Browse Items (12 total)

quercus sp. 10 starch from seed.png
Shape: ovoid starch grains
Surface: smooth
Outer wall: single
Hilum: semi-eccentric
Extinction cross: bent arms
Lamellae: absent
Fissures: small longitudinal natural fissure

Plant part: nut

Supporting literature:
Weber, S. and Price,…

Hordeum vulgare starch 4c.png
Shape: Lenticular - Circular/sub-circular in plan view, biconvex in side view.
Surface: smooth, sometimes with very faint dimples. Surface facets may be present, or a slight indentation at the hilum.
Outer wall: single
Hilum: centric &…

avena_sativa_starch_01a.jpg
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…

cicer_starch_40x_1a.jpg
Shape: ovoid / spherical starch grains (non-lenticular). Some forms were almost reniform.
Size: ~12 - 15 microns in this sample.
Surface: smooth
Outer wall: single
Hilum: centric / semi-eccentric
Extinction cross: bilaterally symmetrical, with…

lens_culin_starch_40x_3a.jpg
Shape: ovoid and sometimes kidney shaped/reniform (non-lenticular)
Surface: smooth - wrinkled
Outer wall: single
Hilum: centric
Extinction cross: bilaterally symmetrical and often diffuse (Henry et al. 2009: Table 2).
Lamellae:…

p_sativum_40x_starch_02a.jpg
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…

typha_lat_starch_40x_2a.jpg
Shape: ovoid/spherical (non-lenticular).
Surface: smooth-rugose
Outer wall: single
Hilum: centric - semi-eccentric
Extinction cross: bowed X shape cross.
Lamellae: absent
Fissures: often present (centric y shape)
Size: within this sample ~6…

v_faba_windsor_broad_40x_starch_1a.jpg
Shape: ovaoid / ellipsoid starch grains (non-lenticular).
Surface: smooth-wrinkled
Outer wall: single
Hilum: centric
Extinction cross: bold, often with more than 4 arms
Lamellae: absent (rarely visible)
Fissures: present - often longitudinal …

t_mono_40x_starch_2a.jpg
Shape: lenticular - circular/sub-circular in plan view, biconvex in side view.
Surface: smooth
Outer wall: single
Hilum: centric, closed
Extinction cross: radially symmetrical
Lamellae: faint
Fissures: absent
Plant part: grain

Supporting…

Zea_mays_Haud_white_dried_40x_starch_5a.jpg
Shape: polygonal and spheroid (transitory)
Surface: rugose
Outer wall: double
Hilum: centric, often open
Extinction cross: well defined, arms are straight or slightly bent (reflecting uneven surface)
Lamellae: absent
Fissures: present -…
Output Formats

atom, dcmes-xml, json, omeka-xml, rss2