All Floras      Advanced Search
Login | eFloras Home | Help
Taiwan Gramineae | Family List | Poaceae

Zoysia Willd, Ges. Naturf. Freunde Berlin Neue Schriften. 3: 440. 1801.

結縷草屬

Zoysia sinica
leaf cs section

Credit: cs kuoh

Perennials; plants with creeping rhizomes or partly stoloniferous. Leaf-blade narrow. Inflorescence a terminal, small, spike-like raceme. Spikelets placed on all sides of rachis, falling off entirely from the pedicel, laterally compressed, 1-flowered, bisexual; lower glume absent or small, thinly membranous and nerveless; upper glume as long as spikelet, coriaceous, conduplicate, margins contiguous, the midnerves prominent, excurrent into short awn or not; lemma smaller and hidden inside of the upper glume, conduplicate, hyaline, 1-nerved; palea present or not; lodicules wanting; stamens 3; styles 2, long, connate at base, the stigmas apica exserted. Caryopsis oblong, free, the hilum punctiform.

About ten species distributed in Mascarene Islands, India, China, Japan too New Zealand.

Four species are found in Taiwan and these mostly grow on littoral regions.


KEY TO THE SPECIES

1 Spikelets usually more than 5 mm long; blades pointing upward, 2-3mm wide   Zoysia sinica
+ Spikelets less than 4 mm long.   (2)
       
2 (1) Blades filiform, folded, less than 1 mm wide   Zoysia tenuifolia
+ Blades flat or margins inrolled, 1-2mm wide.   (3)
       
3 (2) Spikelets ovate, more or less aristate   Zoysia japonica
+ Spikelets elliptical, acuminate to obtuse   Zoysia matrella

Lower Taxa


 

Related Objects  

Flora of China  
  • Zoysia.pdf
  • PDF

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |