Mature succulents can develop bare lower stems and branching crowns, giving familiar rosettes a very different silhouette. The photographs show growth forms; exact ages cannot be established from appearance alone.
Blue pine

(Picture Author: a cloud source: Dream Garden)
Purple dream

Ji Haoyue

(Photo Author: Little Pumpkin Source: succulent plant app)
Baby finger

Bargainy Yueyue

Queen Fan

Purple cashmere

Special jade lotus

Debbie

Raul

(Photo Author: Dianwei Moral Source: Network)
Peach

Peach egg

Ji Qiuli

paper windmills

Marcus

Female

Moonlight Goddess

Jin Huangxing

Related reading: Summer Succulent Care: Active Growth and Resting Plants.