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Latin (Botanical) name: Cyperus rotundus L. = chlorocyperus rotundus (L.) Palla, Pycreus rotundus Hayek.

Family: Cyperaceae.

Common name: Cyperus, Se’d, Sa’d, Sa’d el-homaar, Zibl el-maa’iz, Magessa.

Origin: Egypt

Plant description:

CYPERACEAE A. Juss. : Flowers bisexual, nut lying bare inside the glume. Leaves not prickly-serrated. Plants glabrous. Spikelets several in a terminal, crowded head. Head supported by 3 or more leaves. CYPERUS. Spikelets flat with 2-ranked glumes. CYPERUS L. Spikelets flat with 2-ranked glumes, either spicate or umbelled. Spikes or umbels arranged in a large compound umbel, rarely the whole inflorescence consisting of but a single spike of spikelets or a head of spikelets. Stigmas 3, nut trigonous ; perianth absent.

Spikelets in spikes. Spikes broadly ovate or turbinate in outline, consisting of few spikelets. Stem nodeless, rarely with few nodes. Stem with well developed long leaves. Root not a tunicated bulb. Perennial ; glumes not as above. A group of close resemblance ; roots necessary for correct determination. Root a creeping rhizome. Rhizome thin, scaly, swollen here and there into ellipsoid tubers of about the size of a hazelnut. CYPERUS ROTUNDUS L. (= Chlorocyperus rotundus (L.) Palla, Pycreus rotundus Hayek.) : Only species in this group besides C. maculatus with rosetted leaves. Often its creeping rhizomes produces rows of small leaf-rosettes along the ground. Stolons thin, but here and there swollen into black ellipsoid tubers, which are collected as a drug. Stem leafy only at base, upwards ending in a simple or compound umbel of spicate spikelets.

f. subcapitatus (C. B. Cl.) Kükenth.

f. comosus (Sibth. & Sm.) K. Richter.

f. latimarginatus Kükenth.

Subsp. Tuberosus (Rottb.) Kükenth.

Source: STUDENTS’ FLORA OF EGYPT second edition, by VIVI TÄCKHOLM, D. Sc. (Stockholm) Professor of Systematic Botany, Faculty of Science, Cairo University. Published by Cairo University. Printed by COOPERATIVE PRINTING COMPANY Beirut, 1974.

Propagation: Fruits (seeds), and rhizomes.

Last Update May 2^nd, 2002.

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