what is corolla tube? explain with diagramw.r.t to following statement:In Catharanthus [ vinca] the growth of the style brings the stigma in contact of ripe anthers present on the mouth of corolla tube.

what is corolla tube? explain with diagramw.r.t to following statement

1.	what is corolla tube? explain with diagramw.r.t to following statement:In Catharanthus [ vinca] the growth of the style brings the stigma in contact of ripe anthers present on the mouth of corolla tube.
Answer» what is corolla tube? explain with diagram w.r.t to following statement: In Catharanthus [ vinca] the growth of the style brings the stigma in contact of ripe anthers present on the mouth of corolla tube.