Aeonium undulatum
Encyclopedia
Aeonium undulatum is one of the larger aeonium
Aeonium
Aeonium is a genus of about 35 species of succulent, subtropical plants of the family Crassulaceae.The name comes from the ancient Greek "aionos" ....

s with the rosette often over a metre from the ground on a single stem. Other rosettes do not branch off this stem (normally) but grow from the bottom, unlike most aeoniums. The plant is monocarpic
Monocarpic
Monocarpic plants are those that flower, set seeds and then die. Other terms with the same meaning are hapaxanth and semelparous. The term was first used by Alphonse de Candolle....

 so the flowering stem will die when it flowers which is normally after about 5 years.

The specific epithet
Botanical name
A botanical name is a formal scientific name conforming to the International Code of Botanical Nomenclature and, if it concerns a plant cultigen, the additional cultivar and/or Group epithets must conform to the International Code of Nomenclature for Cultivated Plants...

 "undulatum" comes from the Latin unda, meaning "wave," and refers to the wavy leaves.. Other names include Sempervivum undulatum, Sempervivum youngianum, and "saucer plant"

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK