EVERYDAY SCIENCE

Detailed explanation-1: -Papilionaceous flowers (from Latin: papilion, a butterfly) are flowers with the characteristic irregular and butterfly-like corolla found in many, though not all, plants of the species-rich Faboideae subfamily of legumes.

Detailed explanation-2: -Butterfly-like or Papilionaceous: It is irregular, polypetalous corolla with its five petals arranged so as to resemble a butterfly. It consists of a posterior largest ‘vexillurri, two lateral ‘alae’ and two anterior fused petals called ‘keel’, as in members of Papilionaceae.

Detailed explanation-3: -So, the correct answer is ‘Fabaceae’.

Detailed explanation-4: -papilionacea (Purple Shamrock) is a bulbous plant forming a lush foliage mound of deep burgundy, trifoliate leaves that close at night and open wide to the morning light. Each leaf has the shape of a little heart but is triangular like butterfly wings.

Detailed explanation-5: -Solution : Papilionaceous (butterfly-shaped) corolla is the characteristic of Family Papilionaceae. The posterior largest petal is called standard or vexillum, overlaps two smaller lateral petal called wings or alae.