Ballonose sedge ( Latin: Carex pilulifera ) is a perennial herbaceous plant, a species of the genus Sedge ( Carex ) of the sedge family ( Cyperaceae ).
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Carex pilulifera L. , 1753 | |||||||||||||||||||||||||
Content
Botanical Description
Green plant with branched rhizome , forming a thick turf.
The stems are bluntly trihedral, curved, smooth, rough up, (5) 10-30 cm tall [2] .
The leaves are stiff, flat or slightly folded, 2-3 mm wide [2] , long pointed, sometimes with the edge turned back, half shorter than the stem. The lower vagina is purple-brown.
Spikelets are closely related, the lower one is set aside. The upper spikelet is staminate , linear, back-lanceolate or linear-club-shaped, 0.5-1 (2) cm long [2] , with lanceolate and sharp or blunt, rusty or light rusty, with membranous scales along the edge; the rest (1) 2-3 (4-6) - pistillate, slightly flowered and short, dense, spherical, ovoid or oblong-ovate, 0.5-1 cm long, 0.5-0.6 cm wide [2] , sessile or almost sessile, less often lower on a short (up to 1 cm) leg. Scales of pistillate spikelets are ovate, spiky-pointed or islet, chestnut-brown or rusty, with a green or light keel, rough upward, narrowly membranous along the edge, equal to sacs or almost half shorter than them. Pouches are almost round in cross section or swollen-triangular, back-wide, almost round-ovoid, 2.5-3 mm long [2] , widespread, thin-skinned, without veins or with 4-5 thin veins [2] , greenish later yellowish or paler, densely and shortly bristly-hairy, with a short, straight or almost straight, smooth, short-toothed or notched nose equal to two-thirds of the length of the sac. The lower covering sheet without a vagina or with a vagina 0.5-1.5 cm long, linear, equal to the inflorescence or exceeds it.
Fruits in May-June.
The number of chromosomes 2n = 16.18.
The view is described from Europe.
Distribution
Northern, Atlantic, Central and Southern (rarely) Europe ; The Baltic states ; European part of Russia : Ladoga-Ilmsky district, Bryansk region , Moscow environs, Yaroslavl region ; Belarus : west; Ukraine : Carpathians ; North Africa : Morocco .
It grows in dry, light forests , on the edges, among shrubs , on dry meadows , and dry grassy slopes.
Systematics
Within the species, two subspecies are distinguished [3] :
- Carex pilulifera subsp. azorica (J. Gay) Franco & Rocha Afonso - Azores
- Carex pilulifera subsp. pilulifera - Sedge of Eder; Madeira , Morocco, Europe
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. 318-390. - 636, XXV p. - 5175 copies. (Retrieved April 17, 2010)
- ↑ Carex pilulifera in the database of the Botanic Gardens in Kew, United Kingdom (Retrieved April 17, 2010)
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. - P. 313. - 772 p.
- 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. 318-390. - 636, XXV p. - 5175 copies.
- Gubanov I.A. et al. 267. Carex pilulifera L. - Ball-bearing sedge // Illustrated identifier of plants in 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. 371. - ISBN 8-87317-091-6 .