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
 Echium vulgare, NZGS4686 A: PO, OS |
 Echium vulgare, NZGS4686 A: PO, SV |
 Echium vulgare, NZGS4686 A: EQ, OS |
 Echium vulgare, NZGS4686 A: EQ, AP |
 Echium vulgare, NZGS4686 A: EQ, AP |
 Echium vulgare, NZGS4686 N: EQ, OS |
 Echium vulgare, NZGS4686 N: PO, OS |
IGNS collection number: NZGS4686.
Botanical classification: Class Magnoliopsida; Order Boraginales; Family Boraginaceae.
Common name: Viper's bugloss.
Pollen type: Echium.
Comparison remarks: Pollen distinctively "fatter" at one pole, i.e. pear-shaped. Other Echium species have similar pollen.
Morphology (unacetolysed pollen): Size class: very small (<20 μm). Shape in equatorial view: elongate (prolate) and different at each pole. Shape in polar view: round, or 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: Blue to black (Sawyer 1981).
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)