Danthonia decumbens (L.) DC.
heathergrass (common heathgrass)
Poaceae (Grass family)

Introduction to Vascular Plants


© Jamie Fenneman     (Photo ID #10169)


E-Flora BC Static Map

Distribution of Danthonia decumbens
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Species Information

Perennial, tufted grass from fibrous roots; stems disarticulating at the nodes, 8-60 cm tall.
Sheaths smooth or soft-hairy; blades 0.5-4 mm wide, 5-15 cm long, smooth or sparsely soft-hairy, usually flat; ligules less than 1 mm long, fringed with short hairs.
Inflorescence a narrow panicle with up to 15 spikelets on erect branches, the lower branches with 1 to 3 spikelets; spikelets 6-15 mm long; lemmas 5-6 mm long, smooth or hairy on the margins, awned, the awns reduced to short, sharp abrupt points between the two teeth at the tips (lemmas appearing 3-cleft), the calluses with tufts of stiff hairs laterally; florets of terminal inflorescences usually small, closed, self-fertilized, with 3 tiny anthers 0.2-0.4 mm long, rarely with the latter florets open and then with anthers to about 2 mm long.

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

Mesic to dry sandy or rocky meadows in the lowland zone; rare in SW BC (Gulf Islands); introduced from Europe and NW Asia.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Festuca decumbens L.
Sieglingia decumbens