Thinopyrum

Source: 
SSA
Description: 
Perennial, erect and rigid or creeping and rooting at nodes, stoloniferous. Leaf blade linear, expanded or rolled, rigid; ligule an unfringed membrane. Inflorescence a single true spike; spikelets solitary, sessile to subsessile, appressed to rachis, rachis disarticulating and spikelets falling with internode below. Spikelet (15)28-40 mm long, laterally compressed, falling with glumes; glumes +/- equal, shorter than spikelet, similar, many-nerved, awnless. Florets 5-11, bisexual, uppermost floret reduced; lemma similar in texture to glumes, glabrous, 5-nerved, usually 3-toothed, awned, awn minute, straight; palea present, keels winged. Lodicules 2, membranous, ciliate. Stamens 3. Ovary hairy. x= 7 (polyploidy).
Distribution: 
Species +/- 5, coasts of Europe; 1 in sthn Afr.: Thinopyrum distichum (Thunb.) A.Love, Western and Eastern Cape.
Classification: 
POACEAE

Add new comment

More information about text formats

To prevent automated spam submissions leave this field empty.
CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.
Image CAPTCHA
Enter the characters shown in the image.
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith