Illustrations:
Key: scale bar 10 microns; after the species and collection number, A = acetolysed, N = non-acetolysed, H = honey; aspect PO = polar view, EQ = equatorial view; focus OS = optical section, SV = surface, AP = aperture
 Crataegus monogyna, NZGS4677 A: EQ, AP |
 Crataegus monogyna, NZGS4677 A: PO, OS |
 Crataegus monogyna, NZGS4677 A: PO, SV |
 Crataegus monogyna, NZGS4677 A: PO, SV |
 Crataegus monogyna, NZGS4677 A: EQ, AP |
 Crataegus monogyna, NZGS4677 A: EQ, OS |
 Crataegus monogyna, NZGS4677 A: EQ, AP |
 Crataegus monogyna, NZGS4677 N: PO, OS |
 Crataegus monogyna, NZGS4677 N: EQ, OS |
 Crataegus monogyna, NZGS4677 N: EQ, AP |
IGNS collection number: NZGS4677.
Botanical classification: Class Magnoliopsida; Order Rosales; Family Rosaceae.
Common name: Hawthorn.
Pollen type: Crataegus type.
Comparison remarks: Distinction of Rosaceae pollen types is difficult, and our coding is subject to revision.
Morphology (unacetolysed pollen): Size class: medium (30-50 μm). Shape in equatorial view: flattened oval (oblate). Shape in polar view: triangular/rounded triangular. Aperture numbers: 3. Aperture type: furrows with pores. Surface pattern: smooth or indefinite. Exine section: thin to medium (no rods visible).
Bee pollen pellet colour: Brown or beige to green (Kirk 2006).
Cite this publication as: "J.I. Raine, X. Li, L. Newstrom-Lloyd (2022).
New Zealand bee pollen catalogue. "
© GNS Science, 2022
(P.O.
Box 30368 Lower Hutt, New Zealand)