Cerastium Cerastium, Lange
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https://doi.org/10.5281/zenodo.302862 |
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https://treatment.plazi.org/id/1213417E-FF4D-FF4F-CF9B-F72F4978C391 |
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Plazi |
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Cerastium Cerastium |
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27. C. arcticum Lange View in CoL , FZ. Dan . 50: 7 (1880).
Perennial 2-15 cm, with subterranean runners. Leaves usually 1 0-1 5x4- 5 mm, mostly narrower than in 26(c). Flowers 1-3; bracts herbaceous. Sepals 6-9 mm, ovate to ovate-lanceolate with wide scarious margins; petals 2 or more times as long as sepals, shallowly bifid. Capsule broadly cylindrical, with wide mouth, almost straight, up to twice as long as sepals. Seeds 1-1-5 mm, rugose; testa close. N.W. Europe extending to Svalbard and N. W. Finland. Br Fa Fe Is No Sb Su.
Very variable in leaf-shape, hairiness, etc., especially in the Arctic. To some extent this variation may be due to hybridization with 25 and 26. At present it seems best to distinguish only the following two subspecies.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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Cerastium Cerastium
Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A. 1964 |
C. arcticum
Lange 1880: 7 |