Nassella

(Trin.) E.Desv.
Source: 
SSA
Description: 
Perennial, tufted. Leaf blade expanded to tightly rolled; ligule an unfringed membrane. Inflorescence an open or contracted panicle; spikelets all alike, pedicelled. Spikelet laterally compressed, plump and gibbous, disarticulating above glumes; glumes +/- equal, longer than spikelet, similar, rounded on back, 3-nerved, awned or awnless. Floret 1; lemma cylindrical, convolute, firmer than glumes, becoming indurated, thick and stiff; margins strongly overlapping, awned asymmetrically; awn geniculate, robust, longer than body of lemma, apex fused at crown just below awn, crown often ciliate, cilia sometimes fused; callus short, blunt, hairy; palea one third or less length of lemma, glabrous, hyaline, nerveless. Stamens with anthers often of two different sizes even within same floret. Ovary glabrous. x = 19.
Distribution: 
Species +/- 15, South America, mainly Andes; +/- 5 naturalised in sthn Afr., Western and Eastern Cape.
Classification: 

Add new comment

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