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Syzygium densiflorum Wall. & Arn.

Metadata

Description

Equatorial view of an oblate grain: note the narrow colpus

Pollen Slide N°

IFP 12902

Code

syzydens

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

cc-byCC BY

Metadata

Description

Focus 2 of Fig. 1

Pollen Slide N°

IFP 12902

Code

syzydens

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

cc-byCC BY

Metadata

Description

Low focus of Fig. 1 showing the outline of lalongate os

Pollen Slide N°

IFP 12902

Code

syzydens

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

cc-byCC BY

Metadata

Description

Optical section of Fig. 1

Pollen Slide N°

IFP 12902

Code

syzydens

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

cc-byCC BY

Metadata

Description

Optical section of another grain in equatorial view

Pollen Slide N°

IFP 12902

Code

syzydens

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

cc-byCC BY

Metadata

Description

Equatorial view with an intercolpium; note the optical section of vestibulate aperture (left)

Pollen Slide N°

IFP 12902

Code

syzydens

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

cc-byCC BY

Metadata

Description

Polar view: para-syncolpate

Pollen Slide N°

IFP 12902

Code

syzydens

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

cc-byCC BY

Metadata

Description

Low focus of Fig. 6

Pollen Slide N°

IFP 12902

Code

syzydens

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

cc-byCC BY

Metadata

Description

Optical section of Fig. 6

Pollen Slide N°

IFP 12902

Code

syzydens

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

cc-byCC BY

Metadata

Description

Polar view: para-syncolpate

Pollen Slide N°

IFP 12902

Code

syzydens

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

cc-byCC BY

Family

MYRTACEAE

Genus

Syzygium

Synonyms

Syzygium arnottianum Walp.

Key

pollen_000116

Collection Object

Basis of Record

Preserved specimen

Recorded By

F. Blasco

Event Date

1969-04-09

Catalog Number

HIFP_014742

Record Number

HIFP FB0605

Collection Code

PIFP

Institution Code

IFP

Source Herbarium

HIFP

Code

syzydens

Pollen Slide N°

Pollen Slide N°: IFP 12902

Determination

Family

MYRTACEAE

Genus

Syzygium

Specific Epithet

densiflorum

Scientific Name

Syzygium densiflorum Wall. & Arn.

Scientific Name Authorship

Wall. & Arn.

Genus Authorship

Gaertn.

Morphology

Symmetry and Form

Monad, radial_symmetry, isopolar or subisopolar, 3-(2- or 4-) colporate; more or less elliptic ( E > P ) in equatorial_view, (sub)triangular (angulaperturate) in polar_view

Dimensions

Polar_Axis = 7-11 µm; Equatorial_Axis = 14-17 µm

Apertures

Three colpora, a few 2- or 4- colporate grains, Colpus narrowly elliptic, with linked apices [para-syncolpate (bordered polar_areas) to syncolpate]; aperture_membrane psilate, margo undifferentiated, costae_colpi absent; Os: lalongate, oral_costae thin(?), vestibulum present

Exine

Psilate or scabrate, tectate, infratectum columellate (obscure), exine thickness at the mid-point of the intercolpium <1.0 µm

Remark

A stenopalynous genus

Tentative Pollen Typification

Syzygium type

References (Generic Palynology)

LM of Syzygium densiflorum (S. arnottianum) and S. montanum in Vasanthy, G.(1976); S. gardeneri, S. mundagam and S. occidentale and LM & SEM of S. laetum in Tissot, C., Chikhi, H. & Nayar, T.S. (1994). LM & SEM of S. maire in Moar, N.T. (1993, Pl. 25: figs. 13-16)

Location

Continent

Asia

Country

India

State / Province

Tamil Nadu

County / District

Madurai

Locality

Top Station, Palnis

Ecology and Taxonomy

A large tree in Shola forests at high levels, rarely lower than 1600m. Leaf illustration: Pascal, J-P. & Ramesh, B.R. (1987), fig. 290. Generic description and specific key (S. arnottianum Walp.) in Flora of Madras: pp. 336 - 338 (Gamble, J.S., 1967)

Distribution of Species

Western Ghats: Nilgiris, Anamalais, Palnis and Travancore hills, at high levels, rarely lower than 1520m, from South Kanara to Travancore. Map: Ramesh, B.R. & Pascal, J-P. (1997): Plate N°- 266

Distribution of Genus

500 spp., Palaeotrop. (Willis, J.C., 1988). Keys and distribution data for 21 species in Flora of Madras: pp. 336-341 (Gamble, J.S., 1967)

Reuse

License

cc-by-ncCC BY-NC 4.0

Cite as

Syzygium densiflorum Wall. & Arn., in Digital Collections, Institut Français de Pondichéry, Pollen Slides, consulted on April, 5th 2025, https://digitalcollections.ifpindia.org/s/ecological-specimens/item/461870