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
 Cyperus ustulatus, NZGS5034 A: EQ, SV |
 Cyperus ustulatus, NZGS5034 A: EQ, OS |
 Cyperus ustulatus, NZGS5034 A: PO, AP |
 Cyperus ustulatus, NZGS5034 A: PO, OS |
 Cyperus ustulatus, NZGS5034 N: EQ (3 grains) |
IGNS collection number: NZGS5034.
Botanical classification: Class Magnoliopsida; Order Poales; Family Cyperaceae.
Common name: Giant umbrella sedge.
Pollen type: Cyperus type.
Comparison remarks: Pear-shaped, with ragged "pore" at broad end, and 4 "furrows" marked by elongated areas of rougher and thinner exine along length of grain. Pollen of this species is typical of many (but not all) Cyperaceae.
Morphology (unacetolysed pollen): Size class: medium (30-50 μm). Shape in equatorial view: elongate (prolate) and different at each pole. Shape in polar view: multisided/multilobed or irregular. Aperture numbers: 4-6. Aperture type: pores only, or furrows only. Surface pattern: smooth or indefinite. Exine section: with layer of close, thin rods. Other structural features: granules or projections scattered on apertures.
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)