Lettohernesara Lähteet | Aiheesta muualla | NavigointivalikkoInfobox OKNimi-testi OKKassu – Kasvien suomenkieliset nimet (Carex viridula var. bergrothii)Den virtuella floran: Ärtstarr (Carex viridula)Kasviatlas 2016: Lettohernesaran (Carex viridula var. bergrothii) levinneisyys SuomessaPinkka, Lajintuntemuksen oppimisympäristö: Lettohernesara (Carex viridula var. bergrothii)Laji.fi: Lettohernesara (Carex viridula var. bergrothii)Lettohernesara Carex viridula var. bergrothiiYle uutiset: Lapin soita palautetaan luonnontilaan

SaratSuomen vaarantuneet kasvit


hernesaranSuomessamuunnoksestalajinaanalalajinakeltasaranRantahernesaransirohernesarankeltasararyhmäänristeymienpullakotsuuotaTähkäsuomutkalkkivaikutteisillaletoillavaarantuneeksi

































Lettohernesara
Tieteellinen luokittelu
Domeeni:
Aitotumaiset Eucarya
Kunta:
Kasvit Plantae
Alakunta:
Putkilokasvit Tracheobionta
Kaari:
Siemenkasvit Spermatophyta
Alakaari:
Koppisiemeniset Magnoliophytina
Luokka:
Yksisirkkaiset Liliopsida
Lahko:
Poales
Heimo:
Sarakasvit Cyperaceae
Suku:
Sarat Carex
Laji:
viridula
Muunnos:
bergrothii
Kolmiosainen nimi

Carex viridula var. bergrothii


Synonyymit

  • Carex bergrothii


  • Carex flava ssp. bergrothii


  • Carex viridula ssp. bergrothii


Infobox OKNimi-testi OK

Lettohernesara eli pikkunokkasara (Carex viridula var. bergrothii) on yksi hernesaran (Carex viridula) kolmesta Suomessa esiintyvästä muunnoksesta. Sitä on joskus pidetty myös omana lajinaan, hernesaran alalajina tai keltasaran (Carex flava) alalajina[1]. Rantahernesaran (Carex viridula var. viridula) ja sirohernesaran (Carex viridula var. pulchella) tavoin lettohernesara kuuluu niin kutsuttuun keltasararyhmään, jonka lajien, alalajien, muunnosten ja risteymien erottaminen toisistaan on hankalaa.


Lettohernesara on muiden hernesaran muunnosten tavoin erilaistähkäinen sara, ja sillä on tavallisesti yksi hedetähkä sekä kahdesta neljään emitähkää. Emitähkissä pullakot ovat tiiviisti toistensa vieressä. Lettohernesaran pullakot ovat lähes pallomaisia ja niissä on melko lyhyt suuota. Tähkäsuomut ovat hyvin pienet.[2]


Lettohernesara on harvinainen ja sitä kasvaa vain märillä kalkkivaikutteisilla letoilla[2]. Lettohernesara kasvaa usein paikoilla, joilla muuta kasvillisuutta ei ole juuri lainkaan[2]. Suomessa lettohernesara on luokiteltu vaarantuneeksi (VU) kasviksi.



Lähteet |



  1. ↑ Kassu – Kasvien suomenkieliset nimet (Carex viridula var. bergrothii) Kassu – Kasvien suomenkieliset nimet. Viitattu 30.6.2017.


  2. ↑ abc Arne A. Anderberg: Den virtuella floran: Ärtstarr (Carex viridula) Den virtuella floran. 1998. Naturhistoriska riksmuseet. Viitattu 30.6.2017.



Aiheesta muualla |


  • Kasviatlas 2016: Lettohernesaran (Carex viridula var. bergrothii) levinneisyys Suomessa

  • Pinkka, Lajintuntemuksen oppimisympäristö: Lettohernesara (Carex viridula var. bergrothii)

  • Laji.fi: Lettohernesara (Carex viridula var. bergrothii)

  • Lettohernesara Carex viridula var. bergrothii

  • Yle uutiset: Lapin soita palautetaan luonnontilaan


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