About
Contact
Links
Electronic Flora of South Australia
Electronic Flora of South Australia
Census of SA Plants, Algae & Fungi
Identification tools
 

Electronic Flora of South Australia species Fact Sheet

Arrhenatherum elatius

Citation: J.S. & C. Presl, Fl. Czech. 17 (1819) subsp. bulbosum (Willd.) Schuebler & Martens, Fl. WŘirtemb. 70 (1834).

Synonymy: Avena elatior L., Sp. Pl. 79 (1753); Holcus avenaceus Scop., Fl. Carniolica 276 (1772); Arrhenatherum avenaceum (Scop.)P. Beauv., Agrost. 55 (1812) (all synonyms for the species); Arena bulbosa Willd., Neue Schr. Ges. NaturfFreund. Berl. 2:116 (1799); Arrhenatherum elatius (L.) J.S. & C. Presl var. bulbosum (Willd.) Spenner, Fl. Friburg. 1:113 (1825); Avena luberosa Gilib., Exercit. 2:538 (1792).

Common name: False oat, onion twitch, bulbous false oat.

Description:
Erect stout almost glabrous perennial to over 1 m high, with 2 or 3 bulbous swellings at the base of the stem; leaves flat, with a short truncate ligule.

Panicle narrow but loose, 12-30 cm long; the first glume c. 6 mm long, the second c. 9 mm long and as long as the florets; male lemma with an awn rising from near the base and c. 18 mm long; bisexual lemma shortly awned near the summit.

Distribution:    All States except the N.T.   Native to Europe and Asia.

Conservation status: naturalised

Flowering time: Dec.


SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: No text

Uses: Formerly used as a pasture grass, but has become a weed in parts.

Author: Not yet available


Disclaimer Copyright Disclaimer Copyright Email Contact:
State Herbarium of South Australia
Government of South Australia Government of South Australia Government of South Australia Department for Environment and Water