A Glumicalyx montanus plant may take its time over growing many branches. Branching occurs mostly low down. Curving up from the base, the upper stem parts below the inflorescences are mostly erect (Springer, 2019: The role of pollinators as ecological drivers of diversification in the Drakensberg Mountain Centre endemic genus Glumicalyx (Scrophulariaceae, Limoselleae), University of the Witwatersrand; Trauseld, 1969; iNaturalist; JSTOR).