Pajanelia longifolia Schum.
Metadata
Description
Equatorial view showing 3- colpate apertures and medium reticulate exine surface.
Pollen Slide N°
IFP 21867 / IFP 16521
Code
pajalong
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Mid-focus of Fig. 1.
Pollen Slide N°
IFP 21867 / IFP 16521
Code
pajalong
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Low focus of Fig. 1.
Pollen Slide N°
IFP 21867 / IFP 16521
Code
pajalong
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optical section of Fig. 1.
Pollen Slide N°
IFP 21867 / IFP 16521
Code
pajalong
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optical section of Fig. 1, partly in deep focus.
Pollen Slide N°
IFP 21867 / IFP 16521
Code
pajalong
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view (sub-triangular): note the smaller meshes of polar area and para-colpia and obtuse colpal apices, and the irregularly ruptured aperture membranes.
Pollen Slide N°
IFP 21867 / IFP 16521
Code
pajalong
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 21867 / IFP 16521
Code
pajalong
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 21867 / IFP 16521
Code
pajalong
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Family
Genus
Synonyms
Pajanelia rheedii Wight
Key
pollen_144
Collection Object
Basis of Record
Preserved specimen
Record Number
Saldanha, C.J.-16030 (Pollen Slide N°: IFP 21867)
s.n. (Pollen Slide N°: IFP 16521)
Collection Code
PIFP
Institution Code
IFP
Code
pajalong
Pollen Slide N°
Pollen Slide N°: IFP 21867
Pollen Slide N°: IFP 16521
Determination
Family
Genus
Specific Epithet
Scientific Name
Scientific Name Authorship
Genus Authorship
DC.
Morphology
Symmetry and Form
Monad, radial_symmetry, isopolar, 3-colpate, elliptic in equatorial_view, circular in polar_view.
Dimensions
Polar_Axis = 50-58 µm; Equatorial_Axis = 37-47 µm.
Apertures
Three colpi; Colpus: elliptic and long, colpus apex obtuse, distance between the adjacent colpal apices 8-9 µm, margo diffuse with microreticulum (lumina ≤0.5 µm), aperture_membrane psilate, costae_colpi thin or absent.
Exine
Medium_reticulate, mur ±0.5 µm, lumina <2.0 µm, micro-reticulate in the para-apertural and polar regions (lumina ≥0.5 µm), tectate, infratectum columellate, exine thickness at the mid-point of the intercolpium ±2.5 µm.
Remark
A monospecific genus.
Tentative Pollen Typification
Pajanelia longifolia type.
References (Generic Palynology)
LM of Pajanelia longifolia in Tissot, C., Chikhi, H. & Nayar, T.S. (1994); classified as Dolichandrone type in Buurmann, J. (1977).
Location
Continent
Country
County / District
Locality
Bisle Ghats (Pollen Slide N°: IFP 21867)
s.l. (Pollen Slide N°: IFP 16521)
Ecology and Taxonomy
A tall deciduous tree up to 700m. Common. Leaf illustration: Pascal, J-P. & Ramesh, B.R. (1987), fig. 48. Generic and specific (P. rheedii Wight) descriptions in Flora of Madras: pp. 702 & 703 (Gamble, J.S., 1967).
Distribution of Species
India, Burma; Western Ghats: South Kanara to Travancore.
Distribution of Genus
1 sp., Indomal. (Willis, J.C., 1988). Distribution data for 1 species in Flora of Madras: pp. 702 & 703 (Gamble, J.S., 1967).
Reuse
License
Cite as
Pajanelia longifolia Schum.,
in Digital Collections, Institut Français de Pondichéry,
Pollen Slides,
consulted on April, 3rd 2025, https://digitalcollections.ifpindia.org/s/ecological-specimens/item/461898