Thursday, 27 August 2015

FFF197 - JONQUILS

Narcissus jonquilla (Jonquil, Rush daffodil) is a bulbous flowering plant, a species of Narcissus (daffodil) that is native to southwestern Europe and northern Africa, but has naturalised throughout Europe and the United States. It bears long, narrow, rush-like leaves (hence the name "jonquil", Spanish junquillo, from the Latin juncus = "rush"). It is in the Amaryllidaceae family of plants.

In Spring it bears heads of up to 5 scented yellow or white flowers. It is a parent of numerous varieties within Division 7 of the horticultural classification. Division 7 in the Royal Horticultural Society classification of Narcissus includes N. jonquilla and N. apodanthus hybrids and cultivars that show clear characteristics of those two species. N. jonquilla has been cultivated since the 18th century in France as the strongest of the Narcissus species used in Narcissus Oil, a component of many modern perfumes.

Like other members of their family, narcissi produce a number of different alkaloids, which provide some protection for the plant, but may be poisonous if accidentally ingested. This property has been exploited for medicinal use in traditional healing and has resulted in the production of galantamine for the treatment of Alzheimer's dementia.

We are seeing all sorts of narcissi blooming in Melbourne at the moment, a clear indication of Spring's imminent arrival!

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Thursday, 20 August 2015

FFF196 - THYME PINK-BELLS

Tetratheca thymifolia, commonly known as Black-eyed Susan or thyme pink-bells, is a small shrub in the family Elaeocarpaceae found in southeastern Australia. It was first described by English botanist James Edward Smith in 1804. Its specific name is derived from the Latin word folium "leaf" and thymus "thyme". The generic name is derived from the Ancient Greek tetra "four", and theke "sac, box" and relates to the four-celled anthers.


Tetratheca thymifolia grows as a tough-stemmed shrub up to a metre high. Flowering occurs mainly from September to November but individual flowers can be seen at any time of year. The 2.5 cm diameter flowers have a strong fragrance on hot days. The species occurs in southeastern Queensland, through New South Wales and into East Gippsland in eastern Victoria, where it is found in heathland or eucalyptus woodland on sandy soils.

Introduced to horticulture in 1824 in England, Tetratheca thymifolia has been cultivated to some degree since. Several forms have been selected for horticulture, including Tetratheca 'Bicentennial Belle', which originates from a naturally occurring population near Bega, New South Wales. This form reaches 0.7 m tall by up to 0.9 m wide, and is freely suckering. It was registered with the Australian Cultivar Registration Authority in 1985 by Austraflora Nursery in Montrose, Victoria. It flowers all year, with peaks in spring and autumn., and has larger flowers than the species. Overall, Tetratheca thymifolia does best in well-drained acidic soils in a sunny or semi-shaded aspect, and tolerates light frosts. It is grown in container gardens or rockeries

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Thursday, 13 August 2015

FFF195 - SPRING STAR

Ipheion uniflorum is a species of flowering plant, related to the onions, so is placed in the allium subfamily (Allioideae) of the Amaryllidaceae. It is known by the common name spring star, or spring starflower. Along with all the species of the genus Ipheion, some sources place it in the genus Tristagma, but research published in 2010 suggested that this is not correct. It is native to Argentina and Uruguay, but is widely cultivated as an ornamental and reportedly naturalised in Great Britain, France, Australia, and New Zealand.

This is a small herbaceous perennial growing from a bulb and producing flat, shiny, green, hairless, grasslike leaves up to 30 cm long. The foliage has an onion-like scent when crushed. The stem grows up to 20 cm tall and bears a solitary showy flower in spring (hence the Latin name uniflorum - "single flower"). Each honey-scented, star-shaped flower has six pointed lobes up to 3 cm long in shades of very pale to deep purple-blue.

Ipheion uniflorum has been grown in the UK since 1820, when bulbs collected from near Buenos Aires arrived in the country. It is recommended for growing in a well-drained position outside or as a long-flowering pot plant in an unheated greenhouse. Various named forms are in cultivation, some of which may be hybrids. 'Wisley Blue' is a clear lilac blue; 'Froyle Mill' is a deeper violet blue; 'Album' is white. The cultivar 'Alberto Castillo', also white, has larger flowers and was collected in the 1980s by Alberto Castillo, the owner of Ezeiza Botanical Garden, from an abandoned Buenos Aires garden. In the USA, the species is stated to be hardy to USDA Zone 5, and is recommended for massing in borders, alpine gardens and other areas, or it can be naturalised in lawns.

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Thursday, 6 August 2015

FFF194 - DAPHNE

Daphne odora (winter daphne) is a species of flowering plant in the family Thymelaeaceae, native to China, Japan and Korea. It is an evergreen shrub, grown for its very fragrant, fleshy, pale-pink, tubular flowers, each with 4 spreading lobes, and for its glossy foliage. It rarely fruits, producing red berries after flowering. The Latin specific epithet odora means "fragrant".

It grows best in fertile, slightly acid, peaty, well-drained soils. It grows in full sun or partial shade, and is hardy to −10 °C, possibly lower. In Korea, the plant is also poetically called "churihyang" - a thousand mile scent - referring to the fragrance of the foliage. In Japan, the plant is more commonly known as "jinchoge".

Plants are not long lived, senescing within 8 to 10 years. Daphne generally do not react well to root disturbance, and may transplant badly. D. odora is also susceptible to virus infection, which causes leaf mottling. All parts of the plant are poisonous to humans and a range of domestic animals and some people experience dermatitis from contact with the sap. Daphne odora is propagated by semi-ripe cuttings in summer.

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