Pisum sativum (Pea)

Dublin Core

Title

Pisum sativum (Pea)

Subject

Starch grains viewed under 400x magnification (cross-polarized and transmitted light)

Description

Shape: ovoid and/or elongated, non-lenticular starch grains.
Surface: wrinkled
Outer wall: single
Hilum: centric
Extinction cross: central, "often elongated on the same axis as the fissure" (Henry et al. 2009: Table 2)
Lamellae: sometimes visible (med-large grains),
Fissures: central (mesial longitudinal cleft fissure)
Size: within this sample grains were ~15 - 18 microns.
Plant part: seed

Supporting literature:
Henry, A.G., Hudson, H.F., and Piperno, D.R. 2009. Changes in starch grain morphologies from cooking. Journal of Archaeological Science 36:914–922.

Source

MPERF - modern sample

Creator

S. Prado

Date

Processed January 7 2022

Type

Starch Grain

Identifier

Starch Grain

Files

p_sativum_40x_starch_02a.jpg
p_sativum_40x_starch_02b.jpg
p_sativum_40x_starch_03a.jpg
p_sativum_40x_starch_03b.jpg

Collection

Citation

S. Prado, “Pisum sativum (Pea),” McMaster Microbotanical Research Database, accessed October 3, 2022, https://macmicrobot.omeka.net/items/show/16.