…Aerial roots that have developed a special structure for ventilation are called respiratory roots, and some have well-developed intercellular spaces in the cortex. The Selaginellaceae and Ceratophyllaceae families have a special structure called a rhizophore, which can be seen as a modified root or stem. They grow ventral to the branching point of the stem, and are similar to roots in terms of their geotropism and internal structure, but they are similar to stems in that they branch out exogenously from the stem and do not have a root cap or root hairs. … *Some of the terminology that mentions "rhizophore" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…気根のうち通気のために特別の構造をもつようになったものが呼吸根respiratory rootで,皮層に細胞間隙がよく発達したものなどがある。 イワヒバ科やミズニラ科には担根体rhizophoreとよばれる特殊な構造があり,根の変形とみられたり,茎の変形とみられたりする。茎の分岐点の腹側に伸び,屈地性をもつことと,内部構造については根とよく似ているが,茎から外生的に分出すること,根冠も根毛ももたないことなどでは茎と似ている。… ※「rhizophore」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
>>: Rhizopus stolonifer (English spelling) Rhizopus stolonifer
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