Gordonia obtusa Wall.
Metadata
Description
Equatorial view with a colporus showing LO analysis of reticulate exine, duplicolumellate mur, and the oral differentiation and optically sectioned exine (Figs. 1-5)
Pollen Slide N°
IFP 21831
Code
gordobtu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with a colporus showing LO analysis of reticulate exine, duplicolumellate mur, and the oral differentiation and optically sectioned exine (Figs. 1-5)
Pollen Slide N°
IFP 21831
Code
gordobtu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with a colporus showing LO analysis of reticulate exine, duplicolumellate mur, and the oral differentiation and optically sectioned exine (Figs. 1-5)
Pollen Slide N°
IFP 21831
Code
gordobtu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with a colporus showing LO analysis of reticulate exine, duplicolumellate mur, and the oral differentiation and optically sectioned exine (Figs. 1-5)
Pollen Slide N°
IFP 21831
Code
gordobtu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with a colporus showing LO analysis of reticulate exine, duplicolumellate mur, and the oral differentiation and optically sectioned exine (Figs. 1-5)
Pollen Slide N°
IFP 21831
Code
gordobtu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with a slightly depressed colporus and an intercolpium partly in low focus and optical section (Figs. 6-7)
Pollen Slide N°
IFP 21831
Code
gordobtu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with a slightly depressed colporus and an intercolpium partly in low focus and optical section (Figs. 6-7)
Pollen Slide N°
IFP 21831
Code
gordobtu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Subpolar view: focus on the infratectal duplicolumellate wall
Pollen Slide N°
IFP 21831
Code
gordobtu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view (subtriangular outline) in optical section
Pollen Slide N°
IFP 21831
Code
gordobtu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Key
pollen_000062
Collection Object
Basis of Record
Preserved specimen
Recorded By
Event Date
1975-12-06
Catalog Number
Record Number
HIFP JPP0565
Collection Code
PIFP
Institution Code
IFP
Code
gordobtu
Pollen Slide N°
Pollen Slide N°: IFP 21831
Determination
Family
Genus
Specific Epithet
Scientific Name
Scientific Name Authorship
Genus Authorship
Ellis
Morphology
Symmetry and Form
Monad, radial_symmetry, isopolar, 3-colporate; elliptic in equatorial_view, (sub)triangular (angulaperturate) in polar_view
Dimensions
Polar_Axis = 37-46 µm; Equatorial_Axis = 30-46 µm
Apertures
Three colpora; Colpus: elliptic, colpus apex acute, distance between the adjacent colpal apices 9.0-10.0 µm, margo undifferentiated, aperture_membrane psilate, costae_colpi present; Os: elliptic with curved lateral ends, lolongate, oral costate absent
Exine
Micro-reticulate, tectate, mur ±0.5 µm; lumina <1.0 µm, infratectum columellate, exine thickness at the mid-point of the intercolpium ±2.0 µm
Remark
A stenopalynous genus
Tentative Pollen Typification
Gordonia obtusa type
References (Generic Palynology)
LM (micrographs) of Gordonia obtusa in Tissot, C., Chikhi, H. & Nayar, T.S. (1994)
Location
Continent
Country
State / Province
County / District
Locality
Silent Valley
Ecology and Taxonomy
A tall tree along the margins of the forests from 1000 to 2300m. Generic and specific descriptions in Flora of Madras: p. 57 (Gamble, J.S., 1967)
Distribution of Species
Western Peninsular India; Western Ghats: in all Districts, chiefly of the Eastern side. Endemic to Western Ghats. Map: Ramesh, B.R. & Pascal, J-P. (1997): Plate N°- 352
Distribution of Genus
40 spp., China, Formosa, Indomal.; 1 sp., SE U.S. (Willis, J.C., 1988). Distribution data for 1 species in Flora of Madras: p. 57 (Gamble, J.S., 1967)
Reuse
License
Cite as
Gordonia obtusa Wall.,
in Digital Collections, Institut Français de Pondichéry,
Pollen Slides,
consulted on February, 5th 2025, https://ifp.inist.fr/s/ecological-specimens/item/461816