Browse Items (23 total)
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Quercus sp. (Oak, acorn)
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,…
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,…
Tags: acorn, eccentric, extinction cross, fagaceae, hilum, oak, ovoid, quercus, starch, starch grain
Pisum sativum (Pea)
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…
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…
Tags: extinction cross, lamellae, ovate, pea, pisum, polarized light, sativum, starch, starch grain, wrinkled
Phaseolus coccineus (Scarlet Runner Bean)
Shape: ovoid - ellipsoid / kidney shaped (reniform) starch grains and sphere shaped starch grains (transitory)
Surface: smooth-wrinkled
Outer wall: single
Hilum: centric
Extinction cross: bold, yet distorted medially as both y and x…
Surface: smooth-wrinkled
Outer wall: single
Hilum: centric
Extinction cross: bold, yet distorted medially as both y and x…
Tags: bean, ellipsoid, extinction cross, fissure, kidney shaped, longitudinal, ovoid, phaseolus, reniform, spheroid, starch grain
Lens culinaris (Lentil)
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:…
Surface: smooth - wrinkled
Outer wall: single
Hilum: centric
Extinction cross: bilaterally symmetrical and often diffuse (Henry et al. 2009: Table 2).
Lamellae:…
Hordeum vulgare (var. Bere) (Barley)
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 &…
Surface: smooth, sometimes with very faint dimples. Surface facets may be present, or a slight indentation at the hilum.
Outer wall: single
Hilum: centric &…
Tags: barley, bere, extinction cross, grain, hilum, hordeum, lenticular, starch, vulgare
Hordeum vulgare (var. Bere) (Barley)
Elongate dendritic long cells (multi-cellular articulated) - Diagnostic
Plant part: cereal inflorescence
Plant part: cereal inflorescence
Tags: articulated, bere, dendritic, diagnostic, elongate, epidermal, hordeum, modern, multicellular, phytolith, sheet, skeleton, vulgare
Equisetum fluviatile (Water Horsetail)
Articulated epidermal and stomata cells.
Stomata and epidermal cells are diagnostic at the genus level (Equisetum). Epidermal cells feature "granulate surfaces and elevated projections along the edges" (Morris et al. 2009: 346; Piperno…
Stomata and epidermal cells are diagnostic at the genus level (Equisetum). Epidermal cells feature "granulate surfaces and elevated projections along the edges" (Morris et al. 2009: 346; Piperno…