Difference between revisions of "Swallenia alexandrae"
Common names: Eureka valley dunegrass
Endemic
Synonyms: Ectosperma alexandrae
Treatment appears in FNA Volume 25. Treatment on page 24.
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|subfamily=Poaceae subfam. Chloridoideae | |subfamily=Poaceae subfam. Chloridoideae | ||
|tribe=Poaceae tribe Cynodonteae | |tribe=Poaceae tribe Cynodonteae | ||
Latest revision as of 18:58, 11 May 2021
Culms 10-40(60) cm, stiff, erect; nodes villous. Sheaths villous on the upper margins; blades 5-14 cm long, 3-8 mm wide. Panicles 4-10 cm; branches to 35 mm, with 1-3 spikelets. Spikelets 10-15 mm, persistent. Glumes 9-14 mm; lemmas 7-9 mm. Caryopses about 4 mm long, about 2 mm in diameter. 2n = 20.
Discussion
Swallenia alexandrae grows on sand dunes in Inyo County, California. It is only known from four sites, all between 900-1200 m, in the Eureka Valley of northern Inyo County. At these sites, it forms dense colonies 1-2 m across. It is state-listed as rare and federally-listed as endangered because of off-road vehicle activity.
Selected References
None.
Lower Taxa
None.