Celtis tetrandra Roxb.
Metadata
Description
Equatorial view: pore and granular exine in two foci (Figs. 1-2).
Pollen Slide N°
IFP 859 / IFP 15205
Code
celttetr
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view: pore and granular exine in two foci (Figs. 1-2).
Pollen Slide N°
IFP 859 / IFP 15205
Code
celttetr
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Slightly oblique polar view: surface sculpture in high focus (peripheral) and low (central part) and part of the same grain in optical section (Figs. 3-4).
Pollen Slide N°
IFP 859 / IFP 15205
Code
celttetr
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Slightly oblique polar view: surface sculpture in high focus (peripheral) and low (central part) and part of the same grain in optical section (Figs. 3-4).
Pollen Slide N°
IFP 859 / IFP 15205
Code
celttetr
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Key
pollen_135
Collection Object
Basis of Record
Preserved specimen
Recorded By
Event Date
s.d. (Pollen Slide N°: IFP 859 (card missing))
1970-02-04 (Pollen Slide N°: IFP 15205)
Record Number
s.n. (Pollen Slide N°: IFP 859 (card missing))
Saldanha, C.J.-16173 (Pollen Slide N°: IFP 15205)
Collection Code
PIFP
Institution Code
IFP
Code
celttetr
Pollen Slide N°
Pollen Slide N°: IFP 859 (card missing)
Pollen Slide N°: IFP 15205
Determination
Family
Genus
Specific Epithet
Scientific Name
Scientific Name Authorship
Genus Authorship
L.
Morphology
Symmetry and Form
Monad, radial_symmetry, isopolar, 3-porate; spherical_to_spheroidal in different views.
Dimensions
Polar_Axis = Equatorial_Axis = 21-30 µm.
Apertures
Three pori; Porus: circular, (d= ±3.0 µm) or elliptic 4x3 µm, annulus present, aperture_membrane scabrate or granular, operculate(?), interporal distance ±20.0 µm, poral_costae present(?).
Exine
Granular or microverrucate [micro-processes verrucate or gemmate- Lieux, 1980], tectate, infratectum columellate, exine thickness ±1.0-1.5 µm.
Remark
A stenopalynous genus.
Tentative Pollen Typification
Celtis type.
References (Generic Palynology)
Palynogram of Celtis iguanea in Erdtman, G. (1952, fig. 252: C); LM & SEM (micrographs) of Celtis integrifolia and C. zenkeri in Bonnefille, R. & Riollet, G. (1980); SEM (micrographs) in Chen, S-H. (1988, fig. 13E-G); SEM (micrographs) of C. gomphophylla in Straka, H. & Friederich, B. (1984); LM & SEM (micrographs) of C. laevigata (micro-processes: verrucate or gemmate) in Lieux, M.H. (1980).
Location
Continent
Country
State / Province
County / District
Locality
s.l. (Pollen Slide N°: IFP 859 (card missing))
Yettinahalla, Shiradi Ghat (Pollen Slide N°: IFP 15205)
Ecology and Taxonomy
A handsome medium-sized forest tree (The Nilgiri Elm) from 760 to 2300m. Leaf illustration: Pascal, J-P. & Ramesh, B.R. (1987), fig. 392. Generic description and specific key in Flora of Madras: pp. 943 & 944 (Gamble, J.S., 1967).
Distribution of Species
All forest districts, from 760 to 2300m.
Distribution of Genus
80 spp., Northern hemisphere, South Africa (Willis, J.C., 1988). Keys and distribution data for 3 species in Flora of Madras: pp. 943 & 944 (Gamble, J.S., 1967).
Reuse
License
Cite as
Celtis tetrandra Roxb.,
in Digital Collections, Institut Français de Pondichéry,
Pollen Slides,
consulted on April, 3rd 2025, https://digitalcollections.ifpindia.org/s/ecological-specimens/item/461889