Abstract
Prostrate ecotypes ofUlex gallii, an atlantic species with autumnal flowering, grow on capes in Brittany (France).U. europaeus, a widespread species, has winter and spring flowering, but some plants can precociously flower in autumn, so that hybridization can be possible between these two species in areas where their ranges overlap. By using different isoenzyme systems and crossed immunoelectrophoresis obtained with seed proteins, it is possible to consider plants with intermediate morphological characters betweenU. gallii andU. europaeus as natural hybrids.
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Misset, M.T., Fontenelle, C. Protein relationships between natural populations ofUlex europaeus andU. gallii (Faboideae, Genisteae) and their hybrids. Pl Syst Evol 179, 19–25 (1992). https://doi.org/10.1007/BF00938016
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DOI: https://doi.org/10.1007/BF00938016