What’s a dichotomous key?
Help
Phleum
See list of 4 species in this genus-
1a. Plants annual; reproductive stems 5–30 cm tall
-
2a. Inflorescence 1–3 cm tall; glumes acuminate at apex
-
2b. Inflorescence 3–8 cm tall; glumes subacute at apex
-
-
1b. Plants perennial; reproductive stems 20–100 cm tall
-
3a. Longer glume awns of a spike 1.5–3 mm long [Fig. 251]; stems not bulbous-thickened at the base, smooth near the apex
-
3b. Glume awns 0.7–1.5 mm long; stems bulbous-thickened at the base, scabrous near the apex
-
Show photos of:
Each photo represents one species in this genus.