Sinningia douglasii x leucotricha

flower

I crossed S. douglasii with S. leucotricha in 2004.  This was hardly the first time this cross had been done -- see the crossing chart).  The first flower appeared in May 2007 (neither parent species is quick to bloom from seed).  The parents are two of my favorite species, so I was curious to see what the result of crossing them would be.  The hybrid could be a stepping stone to a nice combination, and I've harvested F2 seed from this plant.  (I also note that Mauro Peixoto's Brazil Plants club offers leucotricha x douglasii F2 seed.)




leaf

The flower resembles that of S. douglasii, but is just a little smaller.  At this stage, certainly, the plant is nowhere near as floriferous as S. douglasii.

The foliage is intermediate between the two parents.  The leaf is definitely hairy, but the hairs are not as conspicuous as those of S. leucotricha.




stem

Vincent Parsons, on the Gesneriphiles mailing list, has said that he made crosses between S. leucotricha and various other sinningias, and even back-crosses to S. leucotricha, without recovering the full leucotricha foliage.

The leafbacks look a lot like those of S. douglasii, with the dark red petiole and midrib.




Getting Better with Age

plant

As with many sinningias, this plant has improved with age.  This doesn't mean that an individual flower or leaf looks better, but that the plant as a whole is more attractive: more stems, more flowers, and better growth habit.  The picture above shows the plant in June 2009, from seed sown in 2004.



Feature table for Sinningia douglasii x leucotricha

Plant Description

Growth Determinate
Habit Stems upright (if one) or spreading (more than one)
Leaves Dark green with red midrib and veins prominent on reverse
Dormancy Stems fully deciduous.  Dormancy appears to be obligate, just like that of both parents.

Flowering

Inflorescence terminal cluster (like S. leucotricha but not S. douglasii, which has a terminal peduncle)
Season Summer
Flower Red, tubular

Horticultural aspects

Hardiness Has survived 30F (-1C) in my yard.

Hybridization

Hybridizer Alan LaVergne, 2004
Fertility As would be expected, this hybrid (both parents in the Dircaea clade) is fertile, and I have selfed it and done crosses with it.

Botany

Taxonomic group Parents are both members of the Dircaea clade.