Lawn weeds – stickhead grass

One year old. The stalks are clumped, the base is knee-curved, mostly smooth, and 10-75 cm tall. The leaf sheath is smooth and glabrous, mostly shorter than or lower than the internodes; the leaf tongue is membranous, oblong, 3–8 mm long, often 2 lobes or irregularly split teeth at the apex; the leaves are flat, slightly rough or smooth underneath, 2.5–15 cm long and 3–4 mm wide. The conical inflorescences are spike-like, oblong or ovate, loose, absent or intermittent, branchings up to 4 cm long; spikelets are about 2.5 mm long (including the basal disc), gray-green or partially purple; ying oblong, sparsely covered with short cilia, 2 shallow fissures at the apex, the mango protrudes from the fissure, thin and straight, slightly rough, 1-3 mm long; the outer barley is smooth, about 1 mm long, with micro-teeth at the apex, the midrib extends to grow about 2 mm and is easy to fall off; the stamens 3, the anthers are 0.7 mm long. The fruit is oval in shape, flattened on one side and about 1 mm long. The flowering period is from April to September.

Regularity of occurrence

Wet, Wet Sand, Coast, River Valley, River Valley Wetland, Roadside, Roadside Shade Wetland, Plain, Plain Oasis, Valley, Hillside Wet Meadow, Hillside Creek, Wet Meadow, Wetland, Water's Edge, Field Edge Meadow, Creek Edge, Creek Side Grass, Salted Sandy Land, Weedy Woods.