Eugenia thwaitesii Duthie
Metadata
Description
Equatorial view with an intercolpium; faintly areolate surface, apertural profile and optical section (Figs. 1-3)
Pollen Slide N°
IFP 21790
Code
eugethwa
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with an intercolpium; faintly areolate surface, apertural profile and optical section (Figs. 1-3)
Pollen Slide N°
IFP 21790
Code
eugethwa
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with an intercolpium; faintly areolate surface, apertural profile and optical section (Figs. 1-3)
Pollen Slide N°
IFP 21790
Code
eugethwa
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with an intercolpium and a colporus and optical section (Figs. 4-5)
Pollen Slide N°
IFP 21790
Code
eugethwa
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with an intercolpium and a colporus and optical section (Figs. 4-5)
Pollen Slide N°
IFP 21790
Code
eugethwa
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
SEM - Polar view showing the micro-areolate surface
Pollen Slide N°
IFP 21790
Code
eugethwa
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
SEM - Close-up of Fig. 6, showing micro-areolate surface
Pollen Slide N°
IFP 21790
Code
eugethwa
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view showing exine surface in high and low focus
Pollen Slide N°
IFP 21790
Code
eugethwa
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view showing the areolate surface in polar area
Pollen Slide N°
IFP 21790
Code
eugethwa
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Another grain in sub polar view showing the areolate surface
Pollen Slide N°
IFP 21790
Code
eugethwa
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Another grain in polar view: surface and optical section (Figs. 11-12)
Pollen Slide N°
IFP 21790
Code
eugethwa
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Another grain in polar view: surface and optical section (Figs. 11-12)
Pollen Slide N°
IFP 21790
Code
eugethwa
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Synonyms
Eugenia mooniana Wt.
Key
pollen_000045
Collection Object
Basis of Record
Preserved specimen
Recorded By
Event Date
1970-01-26
Catalog Number
Record Number
HIFP FB0064
Collection Code
PIFP
Institution Code
IFP
Code
eugethwa
Pollen Slide N°
Pollen Slide N°: IFP 21790
Determination
Family
Genus
Specific Epithet
Scientific Name
Scientific Name Authorship
Genus Authorship
L.
Morphology
Symmetry and Form
Monad, radial_symmetry, isopolar, 3-colporate, elliptic in equatorial_view, triangular (angulaperturate) in polar_view
Dimensions
Polar_Axis = 10-12 µm; Equatorial_Axis = 20-26 µm
Apertures
Three colpora; Colpus narrow, colpal apices acute, aperture_membrane psilate, distance between the adjacent colpal apices 9-11 µm, margo undifferentiated, costae_colpi thin; Os elliptic, lalongate, oral_costae(?); vestibulum present
Exine
Scabrate or faintly areolate, tectate, infratectum columellate, exine thickness at the mid-point of the intercolpium <1.5 µm
Remark
A stenopalynous genus
Tentative Pollen Typification
Eugenia type
References (Generic Palynology)
LM & SEM (micrographs: cerebelloid surface pattern) of Eugenia thwaitesii in Tissot, C., Chikhi, H. & Nayar, T.S. (1994). SEM of E. scotii (non-syncolpate, areoloid) and E. micropoda (parasyncolpate) in Straka, H. & Friederich, B. (1984)
Location
Continent
Country
State / Province
County / District
Locality
High Wavys
Ecology and Taxonomy
A shrub or small tree up to 1700m. Occasional. Leaf illustration: Pascal, J-P. & Ramesh, B.R. (1987), fig. 287. Generic description and specific key in Flora of Madras: pp. 341 & 342. (Gamble, J.S., 1967)
Distribution of Species
South India and Sri Lanka. Western Ghats: from South Kanara southwards
Distribution of Genus
1000 spp. Trop. & subtrop. (Willis, J.C., 1988). Keys and distribution data for 10 species in Flora of Madras: pp. 341-343 (Gamble, J.S., 1967)
Reuse
License
Cite as
Eugenia thwaitesii Duthie,
in Digital Collections, Institut Français de Pondichéry,
Pollen Slides,
consulted on April, 2nd 2025, https://digitalcollections.ifpindia.org/s/ecological-specimens/item/461799