通常所谓的叶子,多指营养叶而言,是着生在节上进行光合作用的一种器官。叶子有许多变态,总称为叶性器官,芽鳞即是叶性器官之一,像营养叶,由茎端的原基发生,它与营养叶是连续同源的。 芽鳞是越冬鳞芽外面的几层叶,呈鳞片状,起保护初生叶、叶原基和分生组织,避 The so-called leaves, multi-finger vegetative leaves, is an organ that is involved in photosynthesis at the festival. There are many foliage metamorphosis, collectively referred to as leafy organs, bud scales that is one of the leafy organs, like vegetative leaves, stems by the base of the primordium, which is continuous with the vegetative leaves are homologous. Bud scales are the outer layers of the leaves of the overwintering buds, was scaly, play a protective role of primary leaves, leaf primordia and meristems, avoid