Identificaciones de brechtverstraete

growing in sandy geoxyle-grassland, fire affected. Something like Gardenia subacaulis? has a massive underground woody rhizome, covering several m²

in fire prone, afromontane grassland. Very small, below 10cm high. With a woody rhizome.

A Rubiaceae geoxyle with woody rhizomes and prominent nodules (sometimes blackish) on the leaves. Grows in sandy grassland.

Another Rubiaceae geoxyle... growing on shallow ferralitic soil in fire affected grasslands. Underground woody rhizomes