Comments
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fornecido por eFloras
Antennaria densifolia is found on limestone talus below treeline in the MacKenzie, Richardson, and Ogilvie mountains of the District of MacKenzie and Yukon Territory and in Granite County, Montana (R. J. Bayer 1989c). It differs from A. aromatica in being non-glandular and in other characters. Herbarium specimens (in DAO) from British Columbia that morphologically appear to be a strictly gynoecious form of A. densifolia may be apomicts related to A. alpina that are derived from A. densifolia, a sexual progenitor of the complex.
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Description
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fornecido por eFloras
Dioecious. Plants 3.5–16 cm. Stolons 1–2 cm. Basal leaves 1-nerved, spatulate to cuneate, 3–7 × 2–5 mm, tips mucronate, faces gray-tomentose. Cauline leaves linear, 2–13 mm, distal flagged. Heads 2–5 in corymbiform arrays. Involucres: staminate 3–6.5 mm; pistillate 4.5–7.5 mm. Pistillate involucres 4.5–7.5 mm. Phyllaries distally light brown, dark brown, or black. Corollas: staminate 2–3.5 mm; pistillate 2.5–4.5 mm. Cypselae 0.8–1.5 mm, glabrous; pappi: staminate 2.5–3.5 mm; pistillate 2.5–3.5 mm. 2n = 28.
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Synonym
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fornecido por eFloras
Antennaria ellyae A. E. Porsild
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Antennaria densifolia
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Inglês
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fornecido por wikipedia EN
Antennaria densifolia, the denseleaf pussytoes, is a North American species of plants in the family Asteraceae.[4] It is native to western Canada (Northwest Territories, Yukon, British Columbia, Alberta) and the US states of Alaska and Montana.[5][6] It grows in subalpine-alpine limestone talus.[4]
References
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^ "NatureServe Explorer Antennaria densifolia". NatureServe Explorer Antennaria densifolia. Arlington Virginia, United States of America: NatureServe. 2022-06-03. NatureServe Element Code:PDAST0H160. Retrieved 23 Jun 2022.
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^ Faber-Langendoen, D; Nichols, J; Master, L; Snow, K; Tomaino, A; Bittman, R; Hammerson, G; Heidel, B; Ramsay, L; Teucher, A; Young, B (2012). NatureServe Conservation Status Assessments: Methodology for Assigning Ranks (PDF) (Report). Arlington, Virginia, United States of America: NatureServe.
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^ The Plant List, Antennaria densifolia A.E.Porsild
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^ a b "Antennaria densifolia in Flora of North America @ efloras.org". www.efloras.org.
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^ Biota of North America Program 2014 State-Level Species Map
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^ Porsild, Alf Erling 1945. Bulletin of the National Museum of Canada 101: 26–27
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Antennaria densifolia: Brief Summary
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Inglês
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fornecido por wikipedia EN
Antennaria densifolia, the denseleaf pussytoes, is a North American species of plants in the family Asteraceae. It is native to western Canada (Northwest Territories, Yukon, British Columbia, Alberta) and the US states of Alaska and Montana. It grows in subalpine-alpine limestone talus.
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- cc-by-sa-3.0
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- Wikipedia authors and editors