1. Having or consisting of a single stele (the central vascular cylinder of a plant stem).
Usage: botany; technical

Examples

• The monostelic stem of the fern contains one continuous vascular bundle.
• In monostelic plants, the xylem and phloem are organized within a single stele.
• Early botanists distinguished monostelic from polystelic plant structures.
• The monostelic condition is common in many herbaceous plants.