Difference between revisions of "Lamarckia aurea"
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|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
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Latest revision as of 17:24, 11 May 2021
Culms (5)10-40 cm. Ligules 3-10 mm; blades 2.5-11(20) cm long, 2.5-7.5 mm wide. Panicles 2-8 cm long, 0.9-3.2 cm wide; branches 1-2 cm, with a few scattered, whitish hairs. Fertile spikelets 2.6-4.2 mm; lower rachilla internodes about 1 mm, glabrous; upper rachilla internodes 1.4-2.2(2.6) mm, puberulent or glabrous, sometimes scabrous; glumes 2.6-4.2 mm, bisexual florets 2.4-3 mm, minutely bifid, teeth shorter than 0.2 mm, apices awned, awns 5-7.2 mm; anthers 0.4-0.7 mm; rudimentary florets 0.4-0.6 mm, awns 4-5(7) mm. Sterile spikelets 6-9 mm; lemmas 1-2 mm. Caryopses 1-2 mm. 2n = 14.
Distribution
Calif., Ariz., Pacific Islands (Hawaii), Tex.
Discussion
Lamarckia aurea grows on open ground, rocky hillsides, and in sandy soil, at elevations from sea level to 700 m. Within the Flora region, it is known only from the southwest. It is an attractive, but rather weedy species.
Selected References
None.