Small-leaved sedge , or Small-leaved sedge ( Latin Carex microglochin ) - a perennial herbaceous plant, a species of the genus Sedge ( Carex ) of the sedge family ( Cyperaceae ).
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 Botanical illustration of Jacob Sturm from the book Deutschlands Flora in Abbildungen , 1796 2 - Carex microglochin | |||||||||||||||||||||||||
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Carex microglochin Wahlenb. , 1803 | |||||||||||||||||||||||||
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Content
Botanical Description
A plant with creeping rhizome giving short shoots .
The stems are compactly rounded, smooth, multi-leaved, 5–25 cm tall [2] .
Leaves are threadlike folded, 0.8-1 mm wide [2] , smooth, blunt at the top.
Spikelet androgynous, 0.8-1.2 cm long [2] , initially ovoid-compressed, later friable; stamen flowers 5–7, pistillate flowers 5–17 [2] . Covering scales are ovoid, dull, rusty, falling off with fruits . Rylets 3. Pouches are almost rounded in cross section, narrowly lanceolate, thin-skinned, (3 [2] ) 4-5 mm long, mature bent down, yellow-green, with thin veins , with a blunt base, with a long whole nose, with the base of the fetus with an awl-shaped axial appendage protruding 1.5-1.8 mm from the sac (along with the appendage of the sac (5 [2] ) 5.5-7 mm long); the stigma is laterally displaced by the axial appendage.
Fruits in May-July.
The number of chromosomes is 2n = 48.
The species is described from northern Scandinavia .
Distribution
Northern Europe : mountains of Norway and Northern Sweden , Iceland and Arctic Scandinavia; Atlantic Europe : the mountains of Scotland ; Central Europe : mountains; The Arctic part of Russia : Murman ( Rybachy Peninsula , between Harlovka and Varzino , Cape Orlov , the lower reaches of Ponoy ); Caucasus : Ciscaucasia ; Western Siberia : Tarsky district , Altai ; Eastern Siberia : the northern edge of the Central Siberian plateau ( Medvezhya river), the upper Yenisei basin ( Minusinsk region), the Baikal region , Vitim plateau , Chersky plateau ( Boldymba river); Central Asia : Pamir-Alai , Dzungarian Alatau , Tien Shan ; West Asia : East Turkey , Northern Iran , Northeast Afghanistan ; Central Asia : Northern Mongolia , Northwest China ; East Asia : Southwest China; South Asia : Tibet , Himalayas ; North America : Alaska , including Arctic Alaska (single location), the Arctic coast of Canada ( Bathurst Inlet area ), southeast of Baffin Island , Labrador , southwest and eastern Greenland , Rocky Mountains , Hudson Bay , Newfoundland ; South America : Tierra del Fuego .
Grows on mossy swamps , swampy lawns, along the shores of lakes, rivers, streams, often on carbonate substrates; in the upper, less often forest belt of the mountains, very rarely on the plain.
Notes
- ↑ For the conventionality of indicating the class of monocotyledons as a superior taxon for the plant group described in this article, see the APG Systems section of the Monocotyledonous article .
- ↑ 1 2 3 4 5 6 Krechetovich V.I. Genus 235. Sedge - Carex // Flora of the USSR : in 30 t / h. ed. V.L. Komarov . - L .: Publishing House of the Academy of Sciences of the USSR , 1935. - T. 3 / ed. volumes B.K. Shishkin . - S. 302-303. - 636, XXV p. - 5175 copies.
Literature
- Egorova T.V. Sedges (Carex L.) of Russia and neighboring states (within the former USSR) . - St. Petersburg, St. Louis: St. Petersburg HCFA and the Missouri Botanical Garden, 1999. - S. 575-576. - 772 p.
- Arctic flora of the USSR. Vol. III / Comp. T.V. Egorova, V.V. Petrovsky, A.I. Tolmachev, V.A. Yurtsev; Ed. A.I. Tolmacheva. - L .: Nauka, 1966 .-- S. 68.
- Krechetovich V. I. Genus 235. Sedge - Carex // Flora of the USSR : in 30 tons / chap. ed. V.L. Komarov . - L .: Publishing House of the Academy of Sciences of the USSR , 1935. - T. 3 / ed. volumes B.K. Shishkin . - S. 302-303. - 636, XXV p. - 5175 copies.