Mallotus stenanthus Muell.Arg
Metadata
Description
SEM, equatorial view: note the sculptured extra-apertural regions and colpus membrane
Pollen Slide N°
IFP 11467
Code
mallsten
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with a colporus, in high focus
Pollen Slide N°
IFP 11467
Code
mallsten
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with a colporus
Pollen Slide N°
IFP 11467
Code
mallsten
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view: note the irregular lateral ends of os
Pollen Slide N°
IFP 11467
Code
mallsten
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with an intercolpium: optical section
Pollen Slide N°
IFP 11467
Code
mallsten
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
Pollen Slide N°
IFP 11467
Code
mallsten
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optical section of Fig. 6
Pollen Slide N°
IFP 11467
Code
mallsten
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view of 2 grains; left one with a colporus and right one with an intercolpium; in high focus
Pollen Slide N°
IFP 11467
Code
mallsten
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optical sections of grains in Fig. 8
Pollen Slide N°
IFP 11467
Code
mallsten
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
SEM - Polar view: note the sculptured colpus membrane and extra-apertural regions
Pollen Slide N°
IFP 11467
Code
mallsten
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view: surface in high focus
Pollen Slide N°
IFP 11467
Code
mallsten
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view: exine in low focus
Pollen Slide N°
IFP 11467
Code
mallsten
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view: partly in optical section
Pollen Slide N°
IFP 11467
Code
mallsten
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Family
Genus
Key
pollen_000082
Collection Object
Basis of Record
Preserved specimen
Recorded By
Collection Code
PIFP
Institution Code
IFP
Code
mallsten
Pollen Slide N°
Pollen Slide N°: IFP 11467
Determination
Family
Genus
Specific Epithet
Scientific Name
Scientific Name Authorship
Genus Authorship
Lour.
Morphology
Symmetry and Form
Monad, radial_symmetry, isopolar, 3-(4) colporate; spheroidal ( E > P ) in equatorial_view; (sub)circular in polar_view
Dimensions
Polar_Axis = 18-26 µm; Equatorial_Axis = 20-29 µm
Apertures
Three to four colpora; stephanocolpora, colpus elliptic, colpus apex acute, aperture_membrane psilate, distance between the adjacent colpal apices 10.0-12.0 µm, margo undifferentiated, costae_colpi present; Os: elliptic with irregular lateral ends, lalongate, oral_costae present
Exine
Scabrate (micro-spinulate under SEM), tectate, infratectum columellate, exine thickness at the mid-point of the intercolpium ±1.5 µm
Remark
A stenopalynous genus [Tissot, C., Chikhi, H. & Nayar, T.S. (1994)]; Mallotus configuration in Punt, W. (1962: p.77)
Tentative Pollen Typification
Mallotus type
References (Generic Palynology)
Mallotus configuration and Mallotus type in Punt, W. (1962). LM of M. beddomei, M. distans and M. phillipensis and LM & SEM of M. stenanthus in Tissot, C., Chikhi, H. & Nayar, T.S. (1994)
Location
Continent
Country
State / Province
County / District
Ecology and Taxonomy
A small tree in the deciduous and evergreen forests up to 1200m. Leaf illustration: Pascal, J-P. & Ramesh, B.R. (1987), fig. 157. Generic description and specific key in Flora of Madras: pp. 923 & 924 (Gamble, J.S., 1967)
Distribution of Species
Western Peninsular India. Western Ghats: from Konkan southwards. Endemic to Western Ghats. Map: Ramesh, B.R. & Pascal, J-P. (1997): Plate N°- 143
Distribution of Genus
2 spp., Tropical Africa and Madagascar; 140 spp., East and Southeast Asia, Indomal. to New Caledonia & Fiji, North and East Australia (Willis, J.C., 1988). Keys and distribution data for 10 species in Flora of Madra: pp. 923-925 (Gamble, J.S., 1967)
Reuse
License
Cite as
Mallotus stenanthus Muell.Arg,
in Digital Collections, Institut Français de Pondichéry,
Pollen Slides,
consulted on February, 5th 2025, https://ifp.inist.fr/s/ecological-specimens/item/461836