Actaea spicata
Taxonomy: Angiospermae, Ranunculales, Ranunculaceae, Actaea
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Actaea-spicata.htm
Published: 2020-11-11
Pollen Description
Shape, Size and Aperture
pollen unit: monad, dispersal unit and peculiarities: monad, size (pollen unit): medium-sized (26-50 µm), size of hydrated pollen (LM): 26-30 µm, shortest polar axis in equatorial view (LM): 21-25 µm, longest polar axis in equatorial view (LM): 26-30 µm, shortest diameter in equatorial or polar view (LM): 26-30 µm, longest diameter in equatorial or polar view (LM): 26-30 µm, pollen class: colpate, polarity: isopolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): oblique, P/E-ratio (dry pollen): prolate, shape (dry pollen): -, outline in polar view (dry pollen): lobate, infoldings (dry pollen): aperture(s) sunken, aperture number: 3, aperture type: colpus, aperture condition: colpate, tricolpate, aperture peculiarities: aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: scabrate, gemmate, verrucate, nexine: -, sexine: -, SEM ornamentation SEM: microechinate, perforate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: continuous, endexine: compact-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: starch, lipids, cell number: 2-celled, Ubisch bodies: present
Author(s) of diagnosis: Oberschneider, Wolfgang; Auer, Waltraud
Pictures
Picture legend
- flower(s), photographer: Oberschneider, W.
- upper focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- optical section - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- lower focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- generative cell (dark) and vegetative nucleus - fresh, unfixed, aceto-carmine, photographer: Oberschneider, W.
- hydrated Pollen - fresh, glycerine, unstained, photographer: Auer, W.
- hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- detail of aperture - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Oberschneider, W.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- polar view of dry pollen grain - dry, sputter coated with gold, photographer: Oberschneider, W.
- dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Oberschneider, W.
- pollen wall (interapertural area) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
- aperture with ornamented colpus membrane - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
- pollen wall (left) and tapetum wall with Ubisch bodies (right) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
Literature
- (1991) The Northwest European Pollen Flora, 51. Ranunculaceae. Rev Palaeobot Palynol 69: 117-271
- (1969) Zur Blütenmorphologie und Bestäubungsökologie einiger Ranunculaceen (Cimicifuga L., Actaea L., Thalictrum L.). Preslia 41: 213-219
- (1991) Palynotaxonomy and phylogeny of Ranunculaceae. Geophytology 21: 207-210
- (1978) On the palynomorphological types of the Armenian Rununculaceae. Biol Zh Armenii 31: 219-222, 5 pl
- (1998) Pollenmorphologie der Ranunculanae. Diplomarbeit. Universität Wien : 125 pp
- (1981) Palynomorphological characteristics of the Bulgarian representatives of the family Ranunculaceae VII & VIII. Phytology (Bulg Acad Sci) 17: 3-32
- (1980) Palynomorphological characteristics of the Bulgarian representatives of the family Ranunculaceae Juss. IV. Phytology (Bulg Acad Sci) 14: 3-50
- (1962) Recherches palynologiques sur les Renonculacées de la R.P. Roumaine. In: Problème de Biologie. Edit Acad Rep Popul Romine : 79-122
- (1963) Studies of Indian pollen grains - II. Ranunculaceae. Pollen et Spores 5: 285-296
- (1993) A study on pollen and seed coat in the tribe Cimicifugeae and some allied genera (Ranunculaceae). Cathaya 5: 131-149
- (1936) Pollen grains in the identification and classification of plants - VII. Ranunculaceae. Bull Torrey Bot Club 63: 495-514
- (1994) Exkursionsflora von Österreich : 1180
- (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
Copyright and Citation
Cite this publication as:
Oberschneider W., Auer W. 2020. Actaea spicata. In: PalDat - A palynological database. https://www.paldat.org/pub/Actaea_spicata/303857; accessed 2024-11-01