List and describe any two vegetative propagules in flowering plants.

Slipa Sha · 30th Mar 2019 .

Rubina Mitra · 30th Mar 2019 .

1. Two vegetative propagules in flowering plants are :

(i) roots and

(ii) rhizomes

.

(i) Roots : Modified tuberous roots of sweet potato, tapioca, yam, Dahlia and Asparagus can be propagated vegetatively when planted in soil. The buds present on the roots grow into leafy shoots above ground and adventitious roots at their bases. Adventitious buds develop on the ordinary roots of Dalbergia sisso, Populus, guava, etc., and grow to form new plants.

Rhizomes : Rhizomes are underground modified stems that serve as means of vegetative propagation by perennating under unfavourable conditions. They produce new aerial shoots during the favourable season. Typha, Canna, ginger, turmeric, lotus, Saccharum, water hyacinth and many other plants propagate vegetatively with the help of rhizomes.

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