Walsura trifolia (A. Juss.) Harms
Metadata
Description
SEM - Subequatorial view with a colporus showing micro-perforate exine and micro-granular colpal membrane
Pollen Slide N°
IFP 21837
Code
walstrif
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with a colporus; note the micro-perforate exine and lolongate os
Pollen Slide N°
IFP 21837
Code
walstrif
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optically sectioned exine of Fig. 2
Pollen Slide N°
IFP 21837
Code
walstrif
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with an intercolpium at high focus
Pollen Slide N°
IFP 21837
Code
walstrif
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Mid-focus of Fig. 4
Pollen Slide N°
IFP 21837
Code
walstrif
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optical section of Fig. 4
Pollen Slide N°
IFP 21837
Code
walstrif
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with an intercolpium
Pollen Slide N°
IFP 21837
Code
walstrif
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optical section of Fig. 7
Pollen Slide N°
IFP 21837
Code
walstrif
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
SEM: polar view, showing micro-perforate exine
Pollen Slide N°
IFP 21837
Code
walstrif
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view: at high focus
Pollen Slide N°
IFP 21837
Code
walstrif
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optical section of Fig. 10
Pollen Slide N°
IFP 21837
Code
walstrif
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optical section of a 4- colporate grain in polar view
Pollen Slide N°
IFP 21837
Code
walstrif
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Synonyms
Walsura piscidia Roxb.
Key
pollen_000127
Collection Object
Basis of Record
Preserved specimen
Recorded By
Event Date
1985-11-30
Catalog Number
Record Number
HIFP BRR1314
Collection Code
PIFP
Institution Code
IFP
Code
walstrif
Pollen Slide N°
Pollen Slide N°: IFP 21837
Determination
Family
Genus
Specific Epithet
Scientific Name
Scientific Name Authorship
Genus Authorship
Roxb.
Morphology
Symmetry and Form
Monad, radial_symmetry, isopolar, 4-(5-) stephanocolporate, elliptic to circular in equatorial_view; subquadrangular (angulaperturate) in polar_view
Dimensions
Polar_Axis = 44-64 µm; Equatorial_Axis = 38-50 µm
Apertures
Four stephanocolpora (seldom five); Colpus elliptic, aperture_membrane scabrate, colpus apex acute, distance between the adjacent colpal apices 15.0-17.0 µm, margo undifferentiated, costae_colpi present; Os: circular or oval, lateral ends curved, lalongate, oral_costae present
Exine
Psilate with micropits (micro-foveoloid), tectate, infratectum columellate, exine thickness: at poles ±2.5 µm, at the mid-point of the intercolpium ±1.5 µm
Remark
A stenopalynous genus
Tentative Pollen Typification
Walsura trifolia type
References (Generic Palynology)
LM & SEM of Walsura trifoila in Tissot, C., Chikhi, H. & Nayar, T.S. (1994)
Location
Continent
Country
State / Province
County / District
Locality
Uppangala
Ecology and Taxonomy
A moderate-sized tree of hilly regions and also in dry evergreen forests especially near the coast. Leaf illustration: Pascal, J-P. & Ramesh, B.R. (1987), fig. 263. Generic and specific descriptions in Flora of Madras: pp. 130 & 131 (Gamble, J.S., 1967)
Distribution of Species
Northern Circars and Carnatic, in dry evergreen forests especially near the coast, as at Vizagapatam, Sriharikota in Nellore, Pulicat and Western Ghats, in the Anaimalais, Palnis and Travancore
Distribution of Genus
30-40 spp., Himal. & Sri Lanka to South China, Andamans, Indochina, W. Malaysia, Celebes (Willis, J.C., 1988). Distribution data for 1 species in Flora of Madras: pp. 130 & 131 (Gamble, J.S., 1967)
Reuse
License
Cite as
Walsura trifolia (A. Juss.) Harms,
in Digital Collections, Institut Français de Pondichéry,
Pollen Slides,
consulted on February, 5th 2025, https://ifp.inist.fr/s/ecological-specimens/item/461881