Octotropis travancorica Bedd.
Metadata
Description
Equatorial view of an oblate grain with a colpororus showing reticulate exine
Pollen Slide N°
IFP 21899
Code
octotrav
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Low-focus of Fig. 1: colpus witn an oral complex (laterally extended os A and ±circular and costate os B)
Pollen Slide N°
IFP 21899
Code
octotrav
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optically sectioned exine of Fig. 1
Pollen Slide N°
IFP 21899
Code
octotrav
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view: an intercolpium and a colpororus; note the costae os B
Pollen Slide N°
IFP 21899
Code
octotrav
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optically sectioned exine of Fig. 4
Pollen Slide N°
IFP 21899
Code
octotrav
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view of an intercolpium in LO analysis (Figs. 6-7)
Pollen Slide N°
IFP 21899
Code
octotrav
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view of an intercolpium in LO analysis (Figs. 6-7)
Pollen Slide N°
IFP 21899
Code
octotrav
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view: LO analysis and optical section (Figs. 8-11)
Pollen Slide N°
IFP 21899
Code
octotrav
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view: LO analysis and optical section (Figs. 8-11)
Pollen Slide N°
IFP 21899
Code
octotrav
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view: LO analysis and optical section (Figs. 8-11)
Pollen Slide N°
IFP 21899
Code
octotrav
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view: LO analysis and optical section (Figs. 8-11)
Pollen Slide N°
IFP 21899
Code
octotrav
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Family
Genus
Key
pollen_000094
Collection Object
Basis of Record
Preserved specimen
Recorded By
Collection Code
PIFP
Institution Code
IFP
Code
octotrav
Pollen Slide N°
Pollen Slide N°: IFP 21899
Determination
Family
Genus
Specific Epithet
Scientific Name
Scientific Name Authorship
Genus Authorship
Bedd.
Morphology
Symmetry and Form
Monad, radial_symmetry, isopolar, 3-colpororate; spheroidal ( E > P ) in equatorial_view; circular in polar_view
Dimensions
Polar_Axis = 27-34 µm; Equatorial_Axis = 29-40 µm
Apertures
Three-colporora, colpus elliptic, colpus apex acute, aperture_membrane psilate, distance between the adjacent colpal apices ±10.0 µm; the oral complex is differentiated into Os A and Os B; os A is rhomboidal, laterally extended thinning with wavy lateral ends, lalongate, Os B is elliptic, surrounded by an oral costa, lolongate
Exine
Micro-reticulate, tectate, mur <1.0 µm, lumina <1.0 µm, infratectum columellate, exine thickness: at poles ±2.0 µm, at the mid-point of the intercolpium ±2.0 µm
Remark
A stenopalynous genus
Tentative Pollen Typification
Rubiaceae type X
References (Generic Palynology)
LM of Octotropis travancorica in Tissot, C., Chikhi, H. & Nayar, T.S. (1994)
Location
Ecology and Taxonomy
A pretty shrub or small tree in moist evergreen forests at 1000-1700m. Occasional. Leaf illustration: Pascal, J-P. & Ramesh, B.R. (1987), fig. 332. Generic and specific descriptions in Flora of Madras: p. 442 (Gamble, J.S., 1967)
Distribution of Species
Western Peninsular India; Western Ghats: from Wayanad to the hills of Travancore and Tirunelveli. Endemic to Western Ghats. Map: Ramesh, B.R. & Pascal, J-P. (1997): Plate N°- 310
Distribution of Genus
2 spp., South India, Burma (Willis, J.C., 1988). Distribution data for 1 species in Flora of Madras: p. 442 (Gamble, J.S., 1967)
Reuse
License
Cite as
Octotropis travancorica Bedd.,
in Digital Collections, Institut Français de Pondichéry,
Pollen Slides,
consulted on April, 5th 2025, https://digitalcollections.ifpindia.org/s/ecological-specimens/item/461848