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Plancia ëd Eupatorium leucolepis (DC.) Torr. & A. Gray
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Eupatorium leucolepis (DC.) Torr. & A. Gray

Comments ( Anglèis )

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Eupatorium leucolepis is distinct morphologically by its acuminate to attenuate phyllaries, linear and usually plicate leaves, and phyllotaxy that is almost always strictly opposite to the arrays, with well-separated nodes. Eupatorium leucolepis has recently been shown to include two distinct species, an unnamed diploid that is endemic to Carolina Bay habitats and a series of relatively widespread and mostly polyploid, apomictic populations that include the type. It was recognized after preparation of this treatment that E. novaeangliae (E. leucolepis var. novaeangliae) was derived from hybridization between the unnamed diploid and E. perfoliatum, and is here recognized as a distinct species; it is not directly related genetically to E. leucolepis and thus is not appropriately classified as a variety of it.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
sitassion bibliogràfica
Flora of North America Vol. 21: 463, 469 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Description ( Anglèis )

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Perennials, 40–100+ cm. Stems (from short caudices or stout rhizomes) single, sparsely branched distally, puberulent throughout (more densely distally and among heads). Leaves usually opposite (distal sometimes alternate, ascending to vertical); sessile; blades pinnately nerved, lance-oblong to linear-oblong, 20–60 × 4–10(–15) mm, bases rounded to cuneate (not connate-perfoliate), margins entire or serrate, apices acute, faces villous (abaxial), scabrous (adaxial), gland-dotted. Heads in corymbiform arrays. Phyllaries 8–10 in 2–3 series, narrowly elliptic, 2.5–8 × 0.8–1.2 mm, acuminate to attenuate, mucronate, abaxial faces puberulent, gland-dotted. Florets 5; corollas 3–3.5 mm. Cypselae 2–3 mm; pappi of 30–40 bristles 4.5–5 mm.
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cc-by-nc-sa-3.0
drit d'autor
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
sitassion bibliogràfica
Flora of North America Vol. 21: 463, 469 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
sorgiss
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
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eFloras.org
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eFloras

Synonym ( Anglèis )

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Eupatorium glaucescens Elliott var. leucolepis de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 177. 1836
licensa
cc-by-nc-sa-3.0
drit d'autor
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
sitassion bibliogràfica
Flora of North America Vol. 21: 463, 469 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
sorgiss
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
proget
eFloras.org
original
visité la sorgiss
sit compagn
eFloras

Eupatorium leucolepis ( Anglèis )

fornì da wikipedia EN

Eupatorium leucolepis, commonly called justiceweed or white-bracted thoroughwort, is a herbaceous perennial plant in the family Asteraceae native from the eastern coastal United States, from New York to eastern Texas, with scattered populations inland as far as Kentucky and West Virginia.[3]

Eupatorium paludicola and Eupatorium novae-angliae

Eupatorium paludicola consists of diploids from clay soils of North Carolina and South Carolina. Until the early 21st century, they were classified in E. leucolepis. Eupatorium novae-angliae, known from a dozen or so sites in Massachusetts and Rhode Island, is a hybrid-derived allopolyploid of Eupatorium paludicola and Eupatorium perfoliatum. In the past it was known as E. leucolepis var. novae-angliae but, like E. paludicola, it does not appear to be closely related to E. leucolepis.[4][3][5]

It is self-sustaining, rather than being found only where both parents are present, so various authors since 1992 have proposed treating it as a distinct species.[6]

References

  1. ^ "Eupatorium leucolepis". NatureServe Explorer. NatureServe. Retrieved 2010-09-12.
  2. ^ The Plant List, Eupatorium leucolepis (DC.) Torr. & A. Gray
  3. ^ a b "Eupatorium leucolepis". Flora of North America.
  4. ^ Schilling, Edward E.; Leblond, Richard J.; Sorrie, Bruce A.; Weakley, Alan S. (2007). "Relationships Of The New England Boneset, Eupatorium Novae-Angliae (Asteraceae)". Rhodora. 109 (938): 145. doi:10.3119/0035-4902(2007)109[145:ROTNEB]2.0.CO;2.
  5. ^ "Eupatorium leucolepis var. novae-angliae Fern., Taxonomic Serial number 528112". Integrated Taxonomic Information System.
  6. ^ Ted Elliman (2001). "Eupatorium leucolepis (DC.) T. & G. var. novae-angliae Fern.: New England Boneset Conservation and Research Plan for New England" (PDF). New England Wild Flower Society. Archived from the original (PDF) on 2006-10-02. Retrieved 2008-12-30.
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Eupatorium leucolepis: Brief Summary ( Anglèis )

fornì da wikipedia EN

Eupatorium leucolepis, commonly called justiceweed or white-bracted thoroughwort, is a herbaceous perennial plant in the family Asteraceae native from the eastern coastal United States, from New York to eastern Texas, with scattered populations inland as far as Kentucky and West Virginia.

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Eupatorium leucolepis ( vietnamèis )

fornì da wikipedia VI

Eupatorium leucolepis là một loài thực vật có hoa trong họ Cúc. Loài này được (DC.) Torr. & A.Gray mô tả khoa học đầu tiên năm 1841.[1]

Chú thích

  1. ^ The Plant List (2010). Eupatorium leucolepis. Truy cập ngày 4 tháng 6 năm 2013.

Liên kết ngoài

 src= Wikimedia Commons có thư viện hình ảnh và phương tiện truyền tải về Eupatorium leucolepis  src= Wikispecies có thông tin sinh học về Eupatorium leucolepis


Hình tượng sơ khai 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.
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Wikipedia tác giả và biên tập viên
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Eupatorium leucolepis: Brief Summary ( vietnamèis )

fornì da wikipedia VI

Eupatorium leucolepis là một loài thực vật có hoa trong họ Cúc. Loài này được (DC.) Torr. & A.Gray mô tả khoa học đầu tiên năm 1841.

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Wikipedia tác giả và biên tập viên
original
visité la sorgiss
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wikipedia VI