Memecylon angustifolium Wight
Metadata
Description
SEM - equatorial view showing a pseudocolpus and two colporate apertures
Pollen Slide N°
IFP 13488
Code
memeangu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Subequatorial view with a colporus and a pseudocolpus in focus 1
Pollen Slide N°
IFP 13488
Code
memeangu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Focus 2 of Fig. 2
Pollen Slide N°
IFP 13488
Code
memeangu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view: colporus in focus 3
Pollen Slide N°
IFP 13488
Code
memeangu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with a pseudocolpus and two colporate apertures
Pollen Slide N°
IFP 13488
Code
memeangu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optical section of Fig. 5
Pollen Slide N°
IFP 13488
Code
memeangu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Subpolar view: 6- lobed, surface
Pollen Slide N°
IFP 13488
Code
memeangu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optical section of Fig. 8
Pollen Slide N°
IFP 13488
Code
memeangu
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Family
Genus
Key
pollen_000086
Collection Object
Basis of Record
Preserved specimen
Recorded By
Collection Code
PIFP
Institution Code
IFP
Code
memeangu
Pollen Slide N°
Pollen Slide N°: IFP 13488
Determination
Family
Genus
Specific Epithet
Scientific Name
Scientific Name Authorship
Genus Authorship
L.
Morphology
Symmetry and Form
Monad, radial_symmetry, isopolar, 3-colporate and 3-pseudocolpate (”heterocolpate”), elliptic in equatorial_view, 6-lobed in polar_view
Dimensions
Polar_Axis = 14-17 µm; Equatorial_Axis = 10-18 µm
Apertures
Three colpora, alternated with three pseudocolpi, both colpus and pseudocolpus elliptic and long colpus apex acute, distance between the adjacent colpal apices 4.0-5.0 µm, margo undifferentiated, colpal and pseudocolpal membrane psilate, costae_colpi thin or absent(?); Os elliptic with rounded lateral ends, lalongate, oral_costae thin or absent
Exine
Psilate, tectate, infratectum columellate, exine thickness at the mid-point of the lobe (PV) ±1.5 µm
Remark
A stenopalynous genus
Tentative Pollen Typification
Memecylon type
References (Generic Palynology)
LM of M. malabaricum and M. talbotianum; LM & SEM of M. angustifolium in Tissot, C., Chikhi, H. & Nayar, T.S. (1994). SEM of M. thouvenotii and M. roseum in Straka, H. & Friederich, B. (1984)
Location
Continent
Country
State / Province
County / District
Locality
Kempuhole
Ecology and Taxonomy
A tree common in semi-evergreen and occasional in evergreen forests, usually on river banks. Leaf illustration: Pascal, J-P. & Ramesh, B.R. (1987), fig. 235. Generic description and specific key in Flora of Madras: pp. 353-355 (Gamble, J.S., 1967)
Distribution of Species
Peninsular India and Sri Lanka. Western Ghats: Tirunelveli hills
Distribution of Genus
300 spp., Tropical Africa, Asia, Australia, Pacific (Willis, J.C., 1988). Keys and distribution data for 18 species in Flora of Madras: pp. 353-357 (Gamble, J.S., 1967)
Reuse
License
Cite as
Memecylon angustifolium Wight,
in Digital Collections, Institut Français de Pondichéry,
Pollen Slides,
consulted on April, 3rd 2025, https://digitalcollections.ifpindia.org/s/ecological-specimens/item/461840