Question
Biology Question on The Flower
The presence of corollary corona, sagittate anthers and dumb-bell shaped stigma are the characteristic features of_____________
A
Hibiscus rosa-sinensis
B
Musa paradisiaca
C
Ravenala madagascariensis
D
Catheranthus roseus
Answer
Catheranthus roseus
Explanation
Solution
Catharanthus roseus (Vinca rosea) belongs to Apocynaceae family (Oleander family). It is commonly known as periwinkle. It is an ever blooming herb with pink and white flowers. It yields an alkaloid named vinca leucoblastine (VLB) and vincristine (VC) used in studies on cell division. It has corollary corona, sagittate anthers or arrow shaped anthers and its stigma is capitate or dumb
bell shaped.