Key to Bothriochloa
View taxon page for Bothriochloa
(For a list of species in Bothriochloa, use the above link.)
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
1. Stalked
spikelet 
1. In Poaceae, one or more florets (each a flower with subtending lemma and generally palea) and generally 2 subtending glumes; in a sterile spikelet, the flower(s) and sometimes palea(s) are rudimentary or absent. 2. In Cyperaceae, the smallest aggregation of flowers (generally more than 2) and associated bracts.
± =
sessile 
Without a petiole, peduncle, pedicel, or other kind of stalk.
spikelet;
inflorescence ± red to ± purple
..... [B. ischaemum] 1' Stalked spikelet < sessile spikelet, narrower; inflorescence tan to silvery
2. Sessile spikelet > 4.5 mm;
lemma 
In Poaceae, the lower, generally larger of two sheathing bracts subtending a flower, generally ensheathing the palea (in a sterile lemma, the associated flower and sometimes palea are rudimentary or absent); with the palea and flower, comprising the floret.
awn 
1. Bristle-like appendage or elongation, generally terminal. 2. Stiff, needle-like pappus element in Asteraceae.
> 18 mm
..... B. barbinodis
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