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Master Key

Species Key

Glossary

S. corrugata

S. macrosperma

S. magna

S. parviflora

S. pumila

S. verticillata

 

 

 

 

 

 

 

 

Setaria

(Fertile lemma indurate, as opposed to soft in Pennisetum)

1. Plants > 1 m tall…2

1. Plants < 1 m tall…3

2. Panicle to 50 cm.  Spikelets 2 mm…S. magna (can be huge, the stem multiple cm diam)

2. Panicle to 25 cm.  Spikelets > 3 mm long…S. macrosperma (maritime species)

3. Bristles 1-3…4

3. Bristles 4-12…5

4. Bristle 1.  Lemma smooth…S. verticillata(panicle 5-15 cm.  Blades 5-10 mm wide)

4. Bristle 1-3.  Lemma rugose…S. corrugata

5. Spikelets < 2.3 mm long.  Panicle < 8 cm longS. parviflora(native?)

5. Spikelets 3 mm.  Panicles 3-15 cm longS. pumila (native)