What type of plant are both Chlidanthus from tropical South America and Pleurothallis derived from a Greek word meaning 'riblike branches'?
Chlidanthus: Chlidanthus is a genus that consists of 10 species of tender bulbs from tropical South America, mostly natives to the Andes. Chlidanthus:  The botanical name comes from the Greek, meaning "delicate flower". Pleurothallis: Pleurothallis, abbreviated Pths in horticultural trade, is a genus of orchids commonly named bonnet orchids.
i don't know