Avena sativa (Oat)

Dublin Core

Title

Avena sativa (Oat)

Subject

Starch grains viewed at 630x magnification (transmitted light and cross-polarized light [CPL])

Description

Shape: Faceted Lenticular - angular/circular in plan view, biconvex in side view.
Surface: smooth
Outer wall: single
Hilum: centric
Extinction cross: radially symmetrical, bold
Lamellae: absent
Fissures: absent
Plant part: grain

Diagnostic features: faceted lenticular starch grains, approximately 5 microns in size with clear extinction crosses, centric hilum.

Source

MPERF - modern sample

Creator

S. Prado

Date

Processed January 7 2022

Type

Starch grain

Identifier

Starch grain

Files

avena_sativa_starch_01a.jpg
avena_sativa_starch_63x_01b.jpg
avena_sativa_starch_63x_04a_good.jpg
avena_sativa_starch_63x_04b.jpg

Collection

Citation

S. Prado, “Avena sativa (Oat),” McMaster Microbotanical Research Database, accessed October 3, 2022, https://macmicrobot.omeka.net/items/show/13.