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I have several plants of this species, all grown from seed, but none has ever even had flowerbuds. The stems usually remain on the plant all winter.
The tubers are interesting. See a picture of one oddball.
Sinningia bulbosa is one of the "Galea Group", a cluster of closely related species which all have flowers with an overhanging upper lip, formed by the two uppermost corolla lobes.
I have several plants of this species, and have placed them in different situations in my yard (all are outdoors). The plants all thrive, but do not bloom, ever. I am continuing to experiment.
| Plant Description |
|
| Growth | Indeterminate |
| Habit | Upright or spreading stem(s) |
| Leaves | Plain green on both sides |
| Dormancy | Stems not deciduous in my yard. |
Flowering |
|
| Inflorescence | extended axis. |
| Season | Mine have not bloomed |
| Flower | Red, tubular, with galea |
Horticultural aspects |
|
| From seed | My plants were started in 2001 but have never bloomed. |
| Hardiness | Has survived 30F (-1C) in my yard without any leaf damage |
| Recommended? | Hardly. It has not bloomed for me, despite many years of cultivation. There is nothing memorable about the foliage. |
Botany |
|
| Taxonomic group | The galea group of the Dircaea clade. |
Mauro Peixoto's web site has a picture of the flowers.
One of the highlights of Ron Myhr's web site is his collection of antique prints, such as one of Sinningia bulbosa.
Sinningia bulbosa was first published (as Gesneria bulbosa) in 1818 by John Bellenden Ker-Gawler (1764-1842). It was a rechsteineria and a corytholoma after that. Hans Wiehler transferred it to Sinningia in 1978.
Etymology: from Latin bulba ("onion", or presumably other bulb).