Tufted habit of Dimerias (Annuals)
Most of the Dimerias (80 %) are annuals, majority of which are laterite-loving, where as perennials prefer rocky crevices along mixed forest margins, rarely in high altitude meadows, or wet sandy plains along water courses. Monsoon plays a major role in the establishment and diversity of Dimeriinae in general. The humid tropical wet climate favours the successful growth, maximum diversity and endemism in Peninsular India.
- Annuals: Solitary (or few); Many & Tufted; Branched & Matforming
- Perennials: Tufted & rooting at lower nodes; Stoloniferous & creeping
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