HAS the method of fertilisation of the milkwort, Polygala vulgaris, yet been described? It presents one of the most beautiful contrivances with which I have hitherto met for securing a cross through ...

Researchers have studied the natural history and conservation status in Spain of the only known population of Polygala balansae in Europe, a thorny bush that can grow up to 1.5 m high, which was ...

Researchers at the University of Granada (UGR) have studied the natural history and conservation status in Spain of the only known population of Polygala balansae in Europe, a thorny bush that can ...

is a diminutive and pretty little ground-hugger of a shrub with dainty, orchidlike flowers. Its sister, P. chamaebuxus var. grandiflora , is even prettier. The plants are quite at home here, asking no ...

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This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...