词条 | Melica pappiana |
释义 |
|image= |genus=Melica |species=pappiana |authority=W.Hempel }}Melica pappiana is a species of grass found in China (Jilin and Shanxi). It grows on grassy mountain slopes and larch forests at {{convert|500|–|2000|m}} above sea level.[1] DescriptionThe species is perennial and have elongated rhizomes with slender culms that are {{convert|40|–|60|cm}} long. The leaf-sheaths have glabrous surface, are tubular, and are closed on one end. The leaf-blades are {{convert|6|–|15|cm}} long and {{convert|1|–|3|mm}} wide with the same type of surface and are hairy. The membrane is eciliated, {{convert|0.5|-|1.5|mm}} long, and have a ligule. The panicle is equilateral, linear, open, is {{convert|5|–|6|cm}} long and carry 3–4 fertile spikelets. The main panicle branches are indistinct and almost racemose.[2] Spikelets are ovate, solitary and are {{convert|7|mm}} long. They also have fertile spikelets that have filiformed and pubescent pedicels. The pedicels are {{convert|4|–|15|mm}} long and are hairy. The spikelets have 2 fertile flores which are diminished at the apex while the sterile florets are barren, clumped and orbicular. Both the upper and lower glumes are keelless, lanceolate, membranous, and purple in colour. They are also have acute apexes but are different in size; Lower glume is {{convert|4.5|–|5.5|mm}} long while the upper one is {{convert|6.5|–|7.5|mm}} long and is 5-veined. Its palea have ciliolated keels and is 2-veined. Flowers have 3 anthers while the fruits are caryopses and have additional pericarp as well.[2] References1. ^{{cite journal|author=Shu, C.C.|year=2006|title=Melica|pages=316-223|publisher=Flora of China|volume=22}} {{Taxonbar|from=Q10903870}}2. ^1 {{cite web|url=http://www.kew.org/data/grasses-db/www/imp06168.htm |author1=W.D. Clayton |author2=M. Vorontsova |author3=K.T. Harman |author4=H. Williamson |title=Melica pappiana|publisher=GrassBase|work=The Board of Trustees, Royal Botanic Gardens|place=Kew|date=November 16, 2012|accessdate=June 29, 2013}} 4 : Melica|Grasses of China|Flora of Jilin|Flora of Shanxi |
随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识,基本涵盖了大多数领域的百科知识,是一部内容自由、开放的电子版国际百科全书。