Even after a total death a small part of the plant in their entire cross-section, need not wither away also the rest of the plant above it, because the dead tissue is able to continue successfully perform the functions of vascular tissues and manage plant metabolism between roots and the rest of the plant.
Kama ni Poaceae kwa mfano baadhi ya maeneo ya mabua, lakini sehemu ya pia Leafs au Mwiba. Hata baada ya kifo na sehemu ndogo ya jumla na kupanda katika sehemu ya msalaba-yao Mzima, haja si umenyauka pia mapumziko ya kupanda juu ya hayo, kwa sababu tishu wafu ni Muweza wa mafanikio kuendelea kutekeleza majukumu ya tishu mishipa na kusimamia kupanda kimetaboliki Kati ya mizizi na wengine wa kupanda.