Midstrip

Midstrip [ Botany ]
Synonym: Midrib, Median line, Midline

Dictionary of botanic terminology - index of names

A midstrip is a non- technical word used to indicate the contrasting coloured line near the centre of each petal that radiate out from the mid-zone of some flower towards the petal apexes.

The midstrips usually correspond to the nectar guides that are a common feature in many flowers pollinated by bees.
The midstrip essentially guide the pollinators to the centre of the flower into the source of the nectar reward.

Left: Contrasting midstrips on the petals of Mammillaria lasiacantha subsp. egregia

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