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

Source Herbarium

TBGT

Code

octotrav

Pollen Slide N°

Pollen Slide N°: IFP 21899

Determination

Family

Genus

Specific Epithet

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)

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Cite as

Octotropis travancorica Bedd., in Digital Collections, Institut Français de Pondichéry, Pollen Slides, consulted on February, 5th 2025, https://ifp.inist.fr/s/ecological-specimens/item/461848