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A Lijiang spruce tree near the south end of Conifer Path typically produces two types of cones: pollen-producing males and seed-producing females. This year its produced hermaphrodite conifer cones which produce both pollen and seeds.
A Lijiang spruce tree near the south end of Conifer Path typically produces two types of cones: pollen-producing males and seed-producing females. This year its produced hermaphrodite conifer cones which produce both pollen and seeds.
Botany rule # 17: all conifer cones, for the last 300 million years (give or take) are unisexual. Each cone either produces pollen (male function through sperm) or seeds (female […]
A Lijiang spruce at the Arnold Arboretum has produced a rare batch of cones that are half male, half female. Typically the tree would have separate pollen-producing male cones and other seed-making female cones.