Petrocosmea are evergreen perennials characterized by low rosettes of thick, sometimes fuzzy, lanceolate or rounded foliage. In spring, they bear small clusters of five-lobed, tubular to bell-shaped blossoms.

Petrocosmea

Petrocosmea 'Fluffer Nutter'

Petrocosmea 'Ht-2'

Petrocosmea 'Keystone's Angora'

Petrocosmea 'Keystone's Bantam'

Petrocosmea 'Keystone's Barnswallow'

Petrocosmea 'Keystone's Belmont'

Petrocosmea 'Keystone's Blue Jay'

Petrocosmea 'Keystone's Harvest Moon'

Petrocosmea 'Keystone's Lafayette'

Petrocosmea 'Keystone's Magic'

Petrocosmea 'Milan' smooth-leaved

Petrocosmea 'Momo'

Petrocosmea 'Morning Mr Magpie'

Petrocosmea 'Moro de Moso'

Petrocosmea 'Paul Kroll'

Petrocosmea 'Purple Puzzle'

Petrocosmea 'Rosemary Platz'

Petrocosmea 'Yuki-no-sei'

Petrocosmea No 4 from Chenyi (form of Crypta)

Petrocosmea aff. martini

Petrocosmea barbata

Petrocosmea barbata 'Marion King'

Petrocosmea begoniifolia C.Y. Wu ex H.W. Li is a low-growing alpine perennial, reaching heights of up to 10 cm. It features a nearly flat rosette of succulent, glossy dark green leaves that have a dimpled surface. In spring, the plant produces white flowers accented with yellow throats, borne on dark red stems.

Petrocosmea begoniifolia C.Y. Wu ex H.W. Li

Petrocosmea cavaleriei

Petrocosmea chrysotricha

Petrocosmea coerulea

Petrocosmea cryptica

Petrocosmea cryptica 'Whirlpool'

Petrocosmea cryptica 'Yumebutai'

Petrocosmea cryptica No 4

Petrocosmea deltoidfolia

Petrocosmea duclouxii

Petrocosmea flaccida

Petrocosmea formosa

Petrocosmea formosa 'Crûg's Capricious'

Petrocosmea forrestii

Petrocosmea from Thailand

Petrocosmea grandiflora Helmsl. is a low-growing alpine perennial, reaching heights of about 6 cm. It features a nearly flat rosette composed of rounded, felted, succulent green foliage. During late winter or spring, this plant produces numerous flowers that measure 2-3 cm in diameter, displaying white hues with lavender tinges or shades of lavender-blue.

Petrocosmea grandiflora Helmsl.

Petrocosmea henryi

Petrocosmea iodioides is a delicate, evergreen perennial that forms a rosette of rounded, succulent leaves characterized by their sunken veins. In summer, it bears clusters of blue-purple blooms featuring a small hood and a prominent lower lip, which emerge on upright, dark red stems.

Petrocosmea iodioides

Petrocosmea kerrii

Petrocosmea kerrii 'Crème de Crûg'

Petrocosmea kerrii var. crinita

Petrocosmea martini

Petrocosmea mengliangensis

Petrocosmea minor Hemsl. is a tender, evergreen perennial characterized by its rounded, fleshy leaves that overlap to form a flat rosette, reaching a diameter of about 15 cm. Variations in leaf texture are evident, with some exhibiting a smooth, glossy surface, while others display pronounced veins that give a quilted appearance. In the summer, this plant produces small clusters of bell-shaped flowers, which are purple with a white throat, borne on upright stems.

Petrocosmea minor Hemsl.

Petrocosmea nervosa

Petrocosmea parryorum

Petrocosmea rosettifolia C.Y. Wu ex H.W.L.

Petrocosmea rotundifolia

Petrocosmea rotundifolia smooth-leaved

Petrocosmea sericea is a low-growing alpine perennial, reaching heights of up to 8 cm. It features a nearly flat rosette of spoon-shaped, succulent green leaves that are densely covered in fine silvery hairs, with edges that curve upward. The plant produces pale blue-lavender flowers, each measuring around 1.5 cm in diameter. Typically, there is one flower per stem, characterized by a distinctive two-lobed hood formed from the fusion of the upper two petals, which also displays a darker purple spot at the base of the floral tube.