Each flexible stem of a lionberry plant is topped by a single inflorescence bud that can grow to giant size. The buds are composed largely of aerenchyma, tissue filled with air spaces, and in the low gravity on Pandora are quite buoyant. Plants grow in patches, which gives the appearance of a garden of floating blue balloons.
Similar to the thistle bud and hermit bud, the lionberry grows a cluster of flowers, an inflorescence, which resembles a single flower like the sunflower family on Earth. Samples of the lionberry were taken to Earth with the thistle bud and hermit bud to study their genetic relationships and possible introduction to Earth ecosystem. The plant grows stems along the ground with spiny cactus-like leaves as a defense against herbivores that would eat it. The seeds are large and a good source of protein. (Read more)