Euphorbia colliculina raised stem-tips

    Euphorbia colliculina raised stem-tips
    Author: Ivan Lätti
    Photographer: Louis Jordaan

    The green, cylindrical stems of Euphorbia colliculina curve to somewhat erect tips in a rosette-like formation from ground-level. The secondary little rosette in picture may reflect a below-ground split in the big, concealed tuber.

    Stem surfaces are yellow green to blue green with faint reddish purple near the tips as one of the options it may take in response to growing conditions. The stem surfaces are hairless but regularly tubercled in a repeated pattern, lending allure to the plant. 

    This is clearly a hardy plant, while also somewhat susceptible to the trials and tribulations of Little Karoo climatic impact. White dots show from where the short-lived, tiny leaves have disappeared (Frandsen, 2017; Vlok and Schutte-Vlok, 2015; iNaturalist).

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