
Recorded By
Collection Code
PIFP
Institution Code
IFP
Code
diptindi
Pollen Slide N°
Pollen Slide N°: IFP 1394
Determination
Family
Genus
Specific Epithet
Scientific Name
Scientific Name Authorship
Genus Authorship
Gaertn.f.
Morphology
Symmetry and Form
Monad, radial_symmetry, isopolar, 3-colpate, elliptic in equatorial_view, circular in polar_view
Dimensions
Polar_Axis = 73-85 µm; Equatorial_Axis = 48-61 µm
Apertures
Three colpi, Colpus: elliptic and long, colpus apex obtuse, distance between the adjacent colpal apices: 15-20 µm, membrane psilate, margo undifferentiated, costae_colpi absent
Exine
Tilioid or funnel-shaped columellae joined by tectum, (appearing like depressions in surface view; that are Y, V, or U shaped in cross sections), exine thickness at the mid-point of the intercolpium: ±3.0 µm
Remark
A stenopalynous genus [Maury, G., Muller, J. & Lugardon, B. (1975)]
Tentative Pollen Typification
Dipterocarpus type
References (Generic Palynology)
LM & SEM (micrographs) of D. confertus, D. humeratus, SEM & TEM of D. pseudo-fagineus in Maury, G., Muller, J. & Lugardon, B. (1975)
Location
Continent
Country
State / Province
County / District
Ecology and Taxonomy
A very large tree up to about 1000m. A good timber for plywood. Leaf illustration: Pascal, J-P. & Ramesh, B.R. (1987), fig. 93. Generic description and specific key in Flora of Madras: p. 58 (Gamble, J.S., 1967)
Distribution of Species
Indo-Malaysia. Western Ghats: from North Kanara to Kanyakumari District. Map: Ramesh, B.R. & Pascal, J-P. (1997): Plate N°- 79
Distribution of Genus
76 spp., Sri Lanka and India to Western Malaysia and Bali (Willis, J.C., 1988). Keys and distribution data for 2 species in Flora of Madras: p. 58 (Gamble, J.S., 1967)
Reuse
License
Cite as
Dipterocarpus indicus Bedd.,
in Digital Collections, Institut Français de Pondichéry,
Pollen Slides,
consulted on February, 5th 2025, https://ifp.inist.fr/s/ecological-specimens/item/461792