Table 3.
Morphological comparisons of spikelet number and glume comparison of Elymusmultiramosus with related Elymus species.
| Species | Spikelet number | Glume | ||||
|---|---|---|---|---|---|---|
| Type | Length (mm) | Veins number | Apex type | Apex awn length (mm) | ||
| Elymusmultiramosus Y.C. Zhang | 1–2 | Lanceolate | 4–7 | 3 | awned | 1.5–2.2 |
| Elymusbreviaristatus (Keng) Keng f. | 2 | oblong or ovate lanceolate | 3–4 | 1–3 | acuminate or mucro | 1 |
| Elymussinosubmuticus S. L. Chen | 1–2 | oblong | 2–3 | 3 | acute or acuminate | no cuspidate |
| Elymussibiricus L. | 1–2 | Narrowly lanceolate | 4–5 | 3–5 | acuminate or a short awn | 4 |
| Elymusatratus (Nevski) Hand.-Mazz. | 2 | Narrowly oblong or lanceolate | 2–4 | 1–3 | acuminate | < 1 |
| Elymusnutans Griseb. | 1–2 | oblong | 3–4 | 3–4 | acuminate or a short awn | 1–4 |
| Elymuscanadensis L. | 2–3 | Linear | 3–4 | 3–4 | awned | 7–18 |
| Elymusvillifer C. P. Wang & H. L. Yang | 1–2 | Narrowly lanceolate | 4.5–7.5 | 3–4 | acuminate to an awned tip | 1.5–2.5 |
| Elymuspurpuraristatus C. P. Wang & H. L. Yang | 2 | Lanceolate to linear-lanceolate | 7–10 | 3 | mucro | 1 |
| Elymusdahuricus Turcz. var. violeus C. P. Wang & H. L. Yang | 1–2 | Lanceolate | 7–11 | 3–5 | awned | 3–6 |
| ElymusdahuricusTurcz.var.dahuricus | 1–2 | Lanceolate or linear-lanceolate | 8–10 | 3–5 | awned | 5 |
| Elymusexcelsus Turcz. | 2–4 | Narrowly lanceolate | 10–13 | 5–7 | awned | 7 |
| Elymusdahuricusvar.cylindricus Franch. | 1–2 | Lanceolate to linear-lanceolate | 7–8 | 3–5 | acuminate | 4 |
| Elymustangutorum (Nevski) Hand.-Mazz. | 1–2 | Lanceolate to linear-lanceolate | 7–10 | 5 | acuminate | 1–3 |
| Elymusdahuricus Turcz. | 1–2 | Lanceolate to linear-lanceolate | 7–10 | 3–5 | acuminate or awned | 5 |
| Elymusbarystachyus L. B. Cai | 2 | linear-lanceolate | 7–10 | 4–7 | acuminate or pointed | 1.5 |