Specimen of 'lightning seaweed' on the rocky shores at low tide. Unknown location, South Africa (2021). Plants dark brown to yellowish-brown, with tough rather than rubbery texture, comprising a prominent, woody, conical holdfast bearing one or more main axes that, in turn, bear primary lateral branches with distichous, alternating arrangement of leaves - rarely, second… Continue reading Lightning seaweed (Oerstedtia scalaris)
Tag: Ochrophyta
Different-leafed sargassum (Sargassum incisifolium)
Specimen of sargassum found in a rock crevice. Cape Agulhas, Western Cape (2020) - iNaturalist Bushy yellow-brown plants with a triangular stem, small air-floats and two types of blades, attached to the substrate by a large conical holdfast that bears one or several strong perennial stems. The lower 'leaves' are oval and marginally toothed, while… Continue reading Different-leafed sargassum (Sargassum incisifolium)
Starred cushion (Iyengaria stellata)
Star cushion alga in a rock pool. Cape Agulhas, Western Cape (2020) - iNaturalist Plants yellow-brown, forming thin, globose cushions of compacted branching tubes, irregularly furrowed and convoluted. Surface covered with knobbly protuberances. Thalli at first solid but older plants becoming hollow in the center. Up to 10 cm in diameter and 3 to 4… Continue reading Starred cushion (Iyengaria stellata)
Ralfsia (Ralfsia verrucosa)
Details of the concentric rings of Ralfsia, with some missing patches (probably grazed). Cape Agulhas, Western Cape (2020). Ralfsia verrucosa can be considered an inactive taxon by some (for example, on iNaturalist). It is then replaced by Pseudoralfsia verrucosa. Forms flat patches or irregular, concentric rings. Brown, grading to khaki, with pale edges. About 1… Continue reading Ralfsia (Ralfsia verrucosa)
Dead-man’s finger (Splachnidium rugosum)
Wrinkling dead-man's fingers in a rock crevice. Hondeklipbaai, Northern Cape (2020) - iNaturalist Swollen yellow-brown, finger-like bladders, filled with thick, clear slimy mucilage, turgid when wet and becoming withered and wrinkled when dry. The main stipe is swollen with many similarly shaped side branches which are constricted at their point of origin and rounded at… Continue reading Dead-man’s finger (Splachnidium rugosum)
F*CK FISH 