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Taiwan Gramineae | Family List | Poaceae

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1 Lower glume truncate or broadly deltoid, often with tip; 1/5-1/4 length of spikelet   Panicum dichotomiflorum
+ Lower glume not truncate, more than 1/4 length of spikelet.   (2)
       
2 (1) Upper floret ridged, triangular in cross section; lodicules thin, few veined.   (3)
+ Upper floret plano-convex or lentiform in cross section; lodicules thicker, numerously veined.   (6)
       
3 (2) Leaves linear; lower glume ca. 1/3 length of spikelet.   Panicum bisulcatum
+ Leaves ovate or lanceolate; lower glume as long as spikelet.   (4)
       
4 (3) Leaves ovate   Panicum brevifolium
+ Leaves lanceolate.   (5)
       
5 (4) Blades ciliate; lower palea absent   Panicum notatum
+ Blades not ciliate; lower palea as long as spikelet.   Panicum sarmentosum
       
6 (2) Upper florets transversely rugose   Panicum maximum
+ Upper florets not transversely rugose.   (7)
       
7 (6) Lower glume ca. 1/5 length of spikelet; upper floret plano-convex in cross section; spikelets ca. 3.5 mm long.   (8)
+ Lower glume more than 1/3 length of spikelet; upper floret lentiform in cross section   (9)
       
8 (7) Lower palea present; rhizomatous; culm hard.   Panicum repens
+ Lower palea absent; not rhizomatous; culm spongy   Panicum paludosum
       
9 (7) Spikelets ca. 1.5 mm long, usually reddish   Panicum humile
+ Spikelets more than 2 mm long.   (10)
       
10 (9) Plants covered with tubercle-based hairs.   (11)
+ Plants not covered with tubercle-based hairs.   Panicum sumatrense
       
11 (10) Veins of glumes and lower lemma anastomosing   Panicum luzonense
+ Veins of glumes and lower lemma not anastomosing.   (12)
       
12 (11) Lower lemma 7-veined; wild   Panicum curviflorum var. suishaense
+ Lower lemma 11-veined; cultivated   Panicum miliaceum

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