3.9 C
Oxford
Tuesday, April 7, 2020
Home Journals Annals of Botany Sexual and asexual reproduction in a mycoheterotrophic orchid

Sexual and asexual reproduction in a mycoheterotrophic orchid

Sexual reproduction is common within Orchidaceae, though apomixis does occur in some genera allowing them to produce seeds that are clones of the mother. The reproductive embryology of mycoheterotrophic plants remains under-studied. Krawczyk et al. provide evidence for the co-occurrence of sexual and apomictic reproduction in a population of mycoheterotrophic plants: Epipogium aphyllum.

Micromorphology of a hand-pollinated flower of Epipogium aphyllum (SEM).
Micromorphology of a hand-pollinated flower of Epipogium aphyllum (SEM). (A,B) Stigma built by papillae. (C,D) Gynostemium with the massulae on the 2nd day after hand-pollination. (E,F) Germinated pollen grains grouped in tetrads on the stigma. Abbreviations: an – anther, lsl – lobe of stigma, ma – massulae, pg – pollen grains, ro – rostellum, st – stigma cells. Image: Krawczyk et al. (2016).

The authors investigated reproduction capability via open pollination, induced autogamy, autogamy sensu stricto, and autonomous apomixis. They report that although sexual reproduction dominates, incidental parthenogenesis is much more likely than natural self-fertilization, which is rare or unlikely. These findings suggest that E. aphyllum has the potential to produce seeds via both sexual and asexual means.

Annals of Botany Officehttp://aob.oxfordjournals.com
The Annals of Botany Office is based at the University of Oxford.

Latest Articles

Most Popular

10 Plants Used to Spice up Sex

It's well-known that plants can affect how the brain works. Take the right plant in the right dose and you can have an altered...

Will Martian cuisine have a terrifying surprise?

Mars One has launched a project to put humans on Mars by cutting out one of the biggest costs of the mission. Putting a...

The Garden Jungle by Dave Goulson

(or Gardening to Save the Planet) On my every growing to-do list is create...

What a Plant Knows by Daniel Chamovitz

If you're looking to show doubters that plants are fascinating then a good starting point is Daniel Chamovitz's What a Plant Knows. I was...

Recent Comments

>