Polyalthia fragrans (Dalz.) Bedd.

Metadata

Description

An inaperturate verrucate pollen in low focus

Pollen Slide N°

IFP 12375

Code

polyfrag

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

Metadata

Description

A broken pollen showing verrucae in different foci

Pollen Slide N°

IFP 12375

Code

polyfrag

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 12375

Code

polyfrag

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

Metadata

Description

Another partly ruptured inaperturate pollen

Pollen Slide N°

IFP 12375

Code

polyfrag

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

Metadata

Description

An inaperturate verrucate pollen with folded parts of exine

Pollen Slide N°

IFP 12375

Code

polyfrag

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

Metadata

Description

Focus 2 of Fig. 5

Pollen Slide N°

IFP 12375

Code

polyfrag

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

Metadata

Description

An inaperturate verrucate pollen with partly sunken surface

Pollen Slide N°

IFP 12375

Code

polyfrag

Type

Still image

Creator

IFP Team

Creation Date

[s.d.]

Publisher

Institut français de Pondichéry

License

Family

Genus

Key

pollen_000102

Collection Object

Basis of Record

Preserved specimen

Recorded By

Record Number

Hooper and Saldanha, C.J.-2544

Collection Code

PIFP

Institution Code

IFP

Source Herbarium

JCB

Code

polyfrag

Pollen Slide N°

Pollen Slide N°: IFP 12375

Determination

Family

Genus

Specific Epithet

Scientific Name Authorship

Genus Authorship

Blume

Morphology

Symmetry and Form

Monad, spherical_to_spheroidal symmetry, apolar, inaperturate (omniaperturate)

Dimensions

Diameter = 34-43 µm

Apertures

Inaperturate (no ectexinal apertural markings) or omniaperturate (uniformly patterned exine and intine underlain by a thick onciform_zone)

Exine

Verrucate sculpture (1.0x1.0-1.5 µm), intectate (infratectal elements indistinct), Inter-verrucae exine thickness <1.0 µm

Remark

A eurypalynous genus exhibiting structural variation among its species [Le Thomas, A. (1980): Diagram 6)]

Tentative Pollen Typification

Polyalthia type X

References (Generic Palynology)

LM of Polyalthia fragrans in Tissot, C., Chikhi, H. & Nayar, T.S. (1994): SEM of Polyalthia glauca (Walker, J.W., 1971) and TEM of P. capuromii (3-layered exine: tectum, columellae and foot-layer) in Le Thomas, A. & Lugardon, B. (1976) and of P. stuhlmannii (non-columellate with a continuous tectum) in Le Thomas, A. (1980: Diagram 6)

Location

Continent

Country

State / Province

County / District

Locality

Shiradi

Ecology and Taxonomy

A tall, handsome straight tree, up to 1300m. Common. Wood used for the masts of native craft. Leaf illustration: Pascal, J-P. & Ramesh, B.R. (1987), fig. 28. Generic description and specific key in Flora of Madras: p. 11 (Gamble, J.S., 1967)

Distribution of Species

Western Peninsular India; Western Ghats: from North Kanara southwards. Endemic to Western Ghats. Map: Ramesh, B.R. & Pascal, J-P. (1997): Plate N°- 30

Distribution of Genus

120 spp., Palaeotropics especially Indomal. (Willis, J.C., 1988). Keys and distribution data for 7 species in Flora of Madras: pp. 11 & 12 (Gamble, J.S., 1967)

Reuse

License

Cite as

Polyalthia fragrans (Dalz.) Bedd., in Digital Collections, Institut Français de Pondichéry, Pollen Slides, consulted on April, 5th 2025, https://digitalcollections.ifpindia.org/s/ecological-specimens/item/461856