Bicollateral bundles are found in ______________.
The Cucurbitaceae family has herbaceous climbing and trailing plants. These are annual or perennial herbs. The vascular bundles where phloem is found on both sides of xylem is known as bicollateral. Phloem occurs above the metaxylem and also below the protoxylem elements in this type of bundle in stems. These types of vascular bundles are found in the plants of family-like Cucurbitaceae and Solanaceae etc.
Collateral vascular bundles are present in plants such as Malvaceae and Poaceae. Whereas Concentric amphivasal vascular bundles are present in the Liliaceae plant.
Thus, the correct answer is option A.