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Polemonium caeruleum, known as Jacob's-ladder [2] or Greek valerian, is a hardy perennial flowering plant. The plant produces cup-shaped, blue or white flowers. It is native to temperate regions of Europe. It is the type species of the phlox family, Polemoniaceae.
Orchids are known and appreciated for their intricate, long-lasting blooms. They come in many varieties with different sizes, colors and aromas, and incorporate a wide range of growing conditions ...
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Valeriana is a genus of flowering plants in the family Caprifoliaceae, [1] members of which may be commonly known as valerians. It contains many species, including the garden valerian , Valeriana officinalis .
Some plants, like begonias, will readily grow roots from a leaf cutting. Ferns, however, will not. There are a few fern species, though, that can grow plantlets from a stipe (the stem piece). This ...
The leaves grow in opposite pairs and are oval or lanceolate in shape. The plant flowers profusely, and though the individual flowers are small (no more than 2 mm), the inflorescences are large and showy. The flowers are small in rounded clusters each with 5 fused petals and a spur.
Valeriana pauciflora, commonly called the largeflower valerian, [1] is a flowering plant species in the family Caprifoliaceae. It is native to the Eastern United States , where it is found in the regions of the Interior Low Plateau , the Ohio River drainage, and the Potomac River Valley. [ 2 ]
It is also known as Alpine valerian and valerian spikenard. [5] It is endemic to the Eastern Alps (V. celtica subsp. norica) and to the Graian and Pennine Alps. [citation needed] It grows as a perennial herb [6] 5 to 15 cm (2.0–5.9 in) tall. Along with Valeriana saxatilis and Valeriana elongata, it forms a clade of dioecious plants. [7]