"Camchaya thailandica", A & B: terminal capitulescences, C: axillary capitulescence. Note that phyllaries are in 5–6 series and without margin spines. From "PhytoKeys": "This is an open access article distributed under the terms of the Creative Commons Attribution License 3.0 (CC-BY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited."