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Rock Dandelion

Taraxacum erythrospermum Andrz. ex Bess.

Comments

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Early leaves of Taraxacum erythrospermum sometimes may be broadly winged along the midvein, making distinction from T. officinale difficult; usually, its later leaves become more deeply lobed with time.

The name Taraxacum laevigatum has been used for L. erythrospermum in North America, following H. Handel-Mazzetti (1907). L. H. Shinners (1949) questioned that usage. The name is listed in the index of Flora Europaea (A. J. Richards and P. D. Sell 1973) as an unassigned synonym; it could be related to three different entities of sect. Spectabilia. And, it is not mentioned by other modern students of the group. Therefore, (1) given that the North American entity has not been identified with a particular Eurasian taxon; (2) to avoid using a microspecies name such as T. scanicum; and (3) despite the lack of typification of the name, I am using T. erythrospermum as a place holder until nomenclatural issues are resolved. This clearly associates the taxon with the section to which it belongs.

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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 19: 239, 240, 241, 242, 243, 245, 246 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Description

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Plants (1–)5–30(–60) cm; taproots seldom branched. Stems 1–15+, ascending to erect, pinkish to reddish, (± equaling foliage), glabrous or sparsely villous, usually more densely so distally. Leaves 20+, horizontal to erect; petioles ± slightly winged distally; blades obovate to oblanceolate (runcinate), 5–25 × 1–4 cm, bases attenuate, margins lacerate, lobes retrorse, triangular to nearly lanceolate, acute to long-acuminate, terminals about as large as distal laterals, teeth usually few, rarely 0, irregular, straight to retrorse, minute to pronounced or secondary lobules, apices usually acute or acuminate, sometimes obtuse, rarely rounded, faces glabrous or glabrate to sparsely villosulous (mainly midveins). Calyculi of 16–18, reflexed to recurved, sometimes glaucous or purplish, lanceolate bractlets in 2 series, 3.8–10 × 1–2 mm, margins white to purplish, narrowly scarious, apices acute or long-acuminate, erose, hornless. Involucres green, tips reddish gray, urceolate (closed) to cylindro-campanulate (open), 10–25 mm. Phyllaries 18–19 in 2 series, lanceolate-linear, 1.2–2.1 mm wide, margins scarious, slightly revolute at green edge, apices long-acuminate, erose-scarious, usually at least some horned. Florets ca. 70–75+; corollas sulphur yellow, outer with abaxial purplish or grayish stripe, 12–16 × 1–1.5 mm. Cypselae brick red to reddish brown or reddish purple, bodies oblanceoloid to obovoid, (2.2–)2.5–3(–4) mm, cones terete, 0.8–1.3 mm, beaks slender, (5–)7–8.5 mm, ribs ca. 15, sharp, faces proximally ± tuberculate (sometimes barely so) to conspicuously muricate in distal 1/2; pappi white to sordid, 4–7 mm. 2n = 16, 24, 32 (Europe).
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 19: 239, 240, 241, 242, 243, 245, 246 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Synonym

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Taraxacum laevigatum (Willdenow) de Candolle var. erythrospermum (Andrzejowski ex Besser) J. Weiss; T. officinale F. H. Wiggers var. erythrospermum (Andrzejowski ex Besser) Babington; T. scanicum Dahlstedt
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 19: 239, 240, 241, 242, 243, 245, 246 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
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eFloras.org
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Taraxacum erythrospermum

provided by wikipedia EN

Taraxacum erythrospermum, known by the common name red-seeded dandelion, is a species of dandelion introduced to much of North America,[1] but most commonly in the north.[2] It is often considered as a variety of Taraxacum laevigatum (i.e., Taraxacum laevigatum var. erythrospermum).[3] In many characteristics, it is similar to the common dandelion, Taraxacum officinale.

Description

This species is very similar to, and often mistaken for, the common dandelion, Taraxacum officinale. It most readily differs by its reddish-brown seed bases, unlike the more olive colored seeds of T. officinale. The red-seeded dandelion can also be identified by its leaves, which have consistently triangular lobes throughout, whereas T. officinale tends to have erratic lobing with minimal or no triangular form. The leaves of T. erythrospermum thus bear a closer resemblance to the basal leaves of sow thistles (Sonchus oleraceus).

References

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Taraxacum erythrospermum: Brief Summary

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Taraxacum erythrospermum, known by the common name red-seeded dandelion, is a species of dandelion introduced to much of North America, but most commonly in the north. It is often considered as a variety of Taraxacum laevigatum (i.e., Taraxacum laevigatum var. erythrospermum). In many characteristics, it is similar to the common dandelion, Taraxacum officinale.

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Taraxacum erythrospermum ( Spanish; Castilian )

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Capítulo en fructificación.

Taraxacum erythrospermum es una especie de planta herbácea de la familia de las asteráceas.[1]​ Es originaria de Norteamérica.[2]

Descripción

Es una planta herbácea que alcanza los 5 a 30 y hasta 60 cm de altura; con raíces pivotantes rara vez ramificadas. Los tallos son ascendentes a erectos, de color rosado a rojo, glabros o escasamente vellosos. Las hojas son obovadas a oblanceoladas, de 5-25 por 1-4 cm, con bases de atenuadas, y los márgenes lacerados, los lóbulos retrorsos, triangulares a lanceolados, los terminales casi tan grandes como los laterales. Involucros de color verde. Lígulas de color amarillo con banda abaxial púrpura o grisácea. Aquenios de color rojo-ladrillo a marrón-rojizo o morado-rojizo. El número de cromosomas es de: 2n = 16, 24, 32.[3]

Taxonomía

Taraxacum erythrospermum fue descrita por Andrz. ex Besser y publicado en Enumeratio Plantarum 75. 1821.[4]

Sinonimia
  • Leontodon erythrospermum (Andrz. ex Besser) Britton
  • Leontodon laevigatus Willd.
  • Taraxacum disseminatum G.E.Haglund
  • Taraxacum lacistophyllum (Dahlst.) Raunk.
  • Taraxacum laevigatum (Willd.) DC.
  • Taraxacum laevigatum var. erythrospermum (Andrz.) J.Weiss
  • Taraxacum officinale var. erythrospermum (Andrz.) Bab.
  • Taraxacum scanicum Dahlst.
  • Taraxacum tauricum Kotov
  • Therogeron disseminatum G.E.Haglund[5]

Referencias

  1. a b Catalogue of life. «Taraxacum erythrospermum». Consultado el 1 de junio de 2012.
  2. «Red-seeded Dandelion». Archivado desde el original el 16 de noviembre de 2006. Consultado el 12 de septiembre de 2009.
  3. Flora of North America
  4. «Taraxacum erythrospermum». Tropicos.org. Missouri Botanical Garden. Consultado el 20 de agosto de 2015.
  5. Taraxacum erythrospermum en The Plant List
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Taraxacum erythrospermum: Brief Summary ( Spanish; Castilian )

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 src= Capítulo en fructificación.

Taraxacum erythrospermum es una especie de planta herbácea de la familia de las asteráceas.​ Es originaria de Norteamérica.​

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Pissenlit gracile ( French )

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Taraxacum erythrospermum

Le pissenlit gracile ou pissenlit à feuilles lisses (Taraxacum erythrospermum) est une espèce de plante herbacée du genre Taraxacum que l'on trouve essentiellement en Amérique du Nord et dans le nord de l'Europe.

Description

Cette espèce de pissenlit se caractérise par la couleur brun rougeâtre de ses graines ainsi que par ses feuilles qui ont des lobes triangulaires proches de ceux de Sonchus oleraceus.

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Pissenlit gracile: Brief Summary ( French )

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Taraxacum erythrospermum

Le pissenlit gracile ou pissenlit à feuilles lisses (Taraxacum erythrospermum) est une espèce de plante herbacée du genre Taraxacum que l'on trouve essentiellement en Amérique du Nord et dans le nord de l'Europe.

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Taraxacum erythrospermum ( Croatian )

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Taraxacum erythrospermum (sin. Taraxacum austriacum), vrsta maslačka raširenog po Euroaziji[1]. Raste i u Hrvatskoj. Pripada sekciji Erythrosperma.[2]

Sinonimi

  • Leontodon erythrospermum (Andrz. ex Besser) Eichw.
  • Leontodon erythrospermus Britton
  • Leontodon laevigatus Willd.
  • Taraxacum austriacum Soest
  • Taraxacum austriacum var. punctatum (Richards) R.Doll
  • Taraxacum laevigatum (Willd.) DC.
  • Taraxacum laevigatum var. erythrospermum (Andrz. ex Besser) J.Weiss
  • Taraxacum officinale var. erythrospermum (Andrz. ex Besser) Bab.
  • Taraxacum officinale var. laevigatum (Willd.) Bouvier
  • Taraxacum punctatum A.J.Richards
  • Taraxacum scanicum Dahlst.
  • Taraxacum tauricum Kotov

Izvori

  1. Plants of the World online pristupljeno 16. veljače 2019
  2. BioLib pristupljeno 16. veljače 2019
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Taraxacum erythrospermum: Brief Summary ( Croatian )

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Taraxacum erythrospermum (sin. Taraxacum austriacum), vrsta maslačka raširenog po Euroaziji. Raste i u Hrvatskoj. Pripada sekciji Erythrosperma.

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Кульбаба червоноплода ( Ukrainian )

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Опис

Багаторічник 5–30(-60) см. Стебла рожево-червоні, голі або з рідкими ворсинками. Листові пластини 5–25 × 1–4 см. Квіткові голови 2–2.5 см. Квіти лимонно-жовті або темні, зовні часто з сірими або червоними смужками. Сім'янки від цегляно-червоного до коричнево-червоного або пурпурно-червоного кольору, 2.5–4 см, до кожної прикріплений білий пучок волосся, для перенесення вітром.

Поширення

Поширений у Європі, введений у Північну Америку. Населяє пустирі, узбіччя, газони.

В Україні зростає на схилах, луках, в степах — у Лісостепу і Степу, рідше в Карпатах і Криму[1].

Галерея

Див. також

Примітки

  1. а б Доброчаева Д. Н., Котов М. И., Прокудин Ю. Н., и др. Определитель высших растений Украины. — Киев : Наукова думка, 1987. — С. 373.
  2. Довідник назв рослин України

Джерела

Aster Tataricus.png Це незавершена стаття про Айстрові.
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Taraxacum erythrospermum ( Vietnamese )

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Taraxacum erythrospermum là một loài thực vật có hoa trong họ Cúc. Loài này được Andrz. ex Besser miêu tả khoa học đầu tiên năm 1822.[1]

Chú thích

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


Bài viết tông cúc Cichorieae 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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Taraxacum erythrospermum: Brief Summary ( Vietnamese )

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Taraxacum erythrospermum là một loài thực vật có hoa trong họ Cúc. Loài này được Andrz. ex Besser miêu tả khoa học đầu tiên năm 1822.

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红果蒲公英 ( Chinese )

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二名法 Taraxacum erythrospermum
Andrz.

红果蒲公英学名Taraxacum erythrospermum)是菊科蒲公英属的植物。分布在欧洲哈萨克斯坦以及中国大陆新疆等地,生长于海拔1,200米至3,000米的地区,多生于森林草甸、山地草原、荒漠草原及荒漠带的河谷渠边,目前尚未由人工引种栽培。

参考文献

  • 昆明植物研究所. 红果蒲公英. 《中国高等植物数据库全库》. 中国科学院微生物研究所. [2009-02-25]. (原始内容存档于2016-03-05).
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红果蒲公英: Brief Summary ( Chinese )

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红果蒲公英(学名:Taraxacum erythrospermum)是菊科蒲公英属的植物。分布在欧洲哈萨克斯坦以及中国大陆新疆等地,生长于海拔1,200米至3,000米的地区,多生于森林草甸、山地草原、荒漠草原及荒漠带的河谷渠边,目前尚未由人工引种栽培。

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