Plants of Israel: Two-spiked beardgrass

Andropogon distachyos, Two-spiked beardgrass,
Hebrew: זקניים כפול-שיבולת, Arabic: سفون ثنائي الصفوف

Scientific name:   Andropogon distachyos L.
Common name:   Two-spiked beardgrass
Hebrew name:   זקניים כפול-שיבולת
Arabic name:   سفون ثنائي الصفوف
Family:   Graminea (Poaceae), Grass Family, משפחת הדגניים


Life form:   Hemicryptophyte
Stems:   50-70 cm high; slender, erect, glabrous stems
Leaves:   Alternate, rosette, entire
Flowers:   Green, violet; inflorescence of 2 spikes from 5 to 7 cm lenght which finish the stem
Fruits / pods:   oblong caryopsis, flattened on the back
Flowering Period:   March, April, May, June
Habitat:   Batha, Phrygana
Distribution:   Mediterranean Woodlands and Shrublands, Semi-steppe shrublands, Shrub-steppes
Chorotype:   Plurireginalbor-trop
Summer shedding:   Perennating


Derivation of the botanical name:

Andropogon , andros (Greek), “a man,”; pogon, “beard,”; referring to the hairs on the spikelets of some of these grass species.

distachyos, di, “between, away from”; stachys, σταχυϛ, spike; ear of corn; meaning: 2 spikes.
The Hebrew word: זקניים, zkannaiem , from דקן, beard; referring to the scientific name Andropogon (pogon, beard).

  • The standard author abbreviation L. is used to indicate Carl Linnaeus (1707 – 1778), a Swedish botanist, physician, and zoologist, the father of modern taxonomy.