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an online publication on recent pollen

Mentha arvensis

Taxonomy: Angiospermae, Lamiales, Lamiaceae, Nepetoideae, Mentheae, Menthinae, Mentha

Published: 2020-12-14

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): 21-25 µm,  shortest diameter in equatorial or polar view (LM): 21-25 µm,  longest diameter in equatorial or polar view (LM): 26-30 µm,  pollen class: colpate,  polarity: isopolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: elliptic,  dominant orientation (LM): polar,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): elliptic,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 6,  aperture type: colpus,  aperture condition: colpate, hexacolpate,  aperture peculiarities: aperture membrane ornamented, stephanoaperturate

Ornamentation and Structure

LMornamentation LM: reticulate,  nexine: -,  sexine: -,  SEMornamentation SEM: microreticulate,  suprasculpture SEM: -,  TEMtectum: semitectate,  infratectum: columellate,  foot layer: continuous,  endexine: compact-continuous,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

pollen coatings: pollenkitt,  reserves in cytoplasm: starch,  cell number: 3-celled,  Ubisch bodies: absent

Author(s) of diagnosis: Ulrich, Silvia; Auer, Waltraud

Pictures

inflorescence(s)

1. inflorescence(s)

sperm cells and vegetative nucleus

2. sperm cells and vegetative nucleus

upper focus

3. upper focus

optical section

4. optical section

lower focus

5. lower focus

polar view

6. polar view

pollenkitt

7. pollenkitt

pollenkitt

8. pollenkitt

hydrated pollen

9. hydrated pollen

hydrated pollen

10. hydrated pollen

hydrated pollen

11. hydrated pollen

polar view

12. polar view

equatorial view

13. equatorial view

detail of aperture

14. detail of aperture

exine surface

15. exine surface

exine surface

16. exine surface

polar area

17. polar area

dry pollen grains

18. dry pollen grains

pollen wall; interapertural area

19. pollen wall; interapertural area

pollen wall at transition of aperture and interapertural area

20. pollen wall at transition of aperture and interapertural area

pollen wall; aperture area

21. pollen wall; aperture area

pollen wall at transition of aperture and interapertural area

22. pollen wall at transition of aperture and interapertural area

pollen wall; aperture area

23. pollen wall; aperture area

pollen wall; interapertural area

24. pollen wall; interapertural area

pollen wall; interapertural area

25. pollen wall; interapertural area

pollen wall; interapertural area

26. pollen wall; interapertural area

vegetative cell and sperm cell

27. vegetative cell and sperm cell

vegetative nucleus

28. vegetative nucleus

Picture legend

  1. inflorescence(s), photographer: Ulrich, S.
  2. sperm cells and vegetative nucleus - dry, rehydrated (water), aceto-carmine, photographer: Ulrich, S.
  3. upper focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
  4. optical section - dry, acetolyzed, unstained, photographer: Ulrich, S.
  5. lower focus - dry, acetolyzed, unstained, photographer: Ulrich, S.
  6. polar view - dry, rehydrated (water), unstained, photographer: Ulrich, S.
  7. pollenkitt - dry, rehydrated (water), iodine, photographer: Ulrich, S.
  8. pollenkitt - dry, rehydrated (water), iodine, photographer: Ulrich, S.
  9. hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
  10. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  11. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  12. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  13. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  14. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  15. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  16. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  17. polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Ulrich, S.
  18. dry pollen grains - dry, sputter coated with gold, photographer: Ulrich, S.
  19. pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  20. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  21. pollen wall; aperture area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  22. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  23. pollen wall; aperture area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  24. pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Ulrich, S.
  25. pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  26. pollen wall; interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, potassium permanganate, photographer: Ulrich, S.
  27. vegetative cell and sperm cell - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.
  28. vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Ulrich, S.

Literature

  • Belkina KV (1972) On the dimorphism of pollen in plants of the family Labiatae from Yakutia. Bot Zh Moscow 57: 1286-1290
  • Bhargava HR, Shukla JS () Pollen grains in Labiatae. Madhya Bharati India II 14-16: 120-123
  • Cantino PD, Sanders RW (1986) Subfamilial classification of Labiatae. Systematic Botany 11: 163-185
  • El GA, Watson L (1968) Labiatae: taxonomy and susceptibility to Puccinia menthae Pers. New Phytol 67: 739-743
  • Gill LS, Chinnappa CC (1982) Pollen morphology of the West-Himalayan Labiatae. Bangladesh J Bot 11: 107-123
  • Huang TC, Cheng WT (1971) A preliminary revision of Formosan Labiatae (I). Taiwania 16: 157-174
  • Jancic R, Polic D (1989) Morphology of pollen grains of the genus Mentha L. (Lamiaceae). Acta Bot Croat 48: 161-164
  • Kuprianova LA, Alyoshina LA (1978) Pollen dicotyledonearum Florae Partis Europaeae USSR. Lamiaceae - Zygophyllaceae. Nauka, Akad Sci USSR, VL Komarov Inst Bot : 184 pp
  • Luque T, Candau P (1987) Acanthaceae, Geraniaceae, Globulariaceae, Lamiaceae, Oxalidaceae, Verbenaceae. In: Valdés B., Díez M.J., Fernández I. (eds) Atlas polínico de Andalucía occidental. Inst de Desarrollo Regional 43, Univ de Sevilla
  • Mukhopadhyay J (1971) On the pollen morphology of Verbenaceae and a few allied taxa with special reference to taxonomy. Univ Calcutta (D Phil Thesis) : 324 pp, 18 pl, 50 figs
  • Raj B (1976) Pollenmorphology of Indian Labiatae. Tribes Ocimoideae and Satureineae. J Palynology 10: 89-105
  • Risch C (1956) Die Pollenkörner der Labiaten. Willdenowia 1: 617-641
  • Risch C (1940) Die Pollenkörner der in Deutschland vorkommenden Labiaten. Verhandl Bot Vereins f Brandenburg 80: 21-36
  • Sagoo MIS, Bir SS (1983) Cytopalynological studies on Indian members of Acanthaceae and Labiatae. J Palynol 19: 243-277
  • Trudel MCG, Morton JK (1992) Pollen morphology and taxonomy in North American Labiatae. Can J Bot 70: 975-995
  • Waterman AH (1960) Pollen grain studies of the Labiatae of Michigan. Webbia 15: 399-415
  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
  • FISCHER MA, ADLER W, OSWALD K (2005) Exkursionsflora für Österreich, Liechtenstein und Südtirol : 1180

Copyright and Citation

Cite this publication as:

Ulrich S., Auer W. 2020. Mentha arvensis. In: PalDat - A palynological database. https://www.paldat.org/pub/Mentha_arvensis/304453;jsessionid=1B80EACEE2C259E811E1353C5C00BA5F; accessed 2021-03-04

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