Echinospartum is a small genus of spiny, broom-like shrubs and subshrubs in the pea family, Fabaceae, placed in subfamily Faboideae and order Fabales. GBIF records the genus as Echinospartum (Spach) Fourr., published in 1868, and lists Fabaceae as its accepted family. The genus is sometimes treated as synonymous with, or very closely allied to, the related broom genus Genista, reflecting their shared spiny, low-shrub growth form typical of Mediterranean-mountain legumes.
The genus comprises around five recognized species, all endemic to the Iberian Peninsula and immediately adjacent parts of southern France. Species occur in Spain (including the Sierra de Gredos and southeastern ranges), Portugal, and across the Pyrenees into south-central France. Echinospartum ibericum itself spans two recognized subspecies (subsp. ibericum and subsp. algibicum) distributed across northwest/central Iberia and the Sierra de Grazalema, respectively.
Plants in this genus are adapted to harsh, high-elevation conditions, typically growing on open, exposed mountain slopes and in rocky terrain — habitats consistent with their tough, spiny (hedgehog-like) growth habit, which likely helps deter browsing and cope with wind exposure at altitude. As spiny legume shrubs of Iberian mountain systems, species of Echinospartum form part of the montane and subalpine scrub vegetation characteristic of the Pyrenees and the mountains of central and southern Spain and Portugal.
Distribution
Native to Spain, Portugal, and adjacent south-central France, including the Pyrenees, the Sierra de Gredos, and other Iberian mountain ranges.
Ecology
Species typically grow on open, exposed mountain slopes and in rocky areas, forming part of montane and subalpine scrub vegetation.
Taxonomy Notes
Placed in family Fabaceae, subfamily Faboideae, order Fabales (GBIF: Echinospartum (Spach) Fourr., 1868). Wikipedia notes the genus is possibly synonymous with the related broom genus Genista.