''Jovibarba globifera'', common name rolling hen-and-chicks, is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

of succulent

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Crassulaceae The Crassulaceae (from Latin ''crassus'', thick), also known as the stonecrop family or the orpine family, are a diverse family of dicotyledon flowering plants characterized by succulent leaves and a unique form of photosynthesis, known as Crass ...

Subspecies

*''Jovibarba globifera'' subsp. ''allionii'' (Jord. & Fourr.) J. Parnell *''Jovibarba globifera'' subsp. ''arenaria'' (W. D. J. Koch) J. Parn. *''Jovibarba globifera'' subsp. ''globifera'' - Hens-and-chickens House-leek *''Jovibarba globifera'' subsp. ''hirta'' (L.) J. Parn. *''Jovibarba globifera'' subsp. ''lagariniana'' Gallo

Description

''Jovibarba globifera'' is a perennial herb with a hemispherical rosette of leaves of wide and a flower stem of . Rosette leaf blades are spatulate, curved, fleshy, with entire margin, usually with reddish-brown tips, while stem leaf blades are ovate. These plants have pale-greenish-yellow or yellow

actinomorphic Floral symmetry describes whether, and how, a flower, in particular its perianth, can be divided into two or more identical or mirror-image parts. Uncommonly, flowers may have no axis of symmetry at all, typically because their parts are spirall ...

campanulate flowers with six petals, about wide. They bloom from June to August. Rolling hen-and-chicks produce small globe-shaped offsets ("globi") that are lightly attached and easily pop off and roll away from the mother plant. Offsets survive the main rosette, which is

monocarpic Monocarpic plants are those that flower and set seeds only once, and then die. The term is derived from Greek (''mono'', "single" + ''karpos'', "fruit" or "grain"), and was first used by Alphonse de Candolle. Other terms with the same meaning ar ...

. They reproduce via offsets in addition to producing seeds via sexual reproduction.

Distribution

''Jovibarba globifera'' lives in the eastern and southern Alps, the Carpathians and the western Balkans south to northern Albania.

Habitat

This species can be found in mountainous regions in rocky areas at elevation of above sea level.

External links

BiolibNature GateLuirig.altervistaHortipedia
Crassulaceae Flora of Europe {{Crassulaceae-stub