Solanum betaceum: Difference between revisions
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'''Solanum betaceum''' is | '''Solanum betaceum''' is tamarillo, a small subtropical fruit tree in the Solanaceae. | ||
== Description == | == Description == | ||
[[File:Wikifruit-Solanum-betaceum-02.jpg|thumb|left|240px|Fruits of Solanum betaceum.]] | [[File:Wikifruit-Solanum-betaceum-02.jpg|thumb|left|240px|Fruits of Solanum betaceum.]] | ||
'''Solanum betaceum''' is the accepted name for tamarillo, also called tree tomato. *Cyphomandra betacea* is a homotypic synonym. The species is a soft-wooded Andean fruit crop rather than a tomato species in the genus *Solanum* section that contains common garden tomatoes [1][2]. | '''Solanum betaceum''' is the accepted name for tamarillo, also called tree tomato. *Cyphomandra betacea* is a homotypic synonym. The species is a soft-wooded Andean fruit crop rather than a tomato species in the genus *Solanum* section that contains common garden tomatoes <sup id="cite_ref-1">[[#cite_note-1|[1]]]</sup><sup id="cite_ref-2">[[#cite_note-2|[2]]]</sup>. | ||
== Distribution and habitat == | == Distribution and habitat == | ||
Kew records an Andean and adjacent South American range. Production studies document cultivation at approximately 2,010–2,250 m in Ecuador, but those farm elevations should not be presented as the complete natural elevation range [1][4]. | Kew records an Andean and adjacent South American range. Production studies document cultivation at approximately 2,010–2,250 m in Ecuador, but those farm elevations should not be presented as the complete natural elevation range <sup>[[#cite_note-1|[1]]]</sup><sup id="cite_ref-4">[[#cite_note-4|[4]]]</sup>. | ||
== Cultivation == | == Cultivation == | ||
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=== Soil and water === | === Soil and water === | ||
Use light, well-drained soil and avoid waterlogging. Tamarillo has shallow roots and large leaves, so steady moisture is important; drought reduces growth, fruit size, and productivity. Raised planting or improved drainage is appropriate on wet sites [2][3]. | Use light, well-drained soil and avoid waterlogging. Tamarillo has shallow roots and large leaves, so steady moisture is important; drought reduces growth, fruit size, and productivity. Raised planting or improved drainage is appropriate on wet sites <sup>[[#cite_note-2|[2]]]</sup><sup id="cite_ref-3">[[#cite_note-3|[3]]]</sup>. | ||
=== Sun and humidity === | === Sun and humidity === | ||
The sources support a sheltered subtropical position and protection from wind, but do not establish a single quantitative full-sun or humidity threshold. Avoid extreme heat and exposed wind; exact atmospheric humidity is N/A [2][3]. | The sources support a sheltered subtropical position and protection from wind, but do not establish a single quantitative full-sun or humidity threshold. Avoid extreme heat and exposed wind; exact atmospheric humidity is N/A <sup>[[#cite_note-2|[2]]]</sup><sup>[[#cite_note-3|[3]]]</sup>. | ||
=== Seasonal changes === | === Seasonal changes === | ||
In climates with little annual variation, flowering and fruiting can occur through much of the year. In seasonal New Zealand production, fruit ripens in autumn and the commercial harvest extends through a winter period. Local cool/warm timing therefore matters more than a single calendar date [2][3]. | In climates with little annual variation, flowering and fruiting can occur through much of the year. In seasonal New Zealand production, fruit ripens in autumn and the commercial harvest extends through a winter period. Local cool/warm timing therefore matters more than a single calendar date <sup>[[#cite_note-2|[2]]]</sup><sup>[[#cite_note-3|[3]]]</sup>. | ||
== Propagation == | == Propagation == | ||
Seed and cuttings are both used. New Zealand guidance recommends sowing seed in a seed-raising mix, with bottom heat until germination; the review notes that pruning and training differ between seed-grown and cutting-grown plants [2][3]. | Seed and cuttings are both used. New Zealand guidance recommends sowing seed in a seed-raising mix, with bottom heat until germination; the review notes that pruning and training differ between seed-grown and cutting-grown plants <sup>[[#cite_note-2|[2]]]</sup><sup>[[#cite_note-3|[3]]]</sup>. | ||
== Flowering, fruiting, and harvest == | == Flowering, fruiting, and harvest == | ||
Flowers and fruit may be produced year-round in low-seasonality climates. Fruits do not all ripen together, so repeated pickings are normal. They may be harvested fully colored or as skin color turns, with postharvest ripening possible after early harvest [2]. | Flowers and fruit may be produced year-round in low-seasonality climates. Fruits do not all ripen together, so repeated pickings are normal. They may be harvested fully colored or as skin color turns, with postharvest ripening possible after early harvest <sup>[[#cite_note-2|[2]]]</sup>. | ||
== Fruit and uses == | == Fruit and uses == | ||
The egg-shaped fruit occurs in red, yellow, and purple types. It is eaten fresh and used for juice, purée, sauces, chutneys, compotes, desserts, curries, and salads. Yellow types are generally sweeter while red types are more acidic, but flavor varies by type and selection [2][3]. | The egg-shaped fruit occurs in red, yellow, and purple types. It is eaten fresh and used for juice, purée, sauces, chutneys, compotes, desserts, curries, and salads. Yellow types are generally sweeter while red types are more acidic, but flavor varies by type and selection <sup>[[#cite_note-2|[2]]]</sup><sup>[[#cite_note-3|[3]]]</sup>. | ||
== Photos == | == Photos == | ||
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== References == | == References == | ||
[1] | * <span id="cite_note-1"></span>[[#cite_ref-1|↑]] '''[1]''' [https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:306169-2 Kew Plants of the World Online, accepted name and synonym]. | ||
[2] | |||
[3] | * <span id="cite_note-2"></span>[[#cite_ref-2|↑]] '''[2]''' [https://doi.org/10.1300/J301v01n02_06 Prohens and Nuez, The Tamarillo review]. | ||
[4] | |||
* <span id="cite_note-3"></span>[[#cite_ref-3|↑]] '''[3]''' [https://www.tamarillo.com/becoming-a-grower/ New Zealand Tamarillo Growers Association, grower guidance]. | |||
* <span id="cite_note-4"></span>[[#cite_ref-4|↑]] '''[4]''' [https://pmc.ncbi.nlm.nih.gov/articles/PMC10530088/ Andean production study]. | |||
== Image credits == | == Image credits == | ||
Revision as of 08:12, 26 August 2026
| Solanum betaceum | |
|---|---|
 | |
| Scientific name | Solanum betaceum |
| Common names | Tamarillo; tree tomato |
| Genus | Solanum |
| Family | Solanaceae |
| Order | Solanales |
| Fruit type | Berry |
| Growth form | Short-lived evergreen shrub or small tree |
| Native range | Andean and adjacent South American range including Argentina, Bolivia, Brazil, Colombia, Ecuador, Peru, and Venezuela; Kew also lists the Windward Islands. |
| Mature size | Variable; source-specific |
| Years to fruit | 18–24 months to a first small crop in New Zealand industry guidance; peak production about 4 years; variable |
Solanum betaceum is tamarillo, a small subtropical fruit tree in the Solanaceae.
Description
Solanum betaceum is the accepted name for tamarillo, also called tree tomato. *Cyphomandra betacea* is a homotypic synonym. The species is a soft-wooded Andean fruit crop rather than a tomato species in the genus *Solanum* section that contains common garden tomatoes [1][2].
Distribution and habitat
Kew records an Andean and adjacent South American range. Production studies document cultivation at approximately 2,010–2,250 m in Ecuador, but those farm elevations should not be presented as the complete natural elevation range [1][4].
Cultivation
Soil and water
Use light, well-drained soil and avoid waterlogging. Tamarillo has shallow roots and large leaves, so steady moisture is important; drought reduces growth, fruit size, and productivity. Raised planting or improved drainage is appropriate on wet sites [2][3].
Sun and humidity
The sources support a sheltered subtropical position and protection from wind, but do not establish a single quantitative full-sun or humidity threshold. Avoid extreme heat and exposed wind; exact atmospheric humidity is N/A [2][3].
Seasonal changes
In climates with little annual variation, flowering and fruiting can occur through much of the year. In seasonal New Zealand production, fruit ripens in autumn and the commercial harvest extends through a winter period. Local cool/warm timing therefore matters more than a single calendar date [2][3].
Propagation
Seed and cuttings are both used. New Zealand guidance recommends sowing seed in a seed-raising mix, with bottom heat until germination; the review notes that pruning and training differ between seed-grown and cutting-grown plants [2][3].
Flowering, fruiting, and harvest
Flowers and fruit may be produced year-round in low-seasonality climates. Fruits do not all ripen together, so repeated pickings are normal. They may be harvested fully colored or as skin color turns, with postharvest ripening possible after early harvest [2].
Fruit and uses
The egg-shaped fruit occurs in red, yellow, and purple types. It is eaten fresh and used for juice, purée, sauces, chutneys, compotes, desserts, curries, and salads. Yellow types are generally sweeter while red types are more acidic, but flavor varies by type and selection [2][3].
Photos
References
- ↑ [4] Andean production study.
Image credits
- Wikifruit-Solanum-betaceum-01.jpg — Carstor; GFDL and CC BY-SA multi-license. Commons file page.
- Wikifruit-Solanum-betaceum-02.jpg — Usien; GFDL and CC BY-SA multi-license. Commons file page.
- Wikifruit-Solanum-betaceum-03.jpg — Ivar Leidus; CC BY-SA 4.0. Commons file page.
- Cyphomandra betacea - Val Rahmeh - DSC04458.JPG — Daderot; Public domain. Commons file page.
Research note: First-crop timing and frost limits are source-qualified: NZ guidance gives 18–24 months to a first small crop and damage below freezing, with severe losses around −3 °C. Exact sun and humidity thresholds remain N/A.