Pelargonium zonale

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This article is about a wild species found in southern Africa. For cultivated plants known as "zonal pelargoniums" or "zonal geraniums", see Pelargonium § Zonal Pelargoniums.

Pelargonium zonale
In South Africa
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Geraniales
Family: Geraniaceae
Genus: Pelargonium
Species:
P. zonale
Binomial name
Pelargonium zonale
Synonyms[1]
  • Ciconium clarum Hoffmanns.
  • Ciconium cocciniflorum Hoffmanns.
  • Ciconium densiflorum Eckl. & Zeyh.
  • Ciconium leucanthum Hoffmanns.
  • Ciconium rosula Hoffmanns.
  • Ciconium stenopetalum Hoffmanns.
  • Ciconium zonale (L.) Hoffmanns.
  • Geraniospermum zonale (L.) Kuntze
  • Geranium marginatum Cav.
  • Geranium zonale L.

Pelargonium zonale is a species of Pelargonium native to southern Africa in the western regions of the Cape Provinces, in the geranium family. It is one of the parents of the widely cultivated plant Pelargonium × hortorum, often called "geranium", "horseshoe geranium", "zonal geranium" or "zonal pelargonium".[2]

Etymology

The genus name Pelargonium, in

scientific Latin, derives from the Greek pelargós (πελαργός), designating the stork
, the shape of the fruit evoking the beak of the bird. The specific epithet zonale is the neutral inflected form of the Latin zonalis "relative to the zone", with reference to the brown zone on the leaf.

Pelargonium zonale was collected by

Jan Commelijn (1629–1692) and illustrated with a watercolor by Maria Moninckx. [citation needed
]

Description

Pelargonium zonale is an upright or scrambling

reniform and petiolate with an average diameter of 5–8 cm (2–3 in).[2]

Cultivation

In the 16th century, Pelargonium seeds were transported from Africa to Leiden in the Netherlands, where the plant was grown in the botanical garden there. Within a few years, it reached the British Isles, France, Italy and Spain and became popular. It gradually reached the islands of the Caribbean, and in the 17th century it was already known in North America. Today it is naturalized in many subtropical and tropical countries[

which?
] and in colder areas must be grown indoors.

Plants can be obtained from seeds or vegetatively. The hard-coated seeds germinate within 14 days at about 20 °C. once the seed coat is compromised.[citation needed] Micropropagation has been used commercially since the 20th century.

In

temperate
climate zones, plants are set out in gardens in the spring, then can be dug prior to the first freeze and brought indoors to overwinter; they can be re-planted in the spring.

Hybridization

This species, when hybridized with closely related species, has yielded a group of hybrid plants referred to as

Pelargonium x hortorum. These hybrids are usually referred to by the common name
"zonal geranium".

Gallery

  • Half opening umbel of a Pelargonium zonale
    Half opening umbel of a Pelargonium zonale
  • Umbel of a Pelargonium zonale
    Umbel of a Pelargonium zonale
  • Pelargoniums in various colors
    Pelargoniums in various colors

References

  1. ^ a b "Pelargonium zonale", The Plant List, retrieved 2015-01-23
  2. ^ a b Lawrence, Ebrahim (2002), "Pelargonium zonale (L.) L'Hérit.", PlantZAfrica, South African National Biodiversity Institute, retrieved 2015-01-23
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