familyPoaceae
subfamilyPoaceae subfam. Pooideae
tribePoaceae tribe Poeae
genusTorreyochloa
speciesTorreyochloa erecta
Torreyochloa erecta
Common names: Spiked false mannagrass
Endemic
Synonyms: Puccinellia erecta Glyceria erecta
Treatment appears in FNA Volume 24. Treatment on page 608.
Culms 20-62 cm tall, 1-1.4 mm thick, usually erect. Ligules of larger cauline leaves 2.6-6.5 mm, truncate or rounded to acute; widest cauline blades 3.4-6(7.2) mm wide. Panicles 5.5-11 cm long, 0.3-1 cm wide, (5.5)6-19 times as long as wide, linear to narrowly elliptic at maturity; lowermost branches stiff to flexuous, reflexed to erect at maturity. Spikelets 4.2-6.4 mm, with 4-7 florets. Lower glumes 0.8-1.6 mm; upper glumes 1-2.1 mm; lemmas 2.3-3.1 mm, obtuse to acute; anthers 0.6-0.8 mm. 2n = 14.
Distribution
Calif., Oreg., Nev.
Discussion
Torreyochloa erecta grows at elevations above 2000 m, in the margins of subalpine and alpine lakes and streams of the Sierra Nevada and Cascade ranges.
Selected References
None.
Lower Taxa
None.