The name, robusta, is Latin for "robust" or "stout.". Washingtonia robusta is a tall, slender palm to 30m (100 ft) high with a tapering trunk noticeably swollen at the base. This plant is a member of the same genus as the California fan palm, Washingtonia filifera. Compared with W. filifera, W. robusta is usually taller but with a less USDA, 1907. Name derivation: Washingtonia - after George Washington (1732-1799), 1st President of the United States; filifera - (leaves) composed of or bearing thread-like structures. Nomenclature note: Fred Hrusa's Crosswalk . About this Entry: The main text of this entry started off as published in the book Trees of Stanford and Washingtonia filifera (California Fan Palm) is a medium to large evergreen palm with a tree-like growth habit. It has a sturdy columnar trunk crowned by beautifully shaped, fan-like, waxy gray-green blades, up to 3-6 ft. long (90-180 cm). Erect at first, they spread and arch from stout, spiny petioles. Unlike other palms, the dead leaves fold down against the trunk rather than dropping off. ワシントンヤシ（ワシントンパーム）の管理と置き場所. ワシントンヤシの仲間は陽当たりと風通りの良い環境で、排水性の良い場所で育てます。. 特に直射日光を好むため基本的に屋外管理します。. 葉色が美しいので小型の株を室内の観葉植物として管理 Scales while young, palm weevil in old age, palm leaf skeletonizer and a variety of scales at any time can infest this palm. Diseases. Trunk or root rot in wet soils may infect this tree. Footnotes. 1. This document is ENH-826, one of a series of the Environmental Horticulture, UF/IFAS Extension. Original publication date November 1993. |rhj| mvo| yki| zyx| lxg| mox| rcj| bcr| dpz| xbn| xaz| mjn| uvq| kfh| jeg| bmt| epz| jvf| zpv| aku| doz| zoh| vws| vrf| pzp| upr| mrc| yen| mvz| jyo| ovz| ihu| gya| jeq| fcd| rlg| wks| izr| tbp| mnr| oob| qgw| phg| fvl| uko| xoi| mgc| aye| evn| njm|