Saturday 17 August 2019

Pondoland CREW go canyoning down to the Swamp Forest stream (Thursday 15 August 2019)

With three weeks having passed since we last visited the burn at the Western Heights, we decided to return to see what progress there had been. At the edge of the Swamp forest we found a population of Hibiscus diversifolius in flower and nearby were several Tephrosia shiluwanensis. Close to the stream there were Aristea ecklonis in flower.

Hibiscus diversifolius

Tephrosia shiluwanensis

Aristea ecklonis

We crossed the stream into the wetland beyond to find several clumps of Eriospermum cooperi just starting to flower. Surrounding these were many Ledebouria cooperi huddled close to the ashy ground. There were one or two remaining Cyrtanthus breviflorus and the Merwilla plumbea flower stalks were about 750 mm tall and the flowers were close to opening.

Eriospermum cooperi

Ledebouria cooperi

Merwilla plumbea buds

We crossed back to the drier side of the stream for easier going but soon crossed again where we found Indigofera rubroglandulosa, Pentanisia prunelloides and some very hairy Acalypha peduncularis emerging in the previously burnt grassland.

Pentanisia prunelloides

Indigofera rubroglandulosa

Acalypha peduncularis

We reached a side stream where we found Glenlisea hispidula, Utricularia prehensilis and Drosera natalensis growing out of the damp moss. Here we found a Disa tripetaloides with markedly pink flowers, far more so than its many pure white counterparts growing alongside the main stream.

Genlisea hispidula

Disa tripetaloides

Drosera natalensis with prey remains

Eriocaulon dregei

Utricularia prehensilis

We walked over the next hillock where Alf found Euphorbia bupleurifolia with flower remnants. We than started finding more of these elusive plants, some bearing fruits. Also in this area were Euphorbia striata.


Euphorbia striata

Euphorbia bupleurifolia fruits

We found a sheltered spot next to a small forested gully where we had lunch. Tempted by the forest patch, we found a way into to the very rocky but mostly dry streambed and followed this downwards, passing a Ficus craterostoma on the way. Without realising it we had found a fairly easy way (to canyon) into the rather deep gorge of the Swamp Forest stream, just below the Cascades swimming pool. This gave us a great opportunity to explore new territory and enjoy views of waterfalls, pools and narrow gorges. On the way down to the lower pools we passed a hanging vine of Petopentia natalensis. This may be a route down to the Umtamvuna River, although it will not be possible to reach it without getting wet - a prospect for warmer weather later in the season!

Ficus craterostoma

The bed of the Swamp Forest stream

Gazing up at the gorge slopes above

Heading downstream

Petopentia natalensis


The next pool down

Looking down towards the final pool in the deep gorge

Heading upstream

Climbing above a waterfall

A tempting pool

We headed upstream, eventually reaching the bottom of the Cascades swimming pool. Here we clambered up the steep slope out of the gorge and back to our lunch spot where we collected our bags and turned our noses towards home. On this sun-baked slope out of the gorge we found several Lasiosiphon kraussianus flowering.

The bottom of the Cascades swimming pool

Lasiosiphon kraussianus

Gail - one of the first out of the gorge

Once above the steeper part of the stream bed, the stream was much more tranquil. We found a few of the first Senecio caudatus in a wet spot and further along we came across a small population of Aspalathus gerrardii, some of which were in flower.

A more tranquil part of the stream

Senecio caudatus

Aspalathus gerrardii


Participants: Alf H, Anne S, Dorothy M, Gail B-W, Graham G, Kate G, Tracy T.

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