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Detail of a vessel in a Yucca leaf
Legend:
1 sclerenchyma
3 xylem
2 phloem
English name: Joshua tree
Scientific name: Yucca brevifolia
Familia: Agavaceae
Classis: Monocotyledonas
Phylum: Angiospermae
Regnum: Plantae
The vascular bundle is surrounded at both sides by a cap of sclerenchyma, giving extra strength and support
