Listing 1 - 2 from 2 for medullary bundles
Angiosperm Families - Implicit Attributes
... containing mucilage cells; without sclerenchymatous idioblasts. Stem anatomy. The cortex without cristarque cells. Cortical bundles absent. Medullary bundles absent. Internal phloem absent. The secondary phloem not stratified. Xylem without tracheids; without fibre tracheids ...
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Angiosperm Families - Acanthaceae Juss.
... or superficial. Nodes unilacunar. Primary vascular tissue bicollateral, or centrifugal. Cortical bundles absent. Medullary bundles present (rarely), or absent. Internal phloem present, or absent. Secondary thickening ... ; with vessels. Vessel end-walls simple. Vessels without vestured pits. Primary medullary rays narrow. Wood diffuse porous; not storied; parenchyma paratracheal. Reproductive type, ...
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