Cyperaceae - Arasi Lawrence Company

Cyperaceae A. Juss.

A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, R, S, T, U, V, W, X, Z

Division ANGIOSPERMAE. Carpels infolded or arranged as to form an ovary in which the ovules are borne.

Class MONOCOTYLEDONEAE. Embryo with 1 cotyledon ; stem with closed vascular bundles ; leaves usually parallel-nerved ; flowers usually 3-merous.

CYPERALES:

Cyperaceae.

Culm triangular, solid ; leaves eligulate with closed sheaths ; flowers several together in spikelets, these in compound inflorescences ; each flower in the axis of a glume (or inside a flask-shaped glume, Carex), consisting of 3 stamens and 2-3 stigmas of various shape, mostly slender ; sometimes a reduced perianth present in the form of bristles or hairs ; fruit a nut.

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.

· Carex L.

· Cladium P. Browne.

· Cyperus L.

Cyperus alopecuroides Rottb. (= Juncellus alopecuroides C. B. Cl., Chlorocyperus alopecuroides (Rottb.) Grossh.).

Cyperus laevigatus L. = Juncellus laevigatus (L.) C. B. Cl., Chlorocyperus laevigatus (L.) Palla, Acorellus laevigatus (L.) Palla.

v. distachyos (All.) Coss. et DR.

v. pallae (Kn.) Kükenth.

v. caespitosus C. B. Cl.

Cyperus rotundus L. = Chlorocyperus rotundus (L.) Palla, Pycreus rotundus Hayek.

f. subcapitatus (C. B. Cl.) Kükenth.

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

f. latimarginatus Kükenth.