We value your privacy

We use cookies and other technologies to enhance your experience, analyse site usage, help with reporting, and assist in other ways to improve the website. You can choose to allow cookies and other technologies or decline. Your choice will not affect site functionality.

Click for help
Volume V (2000) - Flora of New Zealand Gramineae
Copy a link to this page Cite this record

Aveninae

AVENINAE

Spikelets with 2-several ⚥ florets, or with 1 ⚥ and 1 ♂ floret. Glumes equal or unequal, the upper sometimes slightly < lemma and seldom enclosing spikelet.

Key

1
Spikelets with 1 ⚥ floret, or rarely a few of the spikelets with 2 ⚥ florets
2
Spikelets with 2 or more ⚥ florets
3
2
Spikelets disarticulating above glumes; lower lemma awned
Arrhenatherum
Spikelets disarticulating below glumes; lower lemma awnless
Holcus
3
Lemma conspicuously awned; awn reflexed, or very stout and geniculate or straight
4
Lemma awnless, or shortly mucronate or inconspicuously awned; awn, if present, very fine, straight or geniculate
7
4
Ovary glabrous
5
Ovary hairy
6
5
Awns recurved
Trisetum
Awns geniculate or straight
Amphibromus
6
Plants annual; glumes rounded
Avena
Plants perennial; glumes keeled
Helictotrichonξ (p. 338)
7
Lemma keeled
8
Lemma rounded
9
8
Plants perennial; lemma awnless or with mucro to 1.5-(3.2) mm
Koeleria
Plants annual; lemma usually with awnlet to 3 mm
Rostrariaξ (p. 338)
9
Plants perennial; florets well separated; lemma apex irregularly broadly toothed
Deschampsia
Plants annual; florets ± adjacent; lemma apex finely bidenticulate
Aira
Click to go back to the top of the page
Top