E-Flora BC: Electronic Atlas of the Flora of British Columbia

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

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #14576)

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Distribution of Eragrostis cilianensis
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Species Information

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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.

Source: The Illustrated Flora of British Columbia

Habitat / Range

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

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Eragrostis major Host
Eragrostis megastachya
Poa cilianensis All.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References