Evolutionary history of plants and radially symmetrical, is an integumented megasporangium surrounded by a cupule. The megasporangium bears an unopened distal extension protruding above the multilobed integument. It is suspected that the extension was involved in anemophilous pollination. "Runcaria" sheds new light on the sequence of character acquisition leading to the seed. "Runcaria" has all of the qualities of seed plants except for a solid seed coat and a system to guide the pollen to the ovule. The first spermatophytes (literally: "seed plants") – that is, the first plants to bear true seeds – are called pteridosperms: literally, "seed ferns", so called because their
Stevie Wonder's Journey Through "The Secret Life of Plants" Stevie Wonder's Journey Through "The Secret Life of Plants" Stevie Wonder's Journey Through "The Secret Life of Plants" is an album by Stevie Wonder, originally released on the Tamla Motown label on October 30, 1979 (see 1979 in music). It is the soundtrack to the documentary "The Secret Life of Plants", directed by Walon Green, which was based on the book of the same name by Peter Tompkins and Christopher Bird. Wonder created the film score by having Michael Braun, the film's producer, describe each visual image in detail, while the sound engineer, Gary Olazabal, specified the length of a