cogongrass grass looks like: this product is a long cylinder, with a length of 3 ~ 6 cm and a diameter of .2 ~ .4 cm. The surface is yellowish white or light yellow, slightly shiny, with longitudinal wrinkles, obvious nodes, slightly protruding, and the length of nodes varies, usually 1.5 ~ 3 cm long. Light weight, slightly brittle, white skin on the cross section, mostly with cracks, radial arrangement, light yellow central column, easy to peel off from the skin. Slight breath, slightly sweet taste.
perennial herbs. Rhizomes densely scaly. The culms are tufted, erect, 3 ~ 9 cm high, with 2 ~ 3 nodes, and the nodes are 4 ~ 1 mm long. Leaf multi-cluster base; Leaf sheaths are hairless, or ciliated on the upper part, edge and sheath mouth, and the base is broken or fibrous when old; Ligule scarious, blunt, about 1 mm long; Leaf blade linear or linear-lanceolate, apex acuminate, base tapering.
The panicle is columnar, 5-2cm long and 1.5-3cm wide, with short and dense branches; Spikelets are lanceolate or oblong, 3 ~ 4 mm long, with dense filiform hairs of 1 ~ 15 mm at the base, and spikelets with different lengths; The two glumes are equal or the first glume is a little shorter, except that the lower part of the back is slightly grassy, the rest is membranous, with cilia at the edge, and the back is sparsely filiform. The first glume is narrow and has 3 ~ 4 veins.
The second glume is wider with 4 ~ 6 veins; The first lemma is ovoid-oblong, about 1.5 mm long, with blunt apex and absent palea; The second lemma is lanceolate, 1.2 mm long, with a sharp apex and slightly toothed sides; Palea is about 1.2 mm long and 1.5 mm wide, with a truncated apex, a blunt point and different teeth; Stamens 2, anthers yellow, ca. 3 mm long; Stigma 2, deep purple.
the shape of cogongrass rhizome is quite elegant, and its slender stem, as a gregarious plant, can often see a large area when it meets in the wild, which is quite beautiful and has great appreciation value. And in the process of growth, cogongrass rhizome will grow a bunch of long white whiskers on the top of the green slender stem, which will have a furry feel to the touch and be very good to appreciate.
then the main reason why cogongrass rhizome can spread all over the country is that it has a well-developed root and is extremely adaptable to the environment.