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an online publication on recent pollen

Epilobium montanum

Taxonomy: Angiospermae, Myrtales, Onagraceae, Epilobium

Published: 2017-01-17

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: tetrad tetrahedral,  size (pollen unit): medium-sized (26-50 µm),  pollen class: tetrad,  polarity: heteropolar,  shape: -,  outline in polar view: triangular,  shape (dry pollen): oblate,  outline in polar view (dry pollen): triangular,  infoldings (dry pollen): interapertural area sunken,  aperture number: 3,  aperture type: porus,  aperture condition: porate, triporate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: microgemmate, rugulate, perforate,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: viscin threads

Miscellaneous

pollen coatings: -,  reserves in cytoplasm: -,  cell number: -,  Ubisch bodies: -

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

hydrated tetrad

1. hydrated tetrad

detail of exine and pollen connecting thread

2. detail of exine and pollen connecting thread

exine bridges between adjacent pollen grains of one tetrad

3. exine bridges between adjacent pollen grains of one tetrad

dry tetrads

4. dry tetrads

Picture legend

  1. hydrated tetrad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. detail of exine and pollen connecting thread - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. exine bridges between adjacent pollen grains of one tetrad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. dry tetrads - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

  • Baker HG, Baker I (1982) Starchy and starchless pollen in the Onagraceae. Ann Miss Bot Gard 69: 748-754
  • Banerjee D (1967) Studies on the pollen grains of Indian Epilobium L. Palynological Bull Lucknow II & III: 24-29
  • Brown CA (1967) Pollen morphology of the Onagraceae. Rev Palaeobot Palynol 3: 163-180
  • Hesse M (1978) Zweierlei Formen der Pollenverkittung bei den Onagraceae. Naturk Jahrb Linz 23: 9-16
  • Hesse M (1980) Zur Stereostruktur der Viscinfäden bei Ericaceen und Onagraceen. Beitr Elektronenmikroskop Direktabb Oberfl 13: 211-216, 2 pl
  • Hesse M (1981) Pollenkitt and viscin threads: their role in cementing pollen grains. Grana 20: 145-152
  • Hesse M (1981) Viscinfäden bei Angiospermen - homologe oder analoge Gebilde? Mikroskopie Wien 38: 85-89, 1 tabl, 1 pl
  • Hesse M (1983) Dissimilar pollen tetrad development in Ericaceae and Onagraceae causes family specific viscin thread configuration. Pl Syst Evol 143: 163-165
  • Keri C (1988) Apertural development of pollen grains of Clarkia elegans, Epilobium angustifolium and Godetia purpurea (Onagraceae). 7 Int Palynol Congress Brisbane, Abstracts : 82
  • Keri C, Zetter R (1992) Notes on the exine ultrastructure of Onagraceae and Rhododendroideae (Ericaceae). Grana 31: 119-123
  • Mitroiu N (1963) Cercetari palinologice asupra microsporilordin Familie Onagraceae. Acta Bot Horti Bucuresti 1961-1962 1: 435-457
  • Mosquin T (1966) A new taxonomy for Epilobium angustifolium L. (Onagraceae). Brittonia 18: 167-188
  • Praglowski J, Nowicke JW, Skvarla JJ, Hoch PC, Raven PH, Takahashi M (1994) Onagraceae Juss Circaeeae DC., Hauyeae Raimann, Epilobieae Spach. World Pollen and Spore Flora 19: 1-38
  • Punt W, Rovers J, Hoen PP (2003) Onagraceae. The Northwest European Pollen Flora 67. Rev Palaeobot Palynol 123: 107-161
  • Raven PH (1977) Generic and sectional delimitation in Onagraceae tribe Epilobieae. Ann Miss Bot Gard 63: 326-340
  • Rowley JR, Claugher D (1996) Structure of the exine of Epilobium angustifolium (Onagraceae). Grana 35: 79-86
  • Rowley JR, Dahl AO (1983) Fine structure of viscin threads in Epilobium angustifolium. J Ultrastruct Res 85: 112
  • Rowley JR, Et A (1983) Viscin threads considered as connective structures between pollen grains and tapetal cells. Fertilization and embryogenesis in ovulated plants. VEDA, Bratislava : 89-92
  • Skvarla JJ, Raven PH, Chissoe WE, Sharp M (1978) An ultrastructural study of viscin threads in Onagraceae pollen. Pollen et Spores XX: 5-143
  • Skvarla JJ, Raven PH, Praglowski J (1975) The evolution of pollen tetrads in Onagraceae. Amer J Bot 62: 6-35
  • Skvarla JJ, Raven PH, Praglowski J (1976) Ultrastructural survey of Onagraceae pollen. Linn Soc Symp Ser 1: 447-479
  • Ting WS (1966) Pollen morphology of Onagraceae. Pollen et Spores 8: 9-36
  • Wuest J, Jeanmonod D (1988) Morphologie florale en microscopie électronique á balayage. Editions des Conservatoire et Jardin Botaniques de Genéve : 167 pp
  • Xu TY (1982) Actinidiaceae, Aquifoliaceae, Araliaceae, Combretaceae, Erythroxylaceae, Hydrocaryaceae, Ochnaceae, Onagraceae, Verbenaceae, Restionaceae. In: Angiosperm pollen flora of tropic and subtropic China. Inst Bot South China : 17-18, 48-58, 97-100, 125-126, 180-181, 249, 256-260, 390-400, 427-428
  • Halbritter, H (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:

Halbritter H. 2017. Epilobium montanum. In: PalDat - A palynological database. https://www.paldat.org/pub/Epilobium_montanum/302945;jsessionid=734BE14E3EC1E819C275925A8A77A5E6; accessed 2018-11-15

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