Dudleya

...For stem species, the stem is cut into pieces, allowing the shoots to sprout, which are then removed for propagating cuttings.
[associated species]
The genus Dudleya , which has 40 species from California to Mexico, has many species with white powder, and the flowers are usually white, with weakly fused petals. Eleven species of the genus Pachyphytum and 12 species of the genus Graptopetalum , which are native to Mexico and have highly fleshy leaves, are also cultivated for decorative purposes, just like Echeveria.

*Some of the terminology that mentions "Dudleya" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…有茎種は胴切りをして子吹きさせ，それをはずして挿木する。
［近縁属］
　カリフォルニアからメキシコに40種あるダッドレヤ属Dudleyaは白く帯粉する種が多く，花はふつう白色で，花弁の合着は弱い。メキシコ産で葉が高度に多肉化したパキフィツム属Pachyphytum11種とグラプトペタルム属Graptopetalum12種などもエケベリア同様に観賞用に栽培される。…

※「Dudleya」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