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Carex divisa Huds., it is a geophyte, greyish green perennial, 10-50(-80) cm, with long creeping rhizome. Rhizome sturdy, 1.5-3 mm in diam., with rather short internodes, covered with fibrous scales. Stem obtusely to sharply trigonous, distally more or less scabrous along the edges. Leaves 1/3 – 2/3 of stem length; sheaths 20-50 mm, outermost pale brown, mouth margin almost straight, ligule  0.2 mm, blades 1-3 mm wide, conduplicate to involute, seldom flat, adaxial side papillose, margins and mid-vein scabrous towards apex. Inflorescence terminal a dense foxtail-shaped ‘panicle’, 12-17 x 7-8 mm. Bracts bristle-like. Glomerules 5-7, bisexual, the largest 5 x 2 mm. Female bracts (glumes) longer and wider than perigynium, ovate, 4.5-5.0 x 2.5 mm, keel excurrent into scabrid awn up to 0.3 mm long. Perigynium sub erect, 4.2 x 1.8 mm, elliptic in cross section, not inflated, golden-brown, cartilaginous, glabrous, nervose; rostrum 1.5 mm long, apex shallowly bidentate. Nutlet ovate, broadly clawed, 2.0 x 1.6 mm, narrowly elliptic, yellowish brown, surface glabrous.  Life Form: G,   Flowering in: Feb-Jul,   Vern:———-,   Phytochoria: MED+IT, The native range of this species is Europe to W. China.    Notes: Wild in Libya/

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Distribution in Libya
Jabal Nafusa Al-Jabal Al-Akhder
Misallata, Wadi Zafrania 1931 Lamluda, Gubba, Cirene 1933  Baida, Ain belaneg, Dahret Scpssu,Labrag 1934  Solnta, El Faidia, Labrag 1968  Valley Jarjr-oma 2013


Bibliographic references:  
First: Encyclopedia Flora of Libyan:  
Jafri, S.M.H. & El-Gadi, A. (1985) Flora of Libya, Cyperaceae  Vol.  (120) Department of Botany, Al-Faateh Univ., Tripoli, Libya.
Second: Researches and PhD theses, master theses , Sorted by Newest: pdf files
Abusaief, H. M. A. (2013) Life forms and rangeland for many habitats of Jarjar oma in Al-Jabal Al- Akhdar on Mediterranean Sea. Journal of American Science 2013;9(5) Jarjar oma in Al-Jabal Al- Akhdar 2013