Question

Haematoxylum campechianum, the heartwood, of which dye 'haematoxylin' is yielded, belongs to

• A. Papilionaceae
• B. Caesalpiniaceae
• C. Mimosaceae
• D. Cucurbitaceae

Answer 1

The correct option is B Caesalpiniaceae

• Haematoxylum is a genus of flowering plants in the legume family, Fabaceae, subfamily Caesalpinioideae and the tribe Caesalpinieae.
• Caesalpinioideae is a botanical name at the rank of sub-family, placed in the large family Fabaceae or Leguminosae.
• Its name is formed from the generic name Caesalpinia. It is known also as the peacock flower subfamily.
• The Caesalpinioideae are mainly trees distributed in the moist tropics.
• Hence, Haematoxylum campechianum, the heartwood, of which dye 'haematoxylin' is yielded, belongs to Caesalpiniaceae.
• So, the correct answer is 'Caesalpiniaceae'.