Category Archives: Vegetation

White Weeping Broom

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White Weeping Broom

White weeping brooms do not sweep or weep!

  • White weeping brooms are perennial woody shrubs from the family Fabaceae, which is the family of legumes.
  • The scientific name for the white weeping broom is Retama raetam, and it is also known as ‘White broom’.
  • White weeping brooms grow up to 3 metres (10 feet) in height and 6 (20 feet) metres in diameter.
  • In winter and spring, white weeping brooms bear numerous, clustered groups of 3 to 15 flowers that are small and coloured white .
  • White weeping brooms have small green seedpods often containing two seeds, and a single plant can produce thousands of seeds during its lifetime.

White weeping broom, white, flowers, drooping, weeping, Australia, weed, pest, Ten Random Facts

  • White weeping brooms have greyish-green foliage of droopy branches and small, mostly insignificant leaves.
  • White weeping brooms survive well during drought, possibly being the most tolerant of the three Retamas in the genus.
  • White weeping brooms are native to North Africa and the southern countries of Europe (Mediterranean countries).
  • White weeping brooms are classified as invasive weeds in some countries, particularly some parts of Australia.
  • White weeping broom seeds are often consumed by hares, who transport them to new locations, and the seeds can be seen in the ground a few years after they drop, and can readily germinate at that stage.
Bibliography:
White Weeping Broom, 2013, Lower Eyre Pest Management Group, http://www.pestandweeds.com/weed-profiles/trees-shrubs-weeds/white-weeping-broom/
White Weeping Broom (Ratama raetam), 2009, The Government of South Australia, http://www.senrm.sa.gov.au/Portals/10/Pest%20Plants%20and%20Pest%20Animals/white%20weeping%20broom%20NY%20fact%20sheet.pdf

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Illawarra Flame Tree

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Illawarra Flame Tree

The Illawarra flame tree will not cause a fire!

  • Illawarra flame trees are big trees that grow to a typical height of 20 metres (66 feet), but can grow up to 40 metres (130 feet).
  • Illawarra flame trees are deciduous and are native to the eastern coastal areas of Australia.
  • Illawarra flame trees are from the family Malvaceae, which is the family of mallows, to which hibiscus, hollyhocks, cotton, cacao and okra all belong.
  • The scientific name of Illawarra flame trees is Brachychiton acerifolius, and they are one of the 31 species in the Brachychiton genus, which also includes bottle trees.
  • When Illawarra flame trees lose all of their leaves, the tree becomes shrouded in 1 to 2 centimetre (0.4 to 0.8 inches) long red coloured, bell shaped flowers.

illawarre flame tree, Red, Flowers, Australia, Bright, Tall, Large, Ten Random Facts

  • Illawarra flame trees gr0w 10 cm (4 inch) long, dark brown seed pods and green, maple-shaped leaves.
  • Illawarra flame tree seed pods are potentially hazardous as they contain hairs that can be inhaled, irritate on contact with skin, and in the worse-case scenario, cause blindness.
  • The yellow seeds of Illawarra flame tree seeds have been eaten by indigenous Australians, who would carefully toast the seeds.
  •  ‘Illawarra flame trees’ are also known as ‘kurrajongs’ or ‘flame trees’ and they grow best in temperatures that are warm.
  • The inner bark of Illawarra flame trees has been used to create fishing line.

 

Bibliography:
Brachychiton Acerifolius, 2013, Wikipedia, http://en.wikipedia.org/wiki/Brachychiton_acerifolius
Brachychiton Acerifolius, n.d, Royal Botanic Gardens, http://www.rbgsyd.nsw.gov.au/education/Resources/bush_foods/Brachychiton_acerifolius

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Woolly Nightshade

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Woolly Nightshade

Woolly nightshades may look harmless, but they can be deadly.

  • Woolly nightshades are shrubs or small trees that generally grow up to 4 metres (33 feet) in height, however they can sometimes grow much taller than this.
  • Woolly nightshades are native to South America and can live up to 30 years.
  • Woolly nightshades have become an invasive weed where they were introduced as ornamental vegetation in New Zealand, and are also a significant problem in Australia, India, some countries of southern Africa, and many islands, particularly in the Pacific.
  • ‘Woolly nightshades’ are also known as ‘ear-leaved nightshades’, ‘flannel weeds’, ‘bugweeds’, ‘tobacco weeds’, ‘wild tobacco trees’, and ‘kerosene plants’.
  • The scientific name for woolly nightshade is Solanum mauritianum, and it comes from the Solanaceae family, which is the family of tomatoes, potatoes and nightshades.

Woolly Nightshade, green, plant, pest, weed, Ten Random Facts, Australia, Flower

  • Woolly nightshades have a hairy green stem, or trunk, with large leaves covered in very fine hairs  and smell like herbicide, especially when torn or scrunched.
  • Woolly nightshades have purple coloured flowers with yellow middles, which flower mostly in early spring, although they can flower throughout the year.
  • All parts of woolly nightshades are highly poisonous and can cause fatalities, particularly if the yellow berries are consumed, and the hairs can cause irritation to the skin.
  • Woolly nightshades can produce at least 2,000 seeds a year, which come from the yellow berries the plant produces, that are often dispersed by birds.
  • Woolly nightshades is a fast growing plant, and can be killed by cutting or uprooting the plant, and spraying with herbicide.

 

Bibliography:
Solanum mauritianum, 2013, Wikipedia, http://en.wikipedia.org/wiki/Solanum_mauritianum
Woolly Nightshade (Solanum mauritianum), n.d, Vegetation Specialists, http://www.vegetationspecialists.co.nz/woolly-nightshade.html

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Delphinium

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Delphinium

The tall, tall delphiniums.

  • There are over 400 species of Delphiniums, which is a group of tall, perennial flowering plants.
  • Delphiniums are native to the North Hemisphere, and the mountainous African tropics.
  • Delphiniums are from the Rananculaceae family, which is the family of buttercups, and are a popular garden plant due to their height in the garden and their showy flowers.
  • ‘Delphiniums’ are also known as ‘larkspurs’, however, the name ‘larkspur, usually refers to plants in the Consolida genus which is closely related and are annuals, rather than perennials.
  • The name ‘delphinium’ is from the word meaning ‘dolphin’ in Latin, which originally came from the Greek , named due to the plant’s bud and spur that resembles the shape of a dolphin.

Delphinium, Flowers, white, Blue, Garden, mutliple, Ten Random Facts, Australia

  • The flowers of delphiniums, grow on tall spikes and range from purple, pink, red, yellow, and white in colour.
  • Delphiniums have small, black coloured seeds.
  • Most delphinium plants and seeds are poisonous to humans as well as to cattle, and ingestion can be fatal, and the plant can also cause irritation to the skin, although the plant has been used in medicine.
  • Delphiniums typically grow up to 2.1 metres (7 feet) in height, athough this depends on the species.
  • Historically, parts of delphinium plants have been used to create blue dyes and inks.
Bibliography:
Delphinium, 2013, National Garden Association, <http://www.garden.org/plantguide/?q=show&id=2046>
Delphinium, 2013, Wikipedia, <http://en.wikipedia.org/wiki/Delphinium>

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May Bush

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May Bush

May bushes that flower in September in the Southern Hemisphere!

  • May bushes are ornamental, shrubby plants that belong to the genus Spiraea , that has 80 to 100 species and has its origins in the word ‘wreath’ in Greek.
  • The scientific name of the common May bush is Spiraea cantoniensis, which is native to south east China, although other species of Spiraea are native to the Northern Hemisphere, particularly eastern parts of Asia.
  • In the Northern Hemisphere, May bushes bloom in May, and thus they are named ‘May bushes’.
  • May bushes are from the family rosaceae, which is the family of roses.
  • May bushes are deciduous and typically have green leaves 2.5 to 10 centimetres (1 to 4 inches) in length, and the shrub grows up to 2.5 metres (8 feet) in height.

May bush, White, Green, Foliage, Australia, Plant, Ten Random Facts

  • May bushes contain salicylic acid, which has aided the development of the pain killer Asprin.
  • May bush flowers are very small and have five petals that are generally white, but other species have red, yellow, pink or purple flowers.
  • ‘May bushes’ are also known as ‘bridal wreaths’, due to the historical use of the bushes’ branches as wreaths.
  • May bushes like being in full sunlight and growing in moist soil.
  • May bushes usually have long arching branches which are covered in Spring in white flowers, although they are often grown in hedges, and can be trimmed and shaped effectively.
Bibliography:
Dudman P, May Bush for Spring, 2006, The Garden Guru, <http://www.thegardenguru.com.au/content/File/79_may_bush.htm>
Spiraea, 2013, Wikipedia, <http://en.wikipedia.org/wiki/Spiraea>

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Petunia

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Petunia

Pretty petunias.

  • Petunias are ornamental plants that have showy flowers, that attract insects and hummingbirds.
  • There are 35 species in the Petunia genus and they are from the family Solanceae, which is the family of nightshades, which includes tomatoes, potatoes, tobacco and eggplants.
  • Petunias are commonly hybrid annuals, with many different sizes and forms and some will flower all year.
  • Petunias are native to South America and are best grown in tropical areas.
  • Petunias are available in two main types, ‘grandiflora’ and ‘multiflora’, with grandifloras having larger but fewer flowers, and mulitfloras having plentiful but smaller flowers, and millifloras are also available which are mini plants with mini flowers.

Petunia, Pink< Purple, Red, Violet, White, Group, Lots, Flower, Ten Random Facts, Australia

  • The word ‘Petunia’ is from a native South American word ‘petun’, the name for ‘tobacco, of which it is a close relative.
  • Petunia plants range from 15 cm (6 inches) up to 120 centimetres (4 ft) in height and are generally grown from seed.
  • Petunias flowers can be white, yellow, pink, purple, red and blue in colour, as well as bicolour, and can be used as cut flowers.
  • Petunia flowers can have flowers as large as 10 cm (4 inches) in diameter, and they have five lobed petals, with varieties including double flowers and ruffled petals.
  • Petunias can be grown in the garden or in pots, and prefer sunny conditions, and to keep them flowering, dead flowers should be removed regularly.

 

Bibliography:
Petunia, 2013, Wikipedia, <http://en.wikipedia.org/wiki/Petunia>
Plant Profile: Petunia, 2011, Gardening Australia, <http://www.abc.net.au/gardening/stories/s1866725.htm>

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