Scientific name X Citroncirus spp. | Rank Hybrid | |
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Hybrid parentage Poncirus trifoliata (Japanese Bitter Orange) x Citrus × paradisi (Grapefruit) Similar Citrange, Citrus reshni, Citrus macrophylla, Trifoliate orange, Rough lemon | ||
Hardy trachycarpus eucalyptus hardy citrus citrumelo northern va dec 2012
Citrumelo or Citromelo (X Citroncirus spp.) is also called Swingle citrumelo trifoliate hybrid, because it is a cold hardy citrus hybrid between a 'Duncan' grapefruit and a trifoliate orange (Poncirus trifoliata (L.) Raf.), developed by Walter Tennyson Swingle.
Contents
- Hardy trachycarpus eucalyptus hardy citrus citrumelo northern va dec 2012
- Citrumelo growing in massachusetts
- Taxonomy
- References
Citrumelo is widely employed as a citrus rootstock, being resistant to the severe citrus tristeza virus and to the Phytophthora foot rot as well as to blight, cold, and citrus nematode. It produces yellow fruit which taste (if added sugar) and smell like an ordinary grapefruit. The trees are very hardy and an survive temperatures as low as 30s (Fahrenheit).
Citrumelo growing in massachusetts
Taxonomy
Trifoliate orange, according to Swingle, belongs to a citrus related genera, called Poncirus, while grapefruit equivocally belongs to the genus citrus, hence the botanical name X citroncirus is a hybrid genus, derived from citrus and poncirus.
