Big bluestem is a 4-7’ tall, leafy, warm-season bunch grass with fine hairs where the leaf joins the stem. On mature plants, the seed head has two or three spikes or fingers that attach at a …

Awns, which are either bristles or hair-like outgrowths of lemmas in the florets, are one of the typical morphological characteristics of grass species. These stiff structures contribute to grain …

Stem growth has been described as a series of cylinders or tubes, one nested within the next. The stem (also known as culm) elongates and the grass matures as new cylinders emerge from …

Awn: A slender bristle, commonly found on parts of florets. Biennial: A plant that completes its life cycle in 2 growing seasons then dies. Bunchgrass: A tufted perennial. Cauline: Pertaining to …

2020年10月21日 · Awns appear to improve photosynthesis, provide assimilates for grain filling, thus contributing to the final grain yield, especially under temperature- and water-stress …

Learn more about the characteristics used in plant identification for Annual Threeawn, also known as Oilfield Threeawn and Prairie Threeawn.

2017年12月25日 · In wheat, flag leaf, stem, chaff and awns contribute to grain filling through photosynthesis and/or re-mobilization. Environmental and genetic effects on the relative …

2024年3月18日 · An assemblage of more than one floret is called a spikelet. Its bracts are known as glumes and are sometimes tipped with long, hairy-like, bristly extensions referred to as …

Leaf sheaths are often tinged red at the base. The seedhead is a spike (4-16 inches long) with spikelets that have long awns arranged alternately up the stem. Fibrous. The auricles that …

The contributions of flag leaf, stem, chaff, and awn to grain filling were evaluated under Mediterranean conditions in durum wheat. The results indicated the importance of spike and …