Euonymus indicus Heyne
Metadata
Description
Equatorial view: note the reticulate exine, the elliptic colpus and circular os
Pollen Slide N°
IFP 12410
Code
euonindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Focus 2 of Fig. 1 showing colporate aperture and pereapertural thinning
Pollen Slide N°
IFP 12410
Code
euonindi
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 12410
Code
euonindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with a colporate aperture and intercolpium in focus 2
Pollen Slide N°
IFP 12410
Code
euonindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with a colporate aperture and intercolpium in successive foci: note the LO analysis of reticulate exine (Figs. 5-7)
Pollen Slide N°
IFP 12410
Code
euonindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with a colporate aperture and intercolpium in successive foci: note the LO analysis of reticulate exine (Figs. 5-7)
Pollen Slide N°
IFP 12410
Code
euonindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Equatorial view with a colporate aperture and intercolpium in successive foci: note the LO analysis of reticulate exine (Figs. 5-7)
Pollen Slide N°
IFP 12410
Code
euonindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view: in successive foci showing broader meshes in the polar area (Figs. 8-10)
Pollen Slide N°
IFP 12410
Code
euonindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view: in successive foci showing broader meshes in the polar area (Figs. 8-10)
Pollen Slide N°
IFP 12410
Code
euonindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Metadata
Description
Polar view: in successive foci showing broader meshes in the polar area (Figs. 8-10)
Pollen Slide N°
IFP 12410
Code
euonindi
Type
Still image
Creator
IFP Team
Creation Date
[s.d.]
Publisher
Institut français de Pondichéry
License
Family
Genus
Key
pollen_000046
Collection Object
Basis of Record
Preserved specimen
Recorded By
Record Number
Saldanha, C.J.-13670
Collection Code
PIFP
Institution Code
IFP
Code
euonindi
Pollen Slide N°
Pollen Slide N°: IFP 12410
Determination
Family
Genus
Specific Epithet
Scientific Name
Scientific Name Authorship
Genus Authorship
L.
Morphology
Symmetry and Form
Monad, radial_symmetry, isopolar, 3-colporate; elliptic ( E > P & E < P ) to spheroidal in equatorial_view; circular to subtriangular in polar_view
Dimensions
Polar_Axis = 25-28 µm; Equatorial_Axis = 28-33 µm
Apertures
Three colpora; Colpus: elliptic, protruding, colpus apex acute, aperture_membrane psilate, distance between the adjacent colpal apices ±10.0 µm, margo undifferentiated (diffuse in SEM of E.americanus in Lieux, M.H. 1983: Pl. C:78), periapertural thinning present, costae_colpi present(?); Os: ovoid to ellipsoidal (6.0x4.5 µm) with curved lateral apices, lalongate, oral_costae present(?)
Exine
Medium_reticulate, tectate, mur <1.0 µm, lumina <1.0-2.0 µm, infratectum columellate, exine thickness at the mid-point of the intercolpium ±2.0 µm
Remark
A stenopalynous genus
Tentative Pollen Typification
Euonymus type
References (Generic Palynology)
LM (micrographs) of Euonymus indicus in Tissot, C., Chikhi, H. & Nayar, T.S. (1994). LM & SEM of E. americanus in Lieux, M.H. (1983). SEM of fractured exine of E. europaens in Lobreau-Callen, D. (1977)
Location
Continent
Country
State / Province
County / District
Locality
Shiradi Ghat
Ecology and Taxonomy
A small tree at about 1000m, rarely at higher elevations. Common. Leaf illustration: Pascal, J-P. & Ramesh, B.R. (1987), fig. 59. Generic description and specific key in Flora of Madras: pp. 145 & 146 (Gamble, J.S., 1967)
Distribution of Species
Western Peninsualr India. Western Ghats: South Kanara, Coorg, Wayanad, Nilgiris southwards. Endemic to Western Ghats. Map: Ramesh, B.R. & Pascal, J-P. (1997): Plate N°- 53
Distribution of Genus
176 spp., Subcosmopolitan with greatest number of species in the Himalaya, China, and Japan (Willis, J.C., 1988). Keys and distribution data for 6 species in Flora of Madras: pp. 145 & 146 (Gamble, J.S., 1967)
Reuse
License
Cite as
Euonymus indicus Heyne,
in Digital Collections, Institut Français de Pondichéry,
Pollen Slides,
consulted on February, 5th 2025, https://ifp.inist.fr/s/ecological-specimens/item/461800