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This is Peter Shalit's picture of his plant of Sinningia gigantifolia "Itatiaia". He grew it from seed collected by Mauro Peixoto. At the time of this picture, it was three years old, and was blooming for the first time. Itatiaia, where this collection originated, is Brazil's oldest national park. See the Wikipedia article for more information. Peter writes: "Alain describes this location as 2000 M in elevation and hence this collection has much smaller leaves than the lowland populations of S. gigantifolia." He also mentioned that this variety has larger flowers than a previous plant he grew of this species. |
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InflorescenceThis shows the inflorescence of Peter's plant. Each node has a couple of peduncles with one or two flowers each. The flowering stem, peduncles, and pedicels are all very dark shiny red, almost black. It increases the attractiveness of the flowers. There are small bracts at the nodes. Photo by Peter Shalit. |
As far as I know, Jon Dixon's cross between this species and S. "Black Hill" is the only gigantifolia hybrid.
| Plant Description |
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| Growth | Indeterminate |
| Habit | Stem upright, with alternate leaves (unusual for sinningia). |
| Leaves | heart-shaped, dark green on top, maroon on back. Bases overlap when young |
| Dormancy | Leaves deciduous (obligate). Stems incompletely deciduous (see below). |
Flowering |
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| Season | Blooms in late summer |
| Inflorescence | Terminal peduncle |
| Flower | Red, tubular |
Horticultural aspects |
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| Hardiness | I have no data yet. Unlikely to be frost-tolerant. |
Botany |
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| Taxonomic group | In a subgroup with S. cochlearis within the Sinningia clade. |
See also the S. gigantifolia page on Mauro Peixoto's web site.
Lindley described this species as Gesneria discolor in 1841. Alain Chautems transferred this species to Sinningia in 1990, but the name that would ordinarily have resulted, Sinningia discolor, was unavailable, because it had already been used for a different plant.
Sinningia discolor was published in 1904 by Sprague, but this was not the plant Lindley had described, but rather a variety of what we now know as Sinningia speciosa. So when Chautems transferred Gesneria discolor to Sinningia in 1990, he had to assign a new name to this species. Hence, Sinningia gigantifolia.
Etymology: Latin gigant- ("giant", nom. sing. gigas) + -folia ("leaf").