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Based on the hypothesis that highly succulent plants in their entirety could be compared with fruits, the correlation between their special formation of shoots, flowers, thorns, fruits and leaves… Read More

Some botanical observations on the origin of functionality through degeneration

The obvious correlation between the special form of a plant species and its living conditions easily leads… Read More

The metamorphosis of antler forms

Among the many forms of antlers there is a formative law that is common to them all, an 'archetype' in the Goethean sense. Firstly, this 'archetypal… Read More

The ’typus’ between irrationality and rationality - or: the secret law of chickweed wintergreen (‘star-flower’, Trientalis europaea)

The theory of phyllotaxis, the positions of leaves on… Read More

Periphery and centre — indicators for inversions in plant growth

Goethe said 'that nature has no secrets that she does not somewhere present naked to the eyes of the attentive observer' (… Read More

Nodes and internodes — on Goethe’s concept of the spiral tendency

Starting from the interesting phenomenon of biastrepsis (‘Zwangsdrehung’), the helical twisting of shoots, in which the… Read More

Traces of Chronos in the root region

Close investigation of rhythmic geniculation in root systems reveals cyclic processes of generation. Distinct roots repeatedly cease and are succeedecl… Read More

Streptocarpus with a brood leaf

In the genus Streptocarpus (Gesneriaceae) the usual generation of new leaves on the shoot is more or less replaced by a generation of new leaf parts on the… Read More