Euphorbia hooveri (lat. Euphorbia hooveri) - südləyənkimilər fəsiləsinin südləyən cinsinə aid bitki növü.
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Euphorbia hooveri is a species of euphorb known by the common names Hoover's sandmat and Hoover's spurge. It is endemic to California, where it grows in the rare vernal pools of the Central Valley. Due to the elimination of most of its habitat, it became a federally listed threatened species in 1997.[1]
This is an annual herb forming flat mats of thin, hairless stems. The stems are ringed with pairs of tiny, minutely toothed round leaves, each gray-green leaf blade only a few millimeters wide. The inflorescence is a cyathium only two millimeters wide. The cyathium is made up of flat, white appendages surrounding a single minute female flower within a cluster of several male flowers. The female flower develops into a spherical fruit containing white seed. The seeds germinate once the pool evaporates with the arrival of summer.[2]
The vernal pools of the Central Valley have nearly disappeared as the land there has been consumed for agriculture and development.[3] This plant occurs in the center of a vernal pool, usually in the deepest part that becomes a mudflat as the pool dries.[3] The plant grows from the cracks in the drying mud.[3] Another threat to the species is invasive plant species that move into its habitat.[3]
Euphorbia hooveri is a species of euphorb known by the common names Hoover's sandmat and Hoover's spurge. It is endemic to California, where it grows in the rare vernal pools of the Central Valley. Due to the elimination of most of its habitat, it became a federally listed threatened species in 1997.
This is an annual herb forming flat mats of thin, hairless stems. The stems are ringed with pairs of tiny, minutely toothed round leaves, each gray-green leaf blade only a few millimeters wide. The inflorescence is a cyathium only two millimeters wide. The cyathium is made up of flat, white appendages surrounding a single minute female flower within a cluster of several male flowers. The female flower develops into a spherical fruit containing white seed. The seeds germinate once the pool evaporates with the arrival of summer.
The vernal pools of the Central Valley have nearly disappeared as the land there has been consumed for agriculture and development. This plant occurs in the center of a vernal pool, usually in the deepest part that becomes a mudflat as the pool dries. The plant grows from the cracks in the drying mud. Another threat to the species is invasive plant species that move into its habitat.
Euphorbia hooveri L.C.Wheeler, es una especie fanerógama perteneciente a la familia de las euforbiáceas.
Es endémica de California, donde crece en el Valle Central. Debido a la eliminación de la mayor parte de su hábitat, se convirtió en especies amenazadas de la lista federal en 1997.[1]
Es una hierba anual en forma de esteras, peluda en los tallos. Los tallos son anilladas con pares de pequeños dientes en el envés de las hojas, cada hoja con sólo unos pocos milímetros de ancho. La inflorescencia es un ciatio de sólo dos milímetros de ancho. La flor femenina desarrolla un fruto esférico de color blanco que contiene la semilla. Las semillas germinan una vez que la charca se evapora con la llegada del verano.[2]
Euphorbia hooveri fue descrita por Louis Cutter Wheeler y publicado en Proceedings of the Biological Society of Washington 53(3): 9–10. 1940.[3]
Euphorbia: nombre genérico que deriva del médico griego del rey Juba II de Mauritania (52 a 50 a. C. - 23), Euphorbus, en su honor – o en alusión a su gran vientre – ya que usaba médicamente Euphorbia resinifera. En 1753 Carlos Linneo asignó el nombre a todo el género.[4]
hooveri: epíteto otorgado en honor del botánico estadounidense Robert Francis Hoover ( 1913 - 1970, quien descubrió la especie.[5]
Euphorbia hooveri L.C.Wheeler, es una especie fanerógama perteneciente a la familia de las euforbiáceas.
Euphorbia hooveri là một loài thực vật có hoa trong họ Đại kích. Loài này được L.C.Wheeler mô tả khoa học đầu tiên năm 1940.[1]
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Bài viết về tông Đại kích này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn. Euphorbia hooveri là một loài thực vật có hoa trong họ Đại kích. Loài này được L.C.Wheeler mô tả khoa học đầu tiên năm 1940.
