Polemoniaceae
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The Polemoniaceae are a family of flowering plants consisting of about 27 genera with 270–400 species of annuals and perennials native to the Northern Hemisphere and South America, with the center of
Polemonium caeruleum var. nipponicum 01
Polemonium
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Polemonium, commonly called Jacob's ladders or Jacob's-ladders, is a genus of between 25 and 40 species of flowering plants in the family Polemoniaceae, native to cool temperate to arctic regions of t
Polemoniaceae
…of annuals and perennials native to the Northern Hemisphere and South America, with the center of diversity in western North America. Only one genus (Polemonium) is found in Europe, and two (Phlox and Polemonium) in Asia, where they are confined to cool temperate to arctic regions; both genera also occur more…
Polemonium reptans 2009
Polemonium caeruleum
Polemonium californicum