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. Pleurothallis:  The genus name is derived from the Greek word 'pleurothallos', meaning 'riblike branches'.
flower