Pelargonium ionidiflorum
Pelargonium ionidiflorum (Eckl. & Zeyh.) Steud.
Family: Geraniaceae
Common names: violet-flower pelargonium
Introduction
Pelargonium ionidiflorum provides beautiful violet pink flowers all year round in the garden.
Description
Description
Pelargonium ionidiflorum is a small, woody shrublet, up to 0.5 m high. The stems are rough with leaf scars and are covered with a layer of greyish brown cork. The young stems are yellowish green and are always covered with glandular hairs. The beautiful light pink to dark violet pink flowers are produced all year round and have wine-red markings on the posterior petals.
Conservation Status
Status
Pelargonium ionidiflorum is very common and therefore is not threatened.
Distribution and habitat
Distribution description
Pelargonium ionidiflorum has a restricted distribution range. It is found only in the Eastern Cape where it occurs in the districts of Craddock, Somerset East, Fort Beaufort and Grahamstown. It grows among rocks in karoo or karroid vegetation which is typical of Eastern Cape Valley Bushveld. The habitat receives an annual rainfall of 300 to 750 mm per annum during summer. The summer months in the area also experience very high temperatures and the winter months reach below 0ºC.
Derivation of name and historical aspects
History
The genus Pelargonium derives its name from the resemblance of the shape of the fruit to the beak of a stork, pelargos in Greek. The species name ionidiflorum, is derived from the Greek word, ion, which means 'violet colour', and the Latin word florum, meaning 'flower', and refers to the colour of the flower.
The genus Pelargonium belongs to the family Geraniaceae, a large family of 11 genera and 800 species in the subtropical and tropical world. Pelargonium occurs in S, E and NE Africa, Australia, Madagascar, Tristan da Cunha, New Zealand, St Helena and Asia. There are 219 of the 270 species in southern Africa.
Ecology
Ecology
The seeds of pelargoniums are quite interesting in that, attached to the elliptically shaped seed, is a feathered, tail-like structure that is coiled in a spiral. The tail allows the seed to drill and secure itself in the soil if twisted around by the wind or by the movement of animals.
Uses
Use
No cultural uses have been recorded. Pelargonium ionidiflorum is ideal for any garden that has constant dry soils. The plant will be well suited for an area that experiences temperature extremes between summer and winter. It can be planted among smaller herbaceous border plants in a garden bed. It is also suited for container gardening and flower boxes. It is also pretty for rockeries and the plant requires direct sunlight.
Growing Pelargonium ionidiflorum
Grow
This plant species is easy to grow from cuttings. Cuttings can be taken during any time of the year. Stem cuttings of about 100-150 mm long should be taken and a rooting hormone applied, to stimulate the rooting process. The cuttings should be rooted in a cold frame, in a well-drained medium such as coarse river sand. Rooting will take place within four weeks. Once rooted, the cuttings should be potted in a well-drained potting soil. The rooted cuttings should be given an organic liquid fertilizer on a monthly basis or be fed with an organic-based pellet fertilizer.
Sow the seed in a well-drained potting soil. Broadcast the seeds evenly in the seed tray, covering them with a layer of clean, white sand or fine milled pine bark. The depth of sowing is usually one-and-a-half times the size of the seed. Water thoroughly but gently and provide light shade. Germination usually takes place within three weeks. Pelargoniums grown from seed are generally more vigorous than those grown from cuttings; however, they take longer to flower. Pelargonium ionidiflorum does not require a lot of maintenance and will be a pleasure to have in any garden.
References
- Van der Walt, J.J.& Vorster, P.J. 1981. Pelargoniums of southern Africa, vol. 2. Juta, Cape Town.
Credits
Trevor Adams
Kirstenbosch Botanical Gardens
June 2008
Plant Attributes:
Plant Type: Shrub
SA Distribution: Eastern Cape
Soil type: Sandy, Clay, Loam
Flowering season: Sporadic/All year
PH: Neutral
Flower colour: Purple, Pink
Aspect: Full Sun
Gardening skill: Easy
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