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
 Ranunculus sp., NZGS4774 A: PO, OS |
 Ranunculus sp., NZGS4774 A: PO, OS |
 Ranunculus sp., NZGS4774 A: PO, SV |
 Ranunculus sp., NZGS4774 A: EQ, AP |
 Ranunculus sp., NZGS4774 A: EQ, OS |
 Ranunculus sp., NZGS4774 A: EQ, SV |
 Ranunculus sp., NZGS4774 N: EQ, OS |
 Ranunculus sp., NZGS4774 N: EQ, SV |
 Ranunculus sp., NZGS4774 N: PO, OS |
 Ranunculus sp., NZGS4774 N: PO, SV |
 Ranunculus sp., NZGS4775 A: OS |
 Ranunculus sp., NZGS4775 A: SU |
 Ranunculus sp., NZGS4775 A: OS |
 Ranunculus sp., NZGS4775 A: AP |
 Ranunculus sp., NZGS4775 A: PO, OS |
 Ranunculus sp., NZGS4775 N: EQ, AP |
 Ranunculus sp., NZGS4775 N: EQ, OS |
 Ranunculus sp., NZGS4775 N: PO, OS |
 Ranunculus sp., NZGS4775 N: PO, SV |
 Ranunculus sp., NZGS4775 N: AP |
IGNS collection number: NZGS4774, NZGS4775.
Botanical classification: Class Magnoliopsida; Order Ranunculales; Family Ranunculaceae.
Common name: Buttercups.
Pollen type: Ranunculaceae.
Comparison remarks: Furrows either 3 meridionally arranged (tricolpate), or a greater number arranged in a net over the whole grain (pericolpate). A distinctive feature of Ranunculus pollen is the tiny spinules, around each of which the exine has an "areole" lacking rods (columellae).
Morphology (unacetolysed pollen): Size class: small (20-30 μm), or medium (30-50 μm). Shape in equatorial view: round or irregularly round. Shape in polar view: round. Aperture numbers: 3, or 4-6. Aperture type: furrows only. Surface pattern: granular, or isolated dots due to spines or other projections. Exine section: with layer of close, thin rods and with very small spines or projections (<1 µm). Other structural features: granules or projections scattered on apertures and cell contents granular.
Bee pollen pellet colour: Yellow.
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)