Most of these rare plant species are incapable of reproducing unless insects, usually native bees, move pollen from shedding anthers of one flower to receptive stigmas of other flowers, usually on different plants.
(Most of these rare plant species; are; incapable of reproducing) (insects; move; pollen; from shedding anthers of one flower)
Most of these rare plant species insects
are move
incapable of reproducing
pollen from shedding anthers of one flower