Otonephelium stipulaceum Radlk.

Metadata

Description

Equatorial view with a composite aperture showing colpus with costae colpi and lolongate os

Pollen Slide N°

IFP 21687

Code

otonstip

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

Metadata

Description

Equatorial view with a colporus in view; another in profile and an intercolpium

Pollen Slide N°

IFP 21687

Code

otonstip

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

Metadata

Description

Focus 2 of Fig. 2

Pollen Slide N°

IFP 21687

Code

otonstip

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

Metadata

Description

Optical section of Fig. 2

Pollen Slide N°

IFP 21687

Code

otonstip

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

Metadata

Description

Optically sectioned 2 grains in polar view; 3-colporate with subtriangular outline and 2-colporate with ellipsoidal outline

Pollen Slide N°

IFP 21687

Code

otonstip

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

Metadata

Description

Polar view: note the unevn exine surface (faintly striate)

Pollen Slide N°

IFP 21687

Code

otonstip

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

Metadata

Description

Optical section (sub-triangular in outline) of Fig. 6

Pollen Slide N°

IFP 21687

Code

otonstip

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

Family

Genus

Synonyms

Nephelium stipulaceum Bedd.

Key

pollen_000097

Collection Object

Basis of Record

Preserved specimen

Recorded By

Event Date

1979-02-18

Record Number

HIFP JPP1375

Collection Code

PIFP

Institution Code

IFP

Source Herbarium

HIFP

Code

otonstip

Pollen Slide N°

Pollen Slide N°: IFP 21687

Determination

Family

Genus

Specific Epithet

Scientific Name Authorship

Genus Authorship

Radlk.

Morphology

Symmetry and Form

Monad, radial_symmetry, isopolar, elliptic ( E > P ) in equatorial_view; triangular (angulaperturate) in polar_view

Dimensions

Polar_Axis = 20-23 µm; Equatorial_Axis = 23-32 µm

Apertures

Three-colpora; Colpus elliptic, colpus apex acute, distance between the adjacent colpal apices ±6.0 µm, margo undifferentiated, aperture_membrane psilate, costae_colpi present; Os elliptic to subcircular with curved lateral ends, lolongate, oral_costae present

Exine

Tectate, faintly and finely_striate, mur <0.5 µm, infratectum columellate, exine at the mid-point of the intercolpium ±2.0 µm

Remark

A stenopalynous genus

Tentative Pollen Typification

Otonephelium type

References (Generic Palynology)

LM of Otonephelium stipulaceum in Tissot, C., Chikhi, H. & Nayar, T.S. (1994); LM and SEM (finely striate) of O. stipulaceum in Van der Berg, R.G. (1978)

Location

Continent

Country

State / Province

County / District

Locality

Chalakudy

Ecology and Taxonomy

A medium-sized tree up to 1300m. Occasional. Leaf illustration: Pascal, J-P. & Ramesh, B.R. (1987), fig. 365. Generic (Nephelium Linn.) description and specific key (N. stipulaceum Bedd.) in Flora of Madras: pp. 179 & 180 (Gamble, J.S., 1967)

Distribution of Species

Western Peninsular India; Western Ghats: Malabar, Anamalai and Travancore hills. Endemic to Western Ghats. Map: Ramesh, B.R. & Pascal, J-P. (1997): Plate N°- 331

Distribution of Genus

1 sp., Peninsular India (Willis, J.C., 1988). Keys and distribution data for 2 species of Nephelium Linn. in Flora of Madras: pp. 179 & 180 (Gamble, J.S., 1967)

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Cite as

Otonephelium stipulaceum Radlk., in Digital Collections, Institut Français de Pondichéry, Pollen Slides, consulted on February, 5th 2025, https://ifp.inist.fr/s/ecological-specimens/item/461851