These beautiful plants are globe shaped and are speckled with white scales and flecks. As it ages, the plant becomes columnar. Origin and Habitat: Highlands of central and northern Mexico (states of Nuevo León, San Luis Potosí and Tamaulipas). Altitude: It grows at elevations ranging from 750 to 1500 metres above sea level.

Astrophytum myriostigma is a spineless cactus defined by the presence of three to seven (usually five) pronounced vertical ribs which define the cactus' shape when young (the genus name "astrophytum", literally, "star plant", is derived from the resulting star-like shape).

Astrophytum myriostigma is a spineless cactus with a bright green, typically solitary stem densely covered with tiny white woolly scales. Initially, the stem is round with five broad, prominent ribs that taper to an acute point.

鸾凤玉（学名：Astrophytum myriostigma Lem.）是仙人掌科星球属多年生肉质草本植物，植株单生，呈球形至长球形，表面密布细小的白色绒毛，呈星点状。 通体具3-8条肥厚的肉质棱，棱直，棱脊呈三角状，表皮密被白色丛卷毛。

Astrophytum myriostigma, commonly called bishop's hat or bishop's cap cactus, is a spinless cactus native to rocky, calcareous soils of the northern and central Mexican uplands at elevations from 2500-5000' above sea level. The rounded to oval shaped plants are unbranched and typically have five (rarely four and up to eight) broad, prominent ...

Astrophytum myriostigma var. strongylogonum Backeb. Accepted Scientific Name: Astrophytum myriostigma Lem. Cact. Gen. Sp. Nov. 4 (-6). 1839 [Feb 1839] Lem. Origin and Habitat: Border of San Luis Potosi and Tamaulipas, in the Tampico area. Type locality: Mexico, San Luis Potosi (In the valley, near Estación Villar), in the East part of the state.

Astrophytum myriostigma var. tulense is a naturally occurring variation of Astrophytum myriostigma. It is characterized by its columnar stems, reaching heights of up to 90 cm. This variety typically has five twisted ribs and is covered with dense white flecks.

Description: Koh-yo (koo-yo or kôyo) is an odd Japanese variety with colourful bodies that take its name from the colours of the leaves in autumn. The old part of the stem is green, but new growth is bright yellow and red with a wide range of intermediate colours.

Astrophytum myriostigma, also known as Bishop's Cap Cactus or Star Cactus, is a small and slow-growing cactus species native to Mexico. It is characterized by its distinctive star-shaped appearance and unique markings on its body.

Widely grown, Astrophytum myriostigma (Bishop's Cap) is a spineless cactus, often solitary, forming a spherical or shortly columnar, chalk-white or silvery-gray stem. Usually adorned with prominent 5 ribs, it forms a perfect star shape giving the plant the appearance of a bishop's miter, hence the common name.