[2] It grows on moist, north-facing cliffs and ledges at low altitude.

[3]: 163  A mass of fleshy, hairy, bright green leaves in flat rosettes is produced on short unbranched stems, often on vertical surfaces.

[6] The Latin specific epithet tabuliforme means "flat" (literally "table shaped").

[7] This plant, which may be either biennial or perennial, is grown under glass in temperate regions.

It has gained the Royal Horticultural Society's Award of Garden Merit.