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Parachute Plant

Atrichoseris platyphylla (A. Gray) A. Gray

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Atrichoseris platyphylla grows in the Mojave and Sonoran deserts.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
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Flora of North America Vol. 19: 308, 309 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Description

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Stems glaucous. Basal leaves gray-green, glaucous, often purple-tinged, especially abaxially, often adaxially mottled, 1–12 × 0.5–6 cm. Heads 1.5–3.5 cm diam. Involucres 6–10 mm. Florets: corollas 8–20 mm, inner with bases yellow or purple, much shorter than outer. Cypselae 4–4.5 mm. 2n = 18.
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cc-by-nc-sa-3.0
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 19: 308, 309 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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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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Synonym

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Malacothrix platyphylla A. Gray, Proc. Amer. Acad. Arts 9: 214. 1874
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 19: 308, 309 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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Atrichoseris

provided by wikipedia EN

Atrichoseris is a genus of plants in the family Asteraceae.[2][1] It contains only one known species, Atrichoseris platyphylla, known by the common names tobacco weed, parachute plant, and gravel ghost.[3]

A. platyphylla is native to the deserts of the southwestern United States (southern California, Arizona, Nevada and the southwestern corner of Utah) and northwestern Mexico (Sonora, Baja California).[4][5][6]

The plant produces a low basal rosette of rounded leaves patterned with gray-green and purple patches at ground level. It sends up a weedy-looking thin branching stem up to 70 centimetres (28 inches) tall, topped with a number of attractive, fragrant white or pink-tinged flowers, about 2.5–5 cm (1–2 in) wide,[4] the layered ray florets rectangular and toothed.[5][6] The flowers bloom between February and May.[4] The hairless fruit has the shape of a five-sided club.[4]

The genus name, Atrichoseris, means 'chicory plant without hairs', referring to the fruit, and the specific epithet, platyphylla, means 'flat-leaved'.[4]

Gravel ghosts in Death Valley National Park, March 2005.

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Atrichoseris: Brief Summary

provided by wikipedia EN

Atrichoseris is a genus of plants in the family Asteraceae. It contains only one known species, Atrichoseris platyphylla, known by the common names tobacco weed, parachute plant, and gravel ghost.

A. platyphylla is native to the deserts of the southwestern United States (southern California, Arizona, Nevada and the southwestern corner of Utah) and northwestern Mexico (Sonora, Baja California).

The plant produces a low basal rosette of rounded leaves patterned with gray-green and purple patches at ground level. It sends up a weedy-looking thin branching stem up to 70 centimetres (28 inches) tall, topped with a number of attractive, fragrant white or pink-tinged flowers, about 2.5–5 cm (1–2 in) wide, the layered ray florets rectangular and toothed. The flowers bloom between February and May. The hairless fruit has the shape of a five-sided club.

The genus name, Atrichoseris, means 'chicory plant without hairs', referring to the fruit, and the specific epithet, platyphylla, means 'flat-leaved'.

Gravel ghosts in Death Valley National Park, March 2005.
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Atrichoseris platyphylla ( Spanish; Castilian )

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Atrichoseris es un género monotípico de plantas herbáceas perteneciente a la familia Asteraceae. Su única especie: Atrichoseris platyphylla A.Gray, es originaria de Norteamérica donde se distribuye por Estados Unidos y México.

Descripción

Es una especie con los tallos glaucos. Hojas basales de color gris-verde, glauco, a menudo teñidas de púrpura, sobre todo abaxialmente, y adaxialmente moteadas, tienen 1-12 × 0.5-6 cm de longitud. Los involucros de 6-10 mm. Floretes con corolas de 8 - 20 mm, el interior con las bases de color amarillo o púrpura, mucho más cortas que el exterior. Tiene un número de cromosomas de: 2n = 18.[2]

Distribución y hábitat

Se encuentra en pistas secas de los desiertos de Sonora y Mojave, y en los valles, a una altura de 0-1400 metros, en Arizona, California, Nevada, Utah de Estados Unidos y en México (Baja California).

Taxonomía

Atrichoseris platyphylla fue descrita por Asa Gray y publicado en Synoptical Flora of North America 1(2): 410, en el año 1884.[3]

Etimología

Atrichoseris: nombre genérico que deriva de las palabras griegas: athrix = "sin pelo", y seris = "un género de cichoriaceae"[4]

platyphylla: epíteto latíno que significa "con hojas anchas"[5]

Sinonimia
  • Malacothrix platyphylla A.Gray[6]

Galería

Referencias

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wikipedia ES

Atrichoseris platyphylla: Brief Summary ( Spanish; Castilian )

provided by wikipedia ES

Atrichoseris es un género monotípico de plantas herbáceas perteneciente a la familia Asteraceae. Su única especie: Atrichoseris platyphylla A.Gray, es originaria de Norteamérica donde se distribuye por Estados Unidos y México.

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Atrichoseris platyphylla ( French )

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Atrichoseris platyphylla est une espèce de plante originaire du sud-ouest des États-Unis, de la famille des Asteraceae.

Description morphologique

Appareil végétatif

 src=
Rosette de feuilles d'Atrichoseris platyphylla.

Cette plante herbacée de 30 à 70 cm de hauteur possède à la base une rosette de feuilles de 3 à 10 cm de longueur, de couleur grisâtre, tachetées de vert et parfois de pourpre. De forme ovale, ces feuilles ont une bordure dentelée inégale, garnie par place de petites pointes épineuses. De cette rosette part la tige florale (ou parfois plusieurs), longue et frêle, lisse, grise, qui se ramifie dans sa partie supérieure et ne porte que quelques feuilles très petites[1].

Appareil reproducteur

La floraison a lieu entre février et mai. L'inflorescence est un capitule blanc ou très légèrement rosé, situé à l'extrémité de chaque ramification des tiges florales. Chaque capitule, de 2,5 à 5 cm de diamètre, ne contient que des fleurons ligulés. Chaque ligule est indenté en 5 languettes ; les plus externes sont plus longs que les plus internes.

Les fruits sont des akènes en forme de massue pentagonale et ne présentent aucun poil[1].

Répartition et habitat

Cette plante pousse dans les zones basses et sablonneuses de certaines régions désertiques du sud-ouest des États-Unis (du sud de la Californie ou sud-ouest de l'Utah et au nord-ouest de l'Arizona).

Systématique

Le nom de genre, Atrichoseris, est formé de plusieurs racines grecques (a privatif, τρίχα et σέρις) signifiant chicorée sans poil, et platyphylla signifie à feuilles plates[1].

Notes et références

  1. a b et c (en) J.A. MacMahon, Deserts, New York, National Audubon Society Nature Guides, Knopf A.A. Inc, mars 1997, 9e éd., 638 p. (ISBN 978-0-394-73139-1), p. 378

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Atrichoseris platyphylla: Brief Summary ( French )

provided by wikipedia FR

Atrichoseris platyphylla est une espèce de plante originaire du sud-ouest des États-Unis, de la famille des Asteraceae.

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Atrichoseris ( Portuguese )

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Atrichoseris é um género botânico pertencente à família Asteraceae.[1]

Referências

  1. «Atrichoseris A. Gray». Tropicos. Consultado em 22 de julho de 2019
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Atrichoseris: Brief Summary ( Portuguese )

provided by wikipedia PT

Atrichoseris é um género botânico pertencente à família Asteraceae.

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Atrichoseris ( Romanian; Moldavian; Moldovan )

provided by wikipedia RO

Atrichoseris este un gen de plante din familia Asteraceae, ordinul Asterales.

Răspândire

Caractere morfologice

Specii



Imagini

Note


Bibliografie

Legături externe

Commons
Wikimedia Commons conține materiale multimedia legate de Atrichoseris
Wikispecies
Wikispecies conține informații legate de Atrichoseris



Floarea soarelui.jpg Acest articol despre asteraceae este un ciot. Puteți ajuta Wikipedia prin completarea lui!
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Wikipedia autori și editori
original
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wikipedia RO

Atrichoseris: Brief Summary ( Romanian; Moldavian; Moldovan )

provided by wikipedia RO

Atrichoseris este un gen de plante din familia Asteraceae, ordinul Asterales.

license
cc-by-sa-3.0
copyright
Wikipedia autori și editori
original
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wikipedia RO

Atrichoseris platyphylla ( Vietnamese )

provided by wikipedia VI

Atrichoseris platyphylla là một loài thực vật có hoa trong họ Cúc. Loài này được (A.Gray) A.Gray mô tả khoa học đầu tiên năm 1884.[2][3]

Chú thích

Tham khảo

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


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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Wikipedia tác giả và biên tập viên
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wikipedia VI

Atrichoseris platyphylla: Brief Summary ( Vietnamese )

provided by wikipedia VI

Atrichoseris platyphylla là một loài thực vật có hoa trong họ Cúc. Loài này được (A.Gray) A.Gray mô tả khoa học đầu tiên năm 1884.

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Wikipedia tác giả và biên tập viên
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wikipedia VI