1. Plural of ochrea; tubular sheaths formed by the fusion of stipules around a stem in certain plants.
Usage: botanical term; plural form

Examples

• The ochreas on the buckwheat plant protect the developing leaves.
• Botanists examined the ochreas to identify the plant species.
• The distinctive ochreas of this genus make it easy to recognize in the field.
• Young stems often display prominent ochreas before they mature.
• The ochreas eventually break apart as the stem grows thicker.