The symbol used to denote trichome length was changed to an uppercase lambda. The , ⋅⋅ is often used to denote a tuple in computer science, in this case a pair. The superscripts should have been subscripts. The notation used in Equations (5)–(8) was adopted from Bergou et al’s paper. h-hat is in fact a unit vector parallel to h, and we’ve clarified the text to this point.
They also explore behaviour in much of the available parameter space.