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|Family: Poaceae (Gramineae)||View Description||Dichotomous Key|
|Genus: Lamarckia||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Lamarckia aurea (L.) Moench
Habit: Annual, cespitose, glabrous. Stem: generally erect, 7--40 cm. Leaf: cauline, +- evenly distributed; ligule 3--7 mm, membranous, glabrous, tip +- irregularly cut; blade 2.5--9 cm, 2.5--7 mm wide, flat. Inflorescence: panicle-like, terminal, 2--8 cm, dense, golden yellow to +- purple; axis short-white-hairy in branch axils; spikelets short-stalked, with 1 fertile and 1--3 sterile spikelets in spreading to drooping clusters, each cluster generally falling as 1 unit. Fertile Spikelet: glumes 2.5--4 mm, +- equal, generally = spikelet; florets 2; lower floret fertile, 2.5--3 mm, lemma awned from near tip, awn 6--7 mm, straight; upper floret sterile, +- 0.5 mm, awn 4--5 mm. Sterile Spikelet: 6--9 mm, >> glumes, linear; glumes > lower floret; florets 5--8; lemmas +- overlapping, 1.5--2 mm, obtuse, tip +- fringed, awn 0 (stalk base sometimes with a reduced, sterile spikelet like fertile in size and shape). Chromosomes: n=7.
Ecology: Open ground, moist seeps, rocky hillsides, sandy soil; Elevation: < 1250 m. Bioregional Distribution: NCoRO, NCoRI, SNF, Teh, CW, SW; Distribution Outside California: Arizona; native to Mediterranean. Flowering Time: Feb--May Note: Somewhat weedy.
eFlora Treatment Author: Lynn G. Clark
Jepson Online Interchange
Previous taxon: Lamarckia
Next taxon: Leersia
Citation for this treatment: Lynn G. Clark 2016. Lamarckia aurea, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=30147, accessed on April 30, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on April 30, 2016.