Which one of the following is wrongly matched?
Puccinia -Smut
Root Exarch- protoxylem out
Cassia — Imbricate aestivation
Root pressure — Guttation
Find out the correctly matched pairs as to aestivation of petals: (i) Valvate-Calotropis, (ii) Twisted-Bean (iii) Imbricate - Cassia (iv) Vexillary-China Rose.