Cerastium arvense









































Cerastium arvense

Cerastium arvense 5618.JPG

Scientific classification edit
Kingdom:
Plantae

Clade:
Angiosperms

Clade:
Eudicots
Order:
Caryophyllales
Family:
Caryophyllaceae
Genus:
Cerastium
Species:
C. arvense

Binomial name

Cerastium arvense
L.


Cerastium arvense is a species of flowering plant in the pink family known by the common names field mouse-ear[1] and field chickweed.[2] It is a widespread species, occurring throughout Europe and North America, as well as parts of South America. It is a variable species. There are several subspecies, but the number and defining characteristics are disputed.[3]




The five white petals are 7.5 to 9 millimetres (0.30 to 0.35 in) long, deeply bilobate with round tips. At the center are ten yellow stamens and five styles.



Description


Cerastium arvense is a perennial herb growing up to 30[3] to 45[4] centimeters tall. It takes the form of a mat, clump, creeper, or upright flower, and may grow from a taproot or tangled system of rhizomes. It is usually somewhat hairy in texture, often with glandular hairs. The leaves are linear, lance-shaped, or oblong, and a few centimeters in length. The inflorescence may consist of a single flower to a dense cluster of many. The flower has five white petals, each with two lobes, and five hairy green sepals at the base. The fruit is a capsule up to 1.5 centimetres (0.59 in) long with ten tiny teeth at the tip. It contains several brown seeds.



References





  1. ^ "Cerastium arvense (Field Mouse-ear)". Online Atlas of the British and Irish flora. Retrieved 16 July 2014..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"""""""'""'"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ "Cerastium arvense L." USDA. Retrieved 16 July 2014.


  3. ^ ab Flora of North America


  4. ^ "Jepson Manual Treatment". Regents of the University of California. University of California, Berkeley. Retrieved 15 May 2017.




External links




  • Media related to Cerastium arvense at Wikimedia Commons

  • Photo gallery









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