conjoint and collateral vascular bundles
Answers
A type of conjoint vascular bundle where xylem is arranged towards the interior (adaxial) and the phloem arranged towards the exterior (abaxial). Collateral vascular bundles are the most common type of vascular bundle.
collateral vascular bundles
A vascular bundle is a part of the transport system in vascular plants. The transport itself happens in vascular tissue, which exists in two forms: xylem and phloem. Both these tissues are present in a vascular bundle, which in addition will include supporting and protective tissues.
collateral bundle. (botany) A vascular bundle in which the phloem and xylem lie on the same radius, with the phloem located toward the periphery of the stem and the xylem toward the center.
conjoint
Xylem and phloem lie on the same radius. There are two types of conjoint bundles. Collateral
a) Collateral
Xylem lies towards the centre and phloem
lies towards the periphery.
When cambium is present in collateral
bundles, it is called open. e.g. dicot stem and
collateral bundle without cambium is called
closed. e.g. monocot stem.
b) Bicollateral
In this type of bundle, the phloem is
present on both outer and inner side of xylem.
e.g. Cucurbita
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