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Eryngium maritimum, the sea holly or sea eryngo, or sea eryngium, is a perennial species of flowering plant in the family Apiaceae and native to most European coastlines. It resembles a thistle in appearance because of its burr-shaped inflorescences. Despite its common name, it is not a true holly but an umbellifer.
Common names include eryngo and sea holly (though not to be confused with true hollies, of the genus Ilex). These are annual and perennial herbs with hairless and usually spiny leaves . The dome-shaped umbels of steely blue or white flowers have whorls of spiny basal bracts .
Types of Sea Holly There are several cultivars of sea holly that look smashing in any perennial garden: ‘Blue Glitter’ has blue-gray foliage and a profuse number of frosty steel blue blooms ...
Sea holly is a common name for several plants and may refer to: Acanthus ebracteatus; Eryngium species, especially: Eryngium maritimum This page was last edited ...
Zinnia plant in bloom aboard an Earth orbiting space station. The growth of plants in outer space has elicited much scientific interest. [1] In the late 20th and early 21st century, plants were often taken into space in low Earth orbit to be grown in a weightless but pressurized controlled environment, sometimes called space gardens. [1]
Eryngium planum, the blue eryngo [1] or flat sea holly, is a species of flowering plant in the family Apiaceae, native to the area that includes central and southeastern Europe and central Asia. It is an herbaceous perennial thistle growing to 50 cm (20 in) with branched silvery-blue stems, and numerous small blue conical flowerheads surrounded ...
The study of plant response in space environments is another subject of astrobotany research. In space, plants encounter unique environmental stressors not found on Earth including microgravity, ionizing radiation, and oxidative stress. [23] Experiments have shown that these stressors cause genetic alterations in plant metabolism pathways.
Eryngium bourgatii, the Mediterranean sea holly (also known as Pyrenean eryngo), is a species of flowering plant in the family Apiaceae native to Andorra, France and Spain, as well as parts of the Levant, Morocco and Turkey. [1] It is an herbaceous perennial, growing to 15–45 cm (6–18 in) tall. The spherical, blue flowerheads have typically ...