Eragrostis tef*

Eragrostis tef* (Zucc.) Trotter. Boll. Soc. Bot. Ital., 1918, 62 (1918).

Classification. (GPWG 2001) : Subfamily Chloridoideae. Cynodonteae.

Basionym and/or
Replacement Name:
 Poa tef
Zucc., Diss. Ditef (1775.).

Type of Basionym or
Protologue Information
: HT: Anon., Cult. at Florence
from seed collected in Ethiopia
by Bruce (FI).

Key references
(books and floras):
[2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
, [2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of South

[2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of South Australia  (382, fig. 316).

Habit. Annual.
Culms erect, 17–90 cm tall. Ligule a fringe of hairs, 0.5–0.8 mm long.
Leaf-blades involute, 10–30 cm long, 2–4 mm wide.

Inflorescence compound, a panicle. Panicle lanceolate or ovate, 10–40 cm long.

Spikelets pedicelled. Fertile spikelets many flowered, with at least 2 fertile
florets (4–15), comprising 4–15 fertile floret(s), with diminished florets at
the apex, lanceolate or oblong, laterally compressed, 3–9 mm long.

Glumes. Glumes
similar. Lower glume lanceolate, keeled, 1-keeled, 0–1 -nerved. Upper glume
lanceolate, 1.4–3 mm long, keeled, 1-keeled, 1 -nerved.

Fertile lemma 1.8–2.7 mm long, keeled, 3 -nerved. Anthers 3. Grain 1–1.2 mm

: Europe, Africa, Temperate Asia, Tropical Asia, Australasia,
Pacific, and South America.

: South Australia, New South Wales, Victoria.

South Australia: South-eastern. New South Wales: North
Coast, Central Coast,
North-Western Plains. Victoria:

Cultivated as a cereal and hay crop in parts of Africa; and is a potential
fodder grass in Australia.

 Distinguishing characters include subhyaline
glumes, lemmas and paleas; unequal glumes; subpersistent florets; strongly
compressed, elongated, white or reddish-brown caryopsis thicker than wide;
stiffly bearded sheath orifice; basal panicle axil usually bearded; persistent
flexuose sometimes scabrous rachilla.

Introduced; scattered in eastern Australia, Tintinara,
S.A., near Roma and in the Brisbane area, Qld,
Grafton and also Windsor near Sydney,
N.S.W., Kerang, Vic., and no precise locality in Tas.; native to Africa and
intoduced or an escape in America,
Europe, and tropical countries. Cultivated or
an escape.; flowers Jan.; fruits Jan

AVH 2011

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith