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Around 1980, I crossed S. leucotricha with S. reitzii. I was obviously not the first one to make this cross, since Perret et al. mention in their paper that Carl Clayberg had obtained fully fertile hybrids from all crosses between a group of species in the Dircaea clade, and this group included both S. leucotricha and S. reitzii.
A couple of years ago, I discovered from the 1988 AGGS Sinningia Register that my cross had been named and registered as 'Toronto Ten' by Josephine Stefaniak.
This plant has dark leaves with some silvery hairs. It is very floriferous, blooming from late summer into winter. The growth habit is that of S. reitzii, including the perennial stem. As can be seen from the picture, the inflorescence has essentially no peduncle, all the pedicels (flowerstalks) emerging directly from the node. This is one difference between the hybrid and S. reitzii, which has inflorescences with a distinct peduncle, usually about an inch [2-3 cm] long.
| Plant Description | |
|---|---|
| Attribute | Information |
| Growth | Indeterminate |
| Habit | Upright stem(s), with somewhat hairy leaves |
| Dormancy | Like S. reitzii, this hybrid has stems which are not deciduous |
| Flowering | |
| Attribute | Information |
| Inflorescence | terminal cluster |
| Season | Blooms summer through early winter |
| Flower | Dark red, tubular, spotted on inside |
| Horticultural Aspects | |
| Attribute | Information |
| Hardiness | Has survived 25F (-4C) in my yard |