Eragrostis cilianensis (All.) Vign. ex Janchen
Poaceae (Grass family)

Introduction to Vascular Plants


© Jamie Fenneman     (Photo ID #14576)


E-Flora BC Static Map

Distribution of Eragrostis cilianensis
Click here to view the full interactive map and legend

Species Information

Annual, tufted grass from fibrous roots; stems erect to decumbent, 15-45 (65) cm tall/long.
Sheaths smooth, occasionally with craterlike glands below the nodes, fringed with fine hairs at the summit, the hairs up to 5 mm long, the throats with hairs up to 2 mm long; blades (1) 5-20 cm long, (1) 3-5 (10) mm wide, flat to in-rolled, mostly smooth below, with craterlike glands along the margins, more or less rough above, occasionally hairy; ligules 0.4-0.8 mm long, fringed with fine hairs.
Inflorescence a congested to open, cylindrical to egg-shaped panicle, (3) 5-16 (20) cm long, 2-8.5 cm wide, tapered from the base upward, the branches 0.4-5 cm long, appressed to spreading 20-80degree from the stem axis; spikelets flattened, 6-20 mm long, 2-4 mm wide, 10- to 40-flowered, egg-shaped or lanceolate, greyish-green or translucent, the stalks with craterlike glands; glumes keeled, the keels with craterlike glands, nearly equal, 1.2-2.6 mm long, broadly egg-shaped to lanceolate, membranous, 1- or 3-nerved, the lower glumes 1.2-2 mm long, usually 1-nerved, the upper glumes 1.2-2.6 mm long, often 3-nerved; lemmas (1.8) 2-2.8 mm long, broadly egg-shaped, membranous, prominently nerved, the tips rounded to sharp-pointed, keeled, the keels with 2 to 5 craterlike glands; paleas 1.2-2.1 mm long, translucent, the tips rounded to sharp-pointed; stamens 3, anthers 0.2-0.5 mm long, yellow; caryopses 0.5-0.7 mm long, globe-shaped to elliptical, reddish-brown.

SourceThe Illustrated Flora of British Columbia


If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Habitat and Range

Moist to dry roadsides and sandy waste places in the lowland, steppe and montane zones; infrequent in S BC; introduced from Eurasia.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Eragrostis major Host
Eragrostis megastachya
Poa cilianensis All.