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Image de Heterotheca jonesii (Blake) S. L. Welsh & N. D. Atwood
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Heterotheca jonesii (Blake) S. L. Welsh & N. D. Atwood

Comments ( anglais )

fourni par eFloras
Heterotheca jonesii is known only from southwestern Utah. It forms dwarf cushions often partially buried in sand. Robust shoots are similar in general appearance to H. villosa var. depressa, which is stipitate-glandular and occurs in northwestern Wyoming. H. jonesii frequently occurs sympatrically with H. villosa var. scabra, a glandular, green-leaved and more robust taxon that is unlikely to be confused with it.
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cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 20: 231,232, 248 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
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Flora of North America Editorial Committee
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eFloras.org
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eFloras

Description ( anglais )

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Perennials, 2.3–6 cm (forming dwarf cushions); taprooted. Stems 1–50, usually decumbent, sometimes ascending (proximal parts often buried in sand) simple, moderately to densely strigose, sparsely hispid, eglandular. Leaves: proximal cauline subpetiolate, blades oblanceolate, 4.8–12.5(–15) × 1.5–3 mm, bases cuneate, margins flat (often curling upon drying), entire, strigoso-ciliate, long-hispid proximally, apices acute, faces moderately to densely strigose, hispid hairs few; distal sessile, narrowly to broadly oblanceolate, (3.5–)5–10 × 1.1–2.4(–3.2) mm, little reduced distally, faces moderately to densely hispido-strigose, eglandular. Heads borne singly. Peduncles 3–5 mm, densely strigose, hispid hairs few; bracts leaflike, little reduced distally. Involucres cylindric to narrowly campanulate, 5–7 mm. Phyllaries in 4–5 series, unequal (outer 1 / 5 – 1 / 4 length of inner), mid lanceolate, mid to distal margins anthocyanotic, moderately strigose, eglandular. Ray florets 7–11; laminae 6–8.5 × 0.6–1.6 mm. Disc florets 10–21; corollas ± ampliate, 3.5–4.8 mm, throats glabrous, lobes (0.3–)0.5–1 mm, sparsely pilose (hairs 0.1–0.3 mm). Cypselae monocarpic, obconic, compressed, 1–2.5 mm, ribs 7–10 (often brownish), faces moderately strigose; pappi off-white, outer of linear scales 0.25–0.5 mm, inner of 25–35 bristles 3.9–6.5 mm, longest weakly clavate. 2n = 18.
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 20: 231,232, 248 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
rédacteur
Flora of North America Editorial Committee
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Synonym ( anglais )

fourni par eFloras
Chrysopsis jonesii S. F. Blake, Contr. U.S. Natl. Herb. 25: 537. 1925, based on C. caespitosa M. E. Jones, Proc. Calif. Acad. Sci., ser. 2, 5: 694. 1895, not Nuttall 1834
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 20: 231,232, 248 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
rédacteur
Flora of North America Editorial Committee
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Heterotheca jonesii ( anglais )

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Wikipedia authors and editors
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wikipedia EN

Heterotheca jonesii: Brief Summary ( anglais )

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Heterotheca jonesii, known by the common name Jones's goldenaster, is a rare North American species of flowering plant in the family Asteraceae. It has been found in the southern part of the state of Utah in the United States.

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Heterotheca jonesii ( vietnamien )

fourni par wikipedia VI

Heterotheca jonesii là một loài thực vật có hoa trong họ Cúc. Loài này được (S.F.Blake) S.L.Welsh & N.D.Atwood mô tả khoa học đầu tiên.[1]

Chú thích

  1. ^ The Plant List (2010). Heterotheca jonesii. 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 Heterotheca jonesii  src= Wikispecies có thông tin sinh học về Heterotheca jonesii


Hình tượng sơ khai Bài viết tông cúc Astereae này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.
licence
cc-by-sa-3.0
droit d’auteur
Wikipedia tác giả và biên tập viên
original
visiter la source
site partenaire
wikipedia VI

Heterotheca jonesii: Brief Summary ( vietnamien )

fourni par wikipedia VI

Heterotheca jonesii là một loài thực vật có hoa trong họ Cúc. Loài này được (S.F.Blake) S.L.Welsh & N.D.Atwood mô tả khoa học đầu tiên.

licence
cc-by-sa-3.0
droit d’auteur
Wikipedia tác giả và biên tập viên
original
visiter la source
site partenaire
wikipedia VI