Comments
(
Inglês
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fornecido por eFloras
Ageratina shastensis is recognized by relatively large solitary heads and coarsely serrate, subcoriaceous leaves alternate on distal parts of stems.
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Description
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Inglês
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fornecido por eFloras
Perennials, 15–45 cm (bases woody, enlarged, occasionally rhizomatous). Stems erect (clustered from bases), puberulent to pubescent (often with some glandular hairs distally). Leaves opposite proximally, alternate on at least distal 1/2 of stems; petioles 4–6 mm; blades (venation raised-reticulate) orbiculate (juvenile) or deltate-ovate, 1.5–3 × 1–2 cm, (subcoriaceous) bases obtuse to truncate, margins entire or coarsely serrate to dentate, apices acute to acuminate, abaxial faces ± gland-dotted and/or stipitate-glandular. Heads mostly borne singly (each often subtended by a leaflike bract). Peduncles (0–)2–15 mm, puberulent and stipitate-glandular. Involucres 10–11 mm. Phyllaries: apices acute, abaxial faces sparsely puberulent. Corollas white, glabrous. Cypselae hispidulous. 2n = 34.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
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Inglês
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fornecido por eFloras
Eupatorium shastense D. W. Taylor & Stebbins, Madroño 25: 218, fig. 1. 1978
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Ageratina shastensis
(
Inglês
)
fornecido por wikipedia EN
Ageratina shastensis is a species of snakeroot which is endemic to Shasta County, California. It is known by the common names Mt. Shasta snakeroot and Shasta eupatorium.[3][4][5]
Description
Ageratina shastensis is a woody perennial which bears unassuming fluffy white flowers about a centimeter wide. It is an uncommon plant which grows in the cracks of limestone cliffs of the Mount Shasta, part of the Cascade Range.[6]
Etymology
Ageratina is derived from Greek meaning 'un-aging', in reference to the flowers keeping their color for a long time. This name was used by Dioscorides for a number of different plants.[7]
References
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^ "NatureServe Explorer - Ageratina shastensis". NatureServe Explorer Ageratina shastensis. NatureServe. 2022-05-30. Retrieved 30 May 2022.
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^ "Ageratina shastensis (D.W.Taylor & Stebbins) R.M.King & H.Rob.". The Global Compositae Checklist (GCC) – via The Plant List. Note that this website has been superseded by World Flora Online
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^ Nesom, Guy L. (2006). "Ageratina shastensis". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 21. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
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^ "Ageratina shastensis". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
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^ "Ageratina shastensis". Calflora. Berkeley, California: The Calflora Database.
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^ Keil, David J.; Powell, A. Michael (1993). "Ageratina shastensis". In Hickman, James C. (ed.). The Jepson Manual: Higher Plants of California. University and Jepson Herbaria.
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^ Gledhill, David (2008). "The Names of Plants". Cambridge University Press. ISBN 9780521866453 (hardback), ISBN 9780521685535 (paperback). pp 39
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Ageratina shastensis: Brief Summary
(
Inglês
)
fornecido por wikipedia EN
Ageratina shastensis is a species of snakeroot which is endemic to Shasta County, California. It is known by the common names Mt. Shasta snakeroot and Shasta eupatorium.
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- cc-by-sa-3.0
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- Wikipedia authors and editors
Ageratina shastensis
(
Vietnamita
)
fornecido por wikipedia VI
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Ageratina shastensis: Brief Summary
(
Vietnamita
)
fornecido por wikipedia VI
Ageratina shastensis là một loài thực vật có hoa trong họ Cúc. Loài này được (D.W.Taylor & Stebbins) R.M.King & H.Rob. mô tả khoa học đầu tiên năm 1980.
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- Wikipedia tác giả và biên tập viên
Bài viết tông cúc Eupatorieae này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn. 
