Of which species of plant found on the floors of east Asian forests from eastern India, Indochina, China and Japan have 93 species been formally described, and, it is speculated, there may be 200 to 300?
Which plant genus, with species ranging from low deciduous shrubs to evergreen trees up to 18 m (59 ft) tall and native to areas of Eurasia and Africa, flowers prolifically with dense pink spikes?
What genus of about 70-75 species of flowering plants native to southern and eastern Asia and North and South America are mostly shrubs 1 to 3 metres tall, though some are small trees, and others are lianas reaching up to 30m by climbing trees?
What genus of bulbous flowering plants, native to the eastern Mediterranean region east to Iran and Turkmenistan has 3 species: litwinowii, orientalis and transcaspicus?
Evidence has been found in which cave, that modern man (homo sapiens) may have reached South-East Asia at least 60,000 years ago?
