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|Jepson eFlora: Taxon page
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|Family: Poaceae (Gramineae)||View Description||Dichotomous Key|
|Genus: Gaudinia||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Gaudinia fragilis (L.) P. Beauv.
Habit: Annual. Stem: erect or ascending, to 3.5 dm. Leaf: sheath long-shaggy-hairy; ligule short, truncate; blade flat, long-shaggy-hairy. Inflorescence: terminal, spike-like, to 15 cm, axis breaking apart at prominent joints, prolonged beyond floret. Spikelet: sessile, 9--20 mm, laterally compressed, flat side +- appressed to concave inflorescence axis; lower glume 3--5 mm, 3--5-veined, upper 7--11 mm, 5--11-veined, both scabrous on veins, margins translucent, awn 0; florets 3--6, bisexual, breaking apart above glumes; lemma (3)5--8 mm, 5-, 7-, or 9-veined, midvein scabrous, awn 4--15 mm, from above middle of lemma, twisted or bent; palea < lemmas; callus blunt; axis extended beyond uppermost floret. Fruit: +- 2.5 mm. Chromosomes: 2n=14.
Ecology: Grassy hilltop on thin, rocky soil; Elevation: +- 100 m. Bioregional Distribution: s NCoRO (Sonoma Co.); Distribution Outside California: this collection the only one from western North America. Flowering Time: Jun
eFlora Treatment Author: James P. Smith, Jr.
Jepson Online Interchange
Previous taxon: Gaudinia
Next taxon: Glyceria
Citation for this treatment: James P. Smith, Jr. 2017. Gaudinia fragilis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=74566, accessed on February 21, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 21, 2017.