Australian Sprangletop (Leptochloa decipiens)
Description
Leaves with ligule membranous, to 1 mm long, obtuse, erose, 1-3 tubercle-based hairs to 1 mm long at each end; blade flat, rolled or folded when dry, to 0.3 cm wide, densely scabrous, sometimes with sparse fine hairs c. 0.3 mm long Inflorescence of racemes on a primary axis, 7-23 cm long; racemes to 2-5 cm long. Spikelets 2-5 mm long, 2-6 florets, often with the rachilla extended as a sterile projection to 1 mm long, pedicels to 1.5 mm long, appressed. Glumes with a scabrous keel; lower 0.5 mm long; upper 1-2 mm long, obtuse. Lemma 1.5-2.5 mm long, upper lemmas successively smaller, apex obtuse and erose or 2toothed, keeled, 3-nerved, lateral nerves to margins silky with hairs to 0.5 mm long or with sparse fine hairs < 0.2 mm long. Palea slightly shorter than lemma, silky with hairs to 0.25 mm long.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Liliopsida
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Order: Poales
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Family: Poaceae
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Genus: Leptochloa
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