Rhus lancea leaves - Black Karee - Botanical illustration

W&N watercolour on Amedeo 200gsm mixed media paper
Leaves of a Black Karee tree in my garden (Tarlton, Gauteng, South Africa)

Indigenous to Southern Africa, this tree is a bit untidy with a weird growing habit of the branches backing up on one another and having most of its leaves right at the tip of the branches. It has a graceful, weeping form and dark, fissured bark that contrasts well with its long, thinnish, hairless, dark-green, tri-foliate leaves with smooth margins. The small, inconspicuous flowers are presented as much-branched sprays which are greenish-yellow in colour and are produced from June until September.

The fruit are small (up to 5mm in diameter), round, slightly flattened and covered with a thin fleshy layer which is glossy and yellowish to brown when ripe. The fruits are produced from September until January, and during that time, my garden is a total mess! And if it happens to rain a lot, I have hundreds of seedlings sprouting up throughout the garden. And yet I have never been able to remove one and grow it successfully …

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Gum leaves - Botanical illustration

W&N watercolour on Amedeo 200gsm

Dedicated to all Eucalypt and Bee-lovers.

A recent study by the SA National Biodiversity Institute (Sanbi) in South Africa has found that gum trees provide nectar and pollen for swarms of commercial bees – and bees in turn pollinate about 50 food crops in the country. This “service” bees provide is worth about R10.3 billion a year.

Gum trees are not only important food for bees, but so are many roadside wildflowers, crops, suburban flowering plants and those that many regard as weeds. A major reason for the decline of honey bees around the world is a lack of good forage plants to provide nectar, which is the carbohydrate in the bees’ diet, and pollen the protein. Bees collect nectar from Blue Gum tree blossoms from spring to late summer.

A lack of good quality and variety of forage plants can lead to unhealthy honey bee colonies that are more vulnerable to pests and diseases.

This in turn can lead to insufficient pollination of our important agricultural crop flowers, leading to a decreased yield or quality of the food crop, Insect pollinators are needed for 35 percent of all food production globally – or one of every three bites you eat.

Although most Bluegums have been declared as an invasive species in South Africa, Beekeepers are highly dependent on eucalyptus and if they are all removed because they are aliens it would mean a serious shortage of food for bees – with a knock-on effect on crop pollination.

Because of this, the Department of Environmental Affairs’ legislation on alien and invasive species, updated in 2014, is “nuanced” for eucalyptus trees, not requiring all of them to come under the axe or chainsaw.

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Dark reaction

Acrylic on canvas

The dark within awakes.
My very breath it takes.

Bloody black feelings stir
growing shadowy black fur.

A drop of hate -
A torrent of anger -

A sheet of darkness -
A shard of light-

I lost track.
~ Mau Rose

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