Xylem · Botany

Which of the following is an angiosperm family known for lacking vessels in its xylem?

  1. Solanaceae
  2. Winteraceae
  3. Brassicaceae
  4. Rubiaceae
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Correct answer: Winteraceae

While most angiosperms have vessels, members of the Winteraceae family are 'vesselless' and rely on tracheids. This is considered a primitive anatomical trait within flowering plants.

Difficulty: Medium Question 9 of 20

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