Small-flowered sedge ( Latin Carex pauciflora ) is a perennial herbaceous plant, a species of the genus Sedge ( Carex ) of the sedge family ( Cyperaceae ).
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 General view of the plant | |||||||||||||||||||||||||
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Carex pauciflora Lightf. , 1777 | |||||||||||||||||||||||||
Content
Botanical Description
1 - Carex pauciflora
A plant with creeping rhizome .
The stems are trihedral, upward rough, 5–40 cm tall [2] .
Leaves 1-1.5 mm wide [2] , mostly folded, dull at the end, rough on the edge.
Spikelets androgynous, 0.7–1 cm long [2] , of 1-3 stamen flowers and 2–5 pistillate [2] , initially conical, then loose, with sacs bent downward. The scales are lanceolate, islet, pale rusty, shorter than the sacs, falling off with fruits . Pouches are almost rounded in cross section, narrow-lanceolate, 6-7 mm long, thin-skinned, flat-convex, with a rounded base, mature bent downward, with obscure veins , with a long whole conical nose, straw. Stigma 3.
Fruits in May-June. Fetus without axial appendage.
The number of chromosomes is 2n = 76.
The view is described from Scotland ( Arran Island).
Distribution
Northern Europe , including Arctic Scandinavia ; Atlantic and Central Europe ; The Baltic states ; The Arctic part of Russia: Murman ( Pechenga region, the lower reaches of the Kola , the southern part of the Kola Bay , the lower reaches of the Voron'ya and Yokanga rivers); European part of Russia : northern half, Northern Urals ; Belarus : the upper reaches of the Dnieper ; Ukraine : Carpathians , the middle part of the Dnieper basin (very rare); Western Siberia : southern part; Southeast Kazakhstan ; Eastern Siberia : basin of the upper reaches of the Yenisei , Baikal region , Aldan basin; Far East : Amur basin ( Kur river), Northern Sikhote-Alin , Kamchatka , northern Sakhalin , Kuril Islands [3] ; Central Asia : Dzhungar Alatau ( Myn-Chukur Range); East Asia : North of the Korean Peninsula , Hokkaido and Honshu ; North America : Alaska , Canada , Washington, and the northeastern United States .
Grows in sphagnum bogs ; on the plain and in the mountains to the subalpine zone .
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 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. - 636, XXV p. - 5175 copies.
- ↑ Vorobyov D.P., Voroshilov V.N., Gurzenkov N.N., Doronina Yu.A., Egorova E.M., Nechaeva T.I., Probatova N.S., Tolmachev A.I., Chernyaeva A. M. The determinant of higher plants of Sakhalin and the Kuril Islands / Answer. ed. Tolmachev A. And .. - L .: Nauka, 1974. - S. 93. - 372 p.
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. 577-578. - 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. - 636, XXV p. - 5175 copies.
- Gubanov I.A. et al. 265. Carex pauciflora Lightf. - Sedge low-flowered // Illustrated identifier of plants of Central Russia. In 3 t . - M .: T-in scientific. ed. KMK, Institute of Technology. ISS., 2002. - T. 1. Ferns, horsetails, crowns, gymnosperms, angiosperms (monocotyledons). - S. 369. - ISBN 8-87317-091-6 .