Agrostistachys meeboldii Pax & Hoffm.
Metadata
Description
SEM - Equatorial view: note the opposing smooth colpal margins (thinned margo) that are broadened above the oral part (cf. Fig. 8) apparently forming a bridge due to the infolded colpus
Pollen Slide N°
IFP 21757
Code
agromeeb
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view: analysis of colporate apertures and optical section of exine (Figs. 2-3)
Pollen Slide N°
IFP 21757
Code
agromeeb
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view: analysis of colporate apertures and optical section of exine (Figs. 2-3)
Pollen Slide N°
IFP 21757
Code
agromeeb
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optical section of Fig. 2
Pollen Slide N°
IFP 21757
Code
agromeeb
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view: analysis of intercolpial exine surface (Figs. 5-6)
Pollen Slide N°
IFP 21757
Code
agromeeb
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view: analysis of intercolpial exine surface (Figs. 5-6)
Pollen Slide N°
IFP 21757
Code
agromeeb
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 21757
Code
agromeeb
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
SEM - Polar view: note the opposing smooth colpal margins (thinned margo) that are broadened above the oral part (cf. Fig. 1)
Pollen Slide N°
IFP 21757
Code
agromeeb
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view: reticulum at low focus
Pollen Slide N°
IFP 21757
Code
agromeeb
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Optical section of exine of Fig. 9
Pollen Slide N°
IFP 21757
Code
agromeeb
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Family
Genus
Key
pollen_000005
Collection Object
Basis of Record
Preserved specimen
Recorded By
Catalog Number
Record Number
HIFP FB0050
Collection Code
PIFP
Institution Code
IFP
Code
agromeeb
Pollen Slide N°
Pollen Slide N°: IFP 21757
Determination
Family
Genus
Specific Epithet
Scientific Name
Scientific Name Authorship
Genus Authorship
Dalz.
Morphology
Symmetry and Form
Monad, radial_symmetry, isopolar, 3-colporate; spheroidal to elliptic in equatorial_view; (sub)circular in polar_view
Dimensions
Polar_Axis = 28-35 µm; Equatorial_Axis = 27-32 µm
Apertures
Three colpora, Colpus: elliptic, intruding, colpus apex acute, aperture_membrane psilate, distance between the adjacent colpal apices 7-9 µm, margo psilate (thinning of ectexine), costae_colpi present; Os: broad (5-7 µm) extending equatorially with diffuse(?) lateral ends, lalongate, oral_costae present
Exine
Medium_reticulate, tectate, mur <1.0 µm, lumina 1.0-2.0 µm, infratectum distinctly simplicolumellate, exine thickness: at poles ±2.5 µm; at the mid-point of the intercolpium ±2.0 µm
Remark
A stenopalynous genus. A. indica and A. sessilifolia are classified under Speranskia type [Punt, W. (1962)]
Tentative Pollen Typification
Agrostistachys type
References (Generic Palynology)
LM (micrographs) & SEM (micrographs) of A. meeboldii and LM (micrographs) of A. indica in Tissot, C., Chikhi, H. & Nayar, T.S. (1994)
Location
Continent
Country
State / Province
County / District
Locality
High Wavys Estate
Ecology and Taxonomy
A small tree, from 600 to 1500m. Leaf illustration: Pascal, J-P. & Ramesh, B.R. (1987), fig. 123. Generic description and specific key in Flora of Madras: p. 921 (Gamble, J.S., 1967)
Distribution of Species
Western Peninsular India; Western Ghats: in Wayanad, Anaimalai, Travancore and Tirunelveli hills. Endemic to Western Ghats. Common in southern districts
Distribution of Genus
8-9 spp., India & Sri Lanka to West Malaysia (Willis, J.C., 1988). Keys and distribution data for 2 species in Flora of Madras: pp. 921 & 922 (Gamble, J.S., 1967)
Reuse
License
Cite as
Agrostistachys meeboldii Pax & Hoffm.,
in Digital Collections, Institut Français de Pondichéry,
Pollen Slides,
consulted on February, 5th 2025, https://ifp.inist.fr/s/ecological-specimens/item/461759