White leave spots of Phaius flavus var. maculatus can be inhereted

Phaius flavus var. maculatus is a special Phaius with regard to the white leave spots that make the plant very attractive even in the non-flowering state. The degree of spotting varies from plant to plant. The white spots are not a result of virus, bacterial or fungal infection, but are a genetically fixed trait (see above picture showing Phaius flavus forma album seedlings).

Phaius flavus fma album by Chu Xuan Canh Kopie

I take care of two hybrids of Phaius flavus var. maculatus:

Phaius Joan Hart G.Coram 1986 is a synonym of Phaius Maculato-Grandifolius Veitch 1891, a hybrid generated by crossing Phaius tankervilleae with Phaius flavus. If Phaius flavus var. maculatus is used, some of the offspring plants will show white spots on the leaves, but in comparison to the mother plant in a reduced amount.

The same is true for a cross between Phaius mishmensis and Phaius flavus var. maculatus. As number of hybrids using Phaius flavus var. maculatus as a mother plant will increase, we will learn more about the mode of inheritance.

Interestingly, there is a Calanthe that also shows white leave spots as an ornament: Calanthe maxii O’Byrne, which is found in Sulawesi. Would it not be most interesting to cross this Calanthe with Phaius flavus var. maculatus to look at the spot pattern of this hybrid?

Read more about Phaius flavus on my blog:

https://prachtorchideen.wordpress.com/2019/12/06/phaius-federsee-a-new-phaius-hybrid/

https://prachtorchideen.wordpress.com/2019/08/07/phaius-flavus-is-an-orchid-host-of-sclerotium-rolfsii/

https://prachtorchideen.wordpress.com/2019/08/05/hybridization-programme-using-phaius-tankervilleae-and-phaius-flavus/

https://prachtorchideen.wordpress.com/2019/08/03/phaius-of-bhutan/

https://prachtorchideen.wordpress.com/2019/08/01/phaius-of-java/

https://prachtorchideen.wordpress.com/2019/01/23/medicinal-phaius-of-asia/

https://prachtorchideen.wordpress.com/2018/12/16/phaius-somai-wie-pflegen/

https://prachtorchideen.wordpress.com/2018/04/30/bluehendes-gold-aus-indien-phaius-flavus/

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