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introrse dehiscence (black) of anthers
Facing inward; turned toward the axis: introrse anthers.
(Botany) botany turned inwards or towards the axis, as anthers that shed their pollen towards the centre of the flower
[C19: from Latin introrsus, contraction of intrōversus, from intro- + versus turned, from vertere to turn]
Bot. turned or facing inward.