| Pelargonium radens | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Geraniales |
| Family: | Geraniaceae |
| Genus: | Pelargonium |
| Species: | P. radens |
| Binomial name | |
| Pelargonium radens | |
Pelargonium radens, the rasp-leaf pelargonium [1] is a species of Pelargonium . It is in the subgenus Pelargonium along with Pelargonium crispum and Pelargonium tomentosum .
Pelargonium radens is an evergreen perennial plant, growing to up to 1.5 m (4 ft 11 in) high. It has deeply cut triangular scented gray-green leaves and in the summer bears clusters of small pink-purple flowers, followed by small curly-tailed brownish seeds. It is originally from the southern and eastern Cape, South Africa, where it grows in ravines or gorges near streams or among shrubs on mountainsides. [2]
Pelargonium comes from the Greek; Pelargos which means stork. Another name for pelargoniums is storksbills due to the shape of their fruit. Radens refers to the coarse, rasp leaves.
There are a few cultivars and hybrids of Pelargonium radens. These include:
Traditionally the edible leaves were used as a flavoring in jellies and in herbal teas. An essential oil extracted from the leaves and flowers is used commercially as a food flavoring and additive (geranium oil, rose geranium oil). This essential oil is classified as Generally Recognized as Safe by the US FDA when small quantities are added to foods.
Pelargonium radens is used as a house plant. It is also cultivated as an ornamental in, e.g., North America, in USDA hardiness zones 10–11. Propagation is by seeds and stem cuttings.
Salvia rosmarinus, commonly known as rosemary, is a shrub with fragrant, evergreen, needle-like leaves and white, pink, purple, or blue flowers, native to the Mediterranean region. Until 2017, it was known by the scientific name Rosmarinus officinalis, now a synonym.
A rose is a woody perennial flowering plant of the genus Rosa, in the family Rosaceae, or the flower it bears. There are over three hundred species and tens of thousands of cultivars. They form a group of plants that can be erect shrubs, climbing, or trailing, with stems that are often armed with sharp prickles. Flowers vary in size and shape and are usually large and showy, in colours ranging from white through yellows and reds. Most species are native to Asia, with smaller numbers native to Europe, North America, and northwestern Africa. Species, cultivars and hybrids are all widely grown for their beauty and often are fragrant. Roses have acquired cultural significance in many societies. Rose plants range in size from compact, miniature roses, to climbers that can reach seven meters in height. Different species hybridize easily, and this has been used in the development of the wide range of garden roses.
Camellia is a genus of flowering plants in the family Theaceae. They are found in eastern and southern Asia, from the Himalayas east to Japan and Indonesia. There are 100–300 described species, with some controversy over the exact number. There are also around 3,000 hybrids. The genus was named by Linnaeus after the Jesuit botanist Georg Joseph Kamel, who worked in the Philippines and described a species of camellia. Camellias are famous throughout East Asia; they are known as cháhuā in Chinese, tsubaki (椿) in Japanese, dongbaek-kkot (동백꽃) in Korean, and as hoa trà or hoa chè in Vietnamese.
Pelargonium is a genus of flowering plants which includes about 280 species of perennials, succulents, and shrubs, commonly known as geraniums, pelargoniums, or storksbills. Geranium is also the botanical name and common name of a separate genus of related plants, also known as cranesbills. Both genera belong to the family Geraniaceae. Carl Linnaeus originally included all the species in one genus, Geranium, and they were later separated into two genera by Charles Louis L'Héritier de Brutelle in 1789.
Aloysia citrodora, lemon verbena, is a species of flowering plant in the verbena family Verbenaceae, native to South America. Other common names include lemon beebrush. It was brought to Europe by the Spanish and the Portuguese in the 17th century and cultivated for its oil.
Rose oil is the essential oil extracted from the petals of various types of rose. Rose ottos are extracted through steam distillation, while rose absolutes are obtained through solvent extraction, the absolute being used more commonly in perfumery. Even with their high price and the advent of organic synthesis, rose oils are still perhaps the most widely used essential oil in perfumery.
Lavandula angustifolia, formerly L. officinalis, is a flowering plant in the family Lamiaceae, native to the Mediterranean. Its common names include lavender, true lavender or English lavender ; also garden lavender, common lavender, and narrow-leaved lavender.
Rosa × damascena, more commonly known as the Damask rose, or sometimes as the rose of Castile, is a rose hybrid, derived from Rosa gallica and Rosa moschata. Further DNA analysis has shown that a third species, Rosa fedtschenkoana, is associated with the Damask rose.
Pelargonium graveolens is a Pelargonium species native to the Cape Provinces and the Northern Provinces of South Africa, Zimbabwe and Mozambique. It is in the subgenus Pelargonium along with Pelargonium capitatum,Pelargonium crispum, Pelargonium tomentosum and Pelargonium quercifolium.
Thymus citriodorus, the lemon thyme or citrus thyme, is a lemon-scented evergreen mat-forming perennial plant in the famly Lamiaceae. There has been a great amount of confusion over the plant's correct name and origin. Recent DNA analysis suggests that it is not a hybrid or cross, but a distinct species as it was first described in 1811.
Pelargonium peltatum is a scrambling perennial plant with shallow or deeply five lobed, circular to heart-shaped, somewhat fleshy leaves, sometimes with a differently coloured semicircular band, that has been assigned to the cranesbill family. It carries umbel-like inflorescences with 2–10, white to mauve, bilateral symmetrical flowers, each with a "spur" that is merged with the flower stalk. It is known by several common names including ivy-leaved pelargonium and cascading geranium. It is native to southern and eastern South Africa. In its home range, it flowers year round but most vigoriously from August to October.
Pelargonium quercifolium is a species of geranium known by the common name oakleaf geranium or oak-geranium. It is native to South Africa, and it is a commonly grown ornamental plant. It is in the subgenus pelargonium along with Pelargonium crispum and Pelargonium tomentosum.
Pelargonium capitatum is one of several species known as rose geranium or rose-scented pelargonium in English. The popular names refer to the scent of the essential oils extracted from glandular tissue, not the flowers, which have hardly any scent to speak of. Some of the species are known as kusmalva in Afrikaans.
Pelargonium × hortorum,, is a nothospecies of Pelargonium most commonly used as an ornamental plant. It is a hybrid between Pelargonium zonale and Pelargonium inquinans. They are the group of Pelargonium cultivars, with leaves marked with a brown annular zone and inflorescence in the form of large balls of tight flowers, usually red, pink or white. These are the most common geraniums of garden centers and florists, sold in pots for windowsills and balconies or planted in flowerbeds.
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", "zonal geranium" or "zonal pelargonium".
Pelargonium crispum is a Pelargonium species native to the Western Cape Province, South Africa. It is in the subgenus Pelargonium along with Pelargonium graveolens and Pelargonium capitatum and Pelargonium tomentosum.
Pelargonium tomentosum, the peppermint-scented geranium, is a pelargonium species native to South Africa. It is in the subgenus Pelargonium along with Pelargonium graveolens, Pelargonium crispum and Pelargonium capitatum.
Pelargonium odoratissimum is a pelargonium species native to South Africa. It is also known as the apple geranium or apple pelargonium due to the distinct apple scent. It is in the subgenus Reniforme along with Pelargonium sidoides and Pelargonium exstipulatum.
Pelargonium inquinans, the scarlet geranium, is a species of plant in the genus Pelargonium, that is indigenous to the south-western Cape of South Africa. It is one of the ancestors of the hybrid line of horticultural pelargoniums, referred to as the zonal group. They can easily be propagated by seeds and cuttings.
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