Comparison Chart for Species of Bromus
with Unkeeled Lemma and Blunt Lemma Callus
Character |
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lemma size, |
12–15 mm long x 1–1.8 mm wide oblanceolate, oblong surface densely pilose |
(6.5)8–11 mm long x 2.5–5 mm wide elliptic, obovate surface hirsute |
8–13 mm long x 1.5–3 mm wide elliptic, oblanceolate surface hairy or glabrous |
7–12 mm long x 1.2–2.2 mm wide obtrullate, obovate surface hairy or glabrous |
lemma teeth length |
<1 mm |
0.5–1.5 mm |
none or |
none |
lemma awn length |
(6)10–16 mm |
3–10 mm |
awnless or up to 3 mm |
(5)8–13(16) mm |
lower glume |
3–4-veined |
3–5(7)-veined |
1(3)-veined |
3–5-veined |
upper glume |
(5)7-veined |
5–7(9)-veined |
3-veined |
7-veined |
