Poa bulbosa L. ssp. vivipara

    (Koel.) Arcang.
Family: Poaceae, Tribe: Poeae

Pertinent Synonyms & Notes (particularly those used in California; go to GRIN for other synonyms)


Pertinent Common Names (particularly those used in California; go to GRIN for other common names)

bulbous bluegrass

Primary Disseminule Type


Description (diagnostics are in brown)

Spikelets consist of 4–6 bulblets.

Callus usually with cobwebby hairs at the base but sometimes glabrous.

Glumes persistent, slightly unequal, narrowly lanceolate to ovate, 2–4 mm long (shorter than spikelet), membranous, purplish, keels sparsely scabrid, apices acute. Lower glume 1-veined. Upper glume 3-veined.

Bulblet ca. 2 mm long (not including the elongated green leafy tips which are 5–15 mm long), glabrous, dark purplish, slightly shiny.

Similar Species

Similar Species Comparison Chart

Risk Assessment (codes in yellow or red indicate cause for concern; assessments are current as of mid-2011; click AUQP, NZBORIC, or NZBPI for access to the most recent versions of these databases and possible assessment changes)