When this zoning overlays the green part of the leaf it is deemed to represent a silver colour. [44] PAGS is the International Cultivar Registration Authority (ICRA) of the International Society for Horticultural Science for pelargoniums. As before the internal structure of the clades supported monophyly of some sections (Myrrhidium, Chorisma, Reniformia, Pelargonium, Ligularia and Hoarea) but paraphyly in others (Jenkinsonia, Ciconium, Peristera). A few species are also found on a few Indian Ocean islands, in Australia, Syria and tropical Africa. They have rounded leaves and bear clusters of flowers on long stalks. (a) Single flowered (S) each flower pip normally having no more than five petals. Ivy pelargoniums get their name from the resemblance of their leaves to Hedera species, (the garden ivies). Some types, popularly known in the hobby as hybrid Uniques, have been crossed with Regal pelargoniums and, as a result of this cross, are much more floriferous. Scented geraniums may be grown as annuals and repurchased each spring or they can be overwintered in frost-free areas. [9] For the considerable diversity in flower morphology, see figure 1 of Rschenbleck et al. frutetorum. Pelargoniums, although not difficult plants, are fussy about potting compost. The scent of some species growing in their natural habitat, acts as a deterrent to grazing animals who appear to dislike the emitted scent. Find many great new & used options and get the best deals for THE PELARGONIUM FAMILY: THE SPECIES OF PELARGONIUM, By William J. Webb **Mint** at the best online prices at eBay! This is usually given as a percentage, the higher the percentage the more air in a mix. Terms and Conditions The genus belongs to the family Geraniaceae and is native to South Africa, Australia and the Middle East. It is important to remember that young plants will always need less watering, because they have less developed root systems. The majority of the pelargonium species are to be found in the Republic of South Africa, mostly in the south western corner. In a mild winter a cold frame may be adequate if the temperature is monitored. In general, the definition of a species is that it breeds true, and is to be found doing this in the "wild". Where possible we have used The Pelargonium International Register and Checklist of Pelargonium Cultivars, published by the British and European Geranium Society, 2008 as a standardized guide to the names and color descriptions of the flowers. Watch for whiteflies and aphids, particularly on indoor plants. [8], Pelargonium has around 280 species. * The status of this record (as well as of any names linked with it) has been modified as part of procedures used to resolve data conflicts detected in the supplied data sets. You can increase the air in a compost using additives such as pearlite or diatomaceous earth. Plants usually stop flowering when the nighttime temperatures rise, but flowering can be greatly extended by pruning and fertilizing. Summer rainfall region of South Africa, spreading into winter rainfall region and northern Namibia, with a few species in tropical Africa, Ethiopia, Somalia, Madagascar, the Arabian Peninsula and Asia Minor. Occasionally scented types can be found in some of the other groups mentioned; for example, the Angels, having P. crispum in their genetic makeup, can often have a strong citrus scent. Although many scented leaf pelargoniums grow to a large size in the ground, their size can be controlled by keeping them in pots, and by pruning the tips during the growing season. We use cookies in order to give you the best possible experience on our website. The genus Pelargonium (Geraniaceae) includes ca. They are nicely set off by the foliage mound of scalloped leaves, adorned with a . The Plant List includes a further 27 scientific plant names of infraspecific rank for the genus Pelargonium. They are the pelargoniums most often confused with genus Geranium, particularly in summer bedding arrangements. Other foliage types are: Black or Butterfly. Please contact them if you have Regals you want identified (try sending photos first, then plants if required). Subgenus Pelargonium: Corresponds to clade A, with 167 species. [16] Linnaeus' reputation prevented further differentiation for forty years. How and when to order Pelargoniums During November Pelargoniums should be progressively dried out. The species are the forefathers of all the cultivar groups listed above. Notice: We use cookies to provide and improve our services. (f) Bird's-egg group having blooms with petals that have spots in a darker shade than the base colour, like many birds eggs. Fancy leaf leaves with marked color variation, together with or other than green. (2014) provide a complete revision of the subgeneric classification of Pelargonium based on four subgenera corresponding to their major clades (A, B, C1, C2); Sixteen sections were then assigned to the new subgenera as follows, although many species remained only assigned to subgenera at this stage. They need to be protected against temperatures in the 30's F., and below, and excessive winter rain when they are not in active growth. There are five stigmata in the style. It also allows rooted cuttings to be potted on without root disturbance. [49] Unique pelargoniums resemble upright Scented Leaf pelargoniums in being shrubby and woody evergreens. Additional descriptive terms include;[49]. Cuttings may also be taken from favorite plants in late summer for overwintering or in early spring from overwintered plants. The genus is divided into four subgenera and 16 sections characterized by several groups of chromosomes sizes and numbers. Scented geraniums are perhaps best grown in areas where the foliage can be easily brushed or touched, such as in containers (e.g., patios or decks), hanging baskets, window boxes, edgings along paths or walks or houseplants. Scent is emitted when the leaves are touched or bruised with some scents aromatic, others pungent and in a few cases, quite unpleasant. Some other Flower types within the Zonal Group.Rosebud or Noisette blooms each bloom fully double and hearted. These include Pelargonium 'Arcturus, 'Bernice Ladroot', P. 'Maria Garcia' , 'Romona Camulos', P. 'Shannon', P. 'Shanti' and others. (AFP) is an indication of how open in structure a compost is. you may click the Pelargonium quercifolium is limited to small areas, namely the towns of Oudtshoorn and Willowmore. They are generally strong growers. Most scented geraniums have clusters of small pale pink to white 5-petaled flowers that bloom in summer. They should therefore, be grown in all but the mildest areas of the U.S. with winter shelter, usually in a conservatory or greenhouse. The DNA content of species from all subgenera and sections of Pelargonium, except for the sections Subsucculentia and Campylia was estimated using flow cytometry. Pelargonium species is used in treatment of diarrhea, dysentery, fever, respiratory tract infections, liver complaints, wounds, gastroenteritis, hemorrhage, disorders of the kidney and gall bladder, malaria, inflammation, abdominal, and uterine pains. From Order to Dispatch [32], The geranium bronze butterfly is a pest of Pelargonium species. How to Cite, The Plant List A working list for all plant species. We now hold 82 species and 90 cultivars within the scented leaf and species sub groups. Nipping back will delay flowering, but will give you large well rounded, sturdy plants, which can carry dozens of flowers, rather than one leggy stem, struggling to support a single flower. In St. Louis, grow as annuals in the ground or in containers. Notice: We use cookies to provide and improve our services. Two species in East Africa and Ethiopia. Single varieties tend to have larger elongated triangular petals whereas doubles tend to have thin feathered petals that are tightly packed together. Of these 57 are accepted species names. Leaves are lobed, toothed, incised or variegated. The dwarf plant Overchurch which has a heavy bronze medallion. Thus Rschenbleck et al. This is particularly important in winter, when wet leaves will greatly increase the chances of botrytis taking hold. But they have also been crossed with the P. x hortorum group, the zonal pelargoniums, and that has increased their color range and changed their form. Winter rainfall region of South Africa and adjacent Namibia, spreading to summer rainfall area, and two species in tropical Africa. Why bother to grow them if they require so much attention? Primary HybridsA Primary Hybrid is recognised as being the resultant plant from a first time cross between two different known species. Scented leaf pelargoniums are almost classic "pass-along" plants. Kitchens and bathrooms arent ideal due to spasmodic moisture levels. Version 1 of The Plant List has been superseded. In 1774, P.cordatum, P.crispum, P.quercifolium and P.radula were introduced, followed by P.capitatum in 1790. [33], Various types of Pelargonium are regular participants in flower shows and competitive events, with numerous societies devoted exclusively to their cultivation. By continuing to use this site, you agree to our use of cookies. Pelargoniums hate poor ventilation as much as they do frost. Some of his collections were virtually identical and we are not propagating many of the previous offerings listed in previous catalogs. Although scented pelargoniums exist which have smells of citrus, mint, pine, spices or various fruits, the varieties with rose scents are most commercially important. Best in full sun, but appreciates some light shade in the heat of the day. In September, or before, if the leaves start to appear, water sparingly until the plant commences full growth. Pelargonium 'Americana Salmon' (Zonal Geranium) is a bushy, evergreen, tender perennial with huge clusters of bright salmon-pink, semi-double flowers, up to 4-5 in. Subsequent analysis with an expanded taxa set confirmed this infrageneric subdivision into two groups which also correspond to chromosome length (<1.5 , 1.5-3.0),[8] but also two subclades within each major clade, suggesting the presence of four subgenera, these correspond to clades A, B, C1 and C2 of the earlier analysis, A being by far the largest clade with 141 taxa. It has naturalised along the Mediterranean, but does not survive the winter in Westen Europe. Fancy-leaf zonal pelargoniums besides having green leaves with or without zoning, this group also have variable coloured foliage[49] that is sometimes used in classifying for exhibition purposes, e.g. If plants are left unpruned, there will be insufficient light for the lower foliage, and stagnant air will collect in the centre of the plant, greatly increasing problems with botrytis. When plants have been grown into large specimens and it is impractical to put them into a larger pot, their vigour can be maintained by removing them from their pot, rubbing off a portion of the old fibrous root and compost, and placing them back in the old pot with fresh compost. Leaves can be utilized in potpourri, cooking, and for toiletries. We have seen a 40 year old specimen, so you might want to make provision for its care in your will. 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