Flora of Israel: Cyperus alternifolius

Cyperus alternifolius, Cyperus racemosus, Umbrella plant,
Hebrew: גומא תרבותי, Arabic: السعد المظلي

Scientific name:   Cyperus alternifolius L.
Synonym name:   Cyperus racemosus Retz.
Common name:   Umbrella plant
Hebrew name:   גומא תרבותי
Arabic name:   السعد المظلي
Plant Family:   Cyperaceae, גמאיים


Life form:   Hemicryptophyte
Stems:   120-180 cm; clump-forming, solid, triangular, wide near base
Leaves:   Rosette, entire
Flowers:   Green, brown
Fruits / pods:   Nutlets, 3-angled, tiny, brown
Flowering Period:   Summer
Habitat:   Humid habitats, river banks, lakes
Distribution:   Mediterranean Woodlands and Shrublands
Chorotype:   Sudanian-African
Summer shedding:   Perennating


Derivation of the botanical name: v

Cyperus, kyperos, kypeiros “galingale, sedge”; Latin cyperos, the name cyperis, idis was applied by Plinius to the root of the Cyperus.

alternifolius, alternate leaves; the leaves on each side of a stem not opposite to each other.
The Hebrew word: גומא, gômê or gomeh; in the Mishnah and Talmudic literature, gomeh is called “Gami” and sometimes also called “Papier”.

  • The standard author abbreviation L. is used to indicate Carl Linnaeus (1707 – 1778), a Swedish botanist, physician, and zoologist, the father of modern taxonomy.
  • The standard author abbreviation Retz. is used to indicate Anders Johan Retzius (1742–1821), a Swedish chemist, botanist and entomologist.