Saturday 27 July 2019

Checking a recent burn at the Western Heights (Thursday 25 July 2019)

As it was close to the time of year for our annual hunt for Euphorbia bupleurifolia plants, we headed off to the recently burned portion of the Western Heights to see what had emerged since the burn some two weeks earlier. We know enough not to expect much so soon after a burn but some species emerge so quickly that delaying much longer would likely mean we would miss their flowering.

After battling along the track to the Western Heights - several small trees had blown across the track requiring some teamwork to get the obstacles out of the way - we parked and started walking towards the burned areas. Soon we were passing the delicate nodding heads of Disa baurii protruding above the unburned grass.

Discussing how to move a fallen tree (Photo: Gail B-W)

Disa baurii
Once we reached the edge of the burn we set off across the stream and wetland. It was not long before we were finding Cyrtanthus breviflorus. When this species grows in a wetland, it is anything but short and we could see many of these robust stalks. Many had already finished flowering. It is amazing how quickly these plants respond to a well-timed burn. Also present in numbers and growing in clumps were Gerbera kraussii - now sunk into the dumping ground of Gerbera ambigua.

The wetland form of Cyrtanthus breviflorus

Gerbera kraussii - now sunk into Gerbera ambigua

An emerging bud of Gerbera krausii

An emerging bud of Merwilla plumbea seeing the light of day for the first time

Once we had staggered through the heavily tussocked wetland, we emerged onto more even dry ground and started seeing little yellow flashes of Gazania krebsiana, many of which were flowering in an almost leafless state. We were lucky to catch a Gaudy Commodore butterfly sating itself on nectar from these flowers.

Gazania krebsiana

A Gaudy Commodore visiting a Gazania krebsiana
After searching for some time, Anne's shout alerted us and we walked over to see the first of the Euphorbia bupleurifolia plants of this season. When the veld is freshly burned, these plants are very obvious but once the grass and other forbs grow back, they are very hard to find. Here we also found the first of the Othonna natalensis buds.

One of the many Euphorbia bupleurifolia

Othonna natalensis bud
We walked on towards the Umtamvuna River gorge passing through an area where there were many dead stalks of small Protea caffra shrubs. Their dead flower heads shone in the winter sun and the ground was littered with their seeds. Gail and Tracy posed several rodent skulls on a bed of these seeds.

Rodent skulls on a bed of Protea seeds - sounds like a restaurant menu item (Photo: Gail B-W)
The remnants of a Protea caffra inflorescence

Just a bit more effort will do it! (Photo: Gail B-W)


We had our lunch perched above the Umtamvuna gorge and then worked our way around a hillock heading back towards the vehicles. There was a rather unusual rock sculpture at the top of the hill. As we walked on we came across several more Euphorbia bupleurifolia plants. Clustered in a crack in a rock outcrop was a small clump of Albuca setosa with emerging buds.


An agonised face sculpted in the rock

Straggling on the way home

Posed in front of the imposing cliffs above the Umtamvuna River

Albuca setosa buds

Participants: Alf H, Anne B-W, Anne S, Gail B-W, Graham G, Kate G, Maggie A, Mark G, Tracy T.

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