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  4. Consider the following four statements (i) ,(ii) ,(iii) and (iv) and select the right option. (i) In vexillary aestivation, the large posterior petal is called - standard, two lateral ones are wings and two small anterior petals are termed keel. (ii) The floral formula for Liliaceae is ⊕ texto+≠arrow textP3 +3 textA3 + 3 + bar textG3 (III) In pea flower the stamens are monoadelphous (iv) The floral formula for Solanaceae is ⊕ texto+≠arrow ( textP)(. 3 .) ( textC)(. 3 .) ( textA)(. 4 .) + ( bar textG)(. 2 .)

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Q. Consider the following four statements (i) ,(ii) ,(iii) and (iv) and select the right option.
(i) In vexillary aestivation, the large posterior petal is called - standard, two lateral ones are wings and two small anterior petals are termed keel.
(ii) The floral formula for Liliaceae is $\oplus \text{o}_{+}^{\nearrow} \text{P}_{3} +_{3} \text{A}_{3 + 3} + \bar{\text{G}_{3}}$
(III) In pea flower the stamens are monoadelphous
(iv) The floral formula for Solanaceae is $\oplus \text{o}_{+}^{\nearrow} \left(\text{P}\right)_{\left(\right. 3 \left.\right)} \left(\text{C}\right)_{\left(\right. 3 \left.\right)} \left(\text{A}\right)_{\left(\right. 4 \left.\right)} + \left(\bar{\text{G}}\right)_{\left(\right. 2 \left.\right)}$

NTA AbhyasNTA Abhyas 2022

Solution:

Vexillary or Descending imbricate: The posterior petal is outermost and largest. In it standard or vexillum covers two lateral petals. These two laterals covers two anterior ones. Vexillary arrangement is present in pea family. E.g. Pea, Bean.
The general characters of Liliaceae family is the flowers are bracteate, bisexual, complete, actinomorphic symmetry, hypogynous and trimerous, epiphyllous and in some plants may be epipetalous. They have polyandrous andoecium and superior ovary.