Isonandra lanceolata Wight
Metadata
Description
Equatorial view with a colporus showing a narrow (linear) colpus with a lolongate os and scabrous exine surface
Pollen Slide N°
IFP 21897
Code
isonlanc
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view in optical section showing apertural characters
Pollen Slide N°
IFP 21897
Code
isonlanc
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with an intercolpium in optical section showing two apertures in profile
Pollen Slide N°
IFP 21897
Code
isonlanc
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with a colporus and part of the intercolpium in optical section
Pollen Slide N°
IFP 21897
Code
isonlanc
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Family
Genus
Key
pollen_000071
Collection Object
Basis of Record
Preserved specimen
Recorded By
Collection Code
PIFP
Institution Code
IFP
Code
isonlanc
Pollen Slide N°
Pollen Slide N°: IFP 21897
Determination
Family
Genus
Specific Epithet
Scientific Name
Scientific Name Authorship
Genus Authorship
Wight.
Morphology
Symmetry and Form
Monad, radial_symmetry, isopolar, 4-stephanocolporate, elliptic in equatorial_view, quadrangular (angulaperturate) in polar_view
Dimensions
Polar_Axis = 37-45 µm; Equatorial_Axis = 26-33 µm
Apertures
Four colpora, colpus elliptic, colpal apices acute, aperture_membrane psilate, margo undifferentiated, costae_colpi present; Os: elliptic with curved lateral ends, lalongate, oral_costae present
Exine
Scabrate, tectate, infratectum columellate, exine thickness at poles ±2.0 µm
Remark
A stenopalynous genus
Tentative Pollen Typification
Isonandra type. 12 types and 49 subtypes of Sapotaceae in Harley, M.M. (1991)
References (Generic Palynology)
LM of Isonandra lanceolata in Tissot, C., Chikhi, H. & Nayar, T.S. (1994); SEM of Isonandra in Harley, M.M. (1991)
Location
Continent
Country
State / Province
County / District
Locality
Mancholai
Ecology and Taxonomy
A small tree up to 1300m. Common. Leaf illustration: Pascal, J-P. & Ramesh, B.R. (1987), fig. 368. Generic description and specific key in Flora of Madras: pp. 534 & 535 (Gamble, J.S., 1967)
Distribution of Species
Westtern Peninsular India and Sri Lanka. Western Ghats: in all districts from Wayanad southwards
Distribution of Genus
10 spp., South India, Sri Lanka, Malay Peninsula, Borneo (Willis, J.C., 1988). Keys and distribution data for 6 species in Flora of Madras: pp.534 & 535 (Gamble, J.S., 1967)
Reuse
License
Cite as
Isonandra lanceolata Wight,
in Digital Collections, Institut Français de Pondichéry,
Pollen Slides,
consulted on April, 5th 2025, https://digitalcollections.ifpindia.org/s/ecological-specimens/item/461825