dicotyledons 中文意思是什麼
dicotyledons
解釋
雙子葉植物類-
All trees except palms are dicotyledons.
除了棕櫚樹，所有的樹都是雙子葉植物。 -
The dicotyledons diverged at an early stage of their evolution into two main groups.
雙子葉植物在演化的早期階段就已分化為兩大支派。 -
Dicotyledons usually show a netlike arrangement whereas monocotyledons generally show a parallel distribution of vein
雙子葉植物主要為網狀脈，而單子葉植物主要為平行脈。 -
Astrosclereid an irregularly branched sclereid found in the messophyll of leaves of certain dicotyledons
星狀石細胞：在一些雙子葉植物的葉肉細胞中發現的一種不規則的分枝狀的石細胞。 -
A clearly defined endodermis is seen in all roots and in the stems of the non seed - bearing vascular plants and some dicotyledons
所有不產生種子的維管植物和一些雙子葉植物的莖中都可以清楚的顯示出這一結構。 -
Some 60 of monocotyledons and 40 of dicotyledons are polyploid, as are 90 of ferns, many bryophytes, and some algae
60的單子葉植物和40的雙子葉植物、 90的蕨類植物、多數苔蘚植物以及某些藻類，都是多倍體。 -
Angiosperms are divided into two major classes, the monocotyledons ( monocotyledonae ) and dicotyledons ( dicotyledonae ), with a small basal group known as primitive dicotyledons
被子植物可以劃分為兩個綱，單子葉植物綱和雙子葉植物綱。 -
Monocotyledons and dicotyledons are so termed because they normally conatin one and two cotyledons respectively although there are exceptions
盡管有例外的情況出現，我們通常還是根據子葉的數目為一片還是兩片而把植物分成單子葉植物和雙子葉植物。
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