Citrus × paradisi

2 Oct

Citrus × paradisi (07/09/2014, Walworth, London)

Citrus × paradisi (07/09/2014, Walworth, London)

Position: Full sun

Flowering period: Spring

Soil: Moist, well drained, acidic

Eventual Height: 6m

Eventual Spread: 5m

Hardiness: 9a, 9b, 10a, 10b, 11

Family: Rutaceae

Citrus × paradisi Leaf (07/09/2014, Walworth, London)

Citrus × paradisi Leaf (07/09/2014, Walworth, London)

Citrus × paradisi is a small evergreen tree with a rounded habit. Its dark green shiny  leaves are oblong to elliptic with serrulate margins, up to 15cm long and 5cm broad. Its leaves emerge purple/ green. Its branches have occasional sharp spines. Its fragrant white flowers are waxy with a purple base and up to 5cm across. Its yellow fruit are spherical and up to 15cm across.

Citrus × paradisi, commonly known as the Grapefruit, was first bred in Barbados in the eighteenth century.

Citrus × paradisi Fruit (07/09/2014, Walworth, London)

Citrus × paradisi Fruit (07/09/2014, Walworth, London)

The etymological root of the binomial name Citrus is is from the ancient Latin name for this tree. Paradisi is named after Count Giovanni Paradisi of Modena (1760-1826).

The landscape architect may find Citrus × paradisi useful as a fragrant small evergreen tree that produces edible fruit. It can only be grown in the warmest parts of the UK.

Citrus × paradisi Bark (07/09/2014, Walworth, London)

Citrus × paradisi Bark (07/09/2014, Walworth, London)

Ecologically, Citrus × paradisi flowers are attractive to pollinating insects.

Citrus × paradisi prefers moist, sandy loam soils. It prefers an acidic pH of soil.

Citrus × paradisi requires little maintenance. This tree may be cut back severely without harming it.

Davis Landscape Architecture

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One Response to “Citrus × paradisi”

  1. David 03/10/2014 at 05:56 #

    Macfadyen didn’t mention Count Paradisi at all when he named the hybrid (as a species) but gave it the English name “Forbidden Fruit”.

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