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Group 7

Loose panicle, 2+ fertile (hermaphrodite) florets, membranous ligule, dorsal awn (not all in Vententata) Very long glumes

16 species in our area Avena, Helictochloa (=Avenula), Avenula, Corynephorus, Aira, Deschampsia, Trisetum
Either:-

Lemma with a dorsal awn; upper glume > 7 mm
Click for 2 possible choices (group 7a)

or:-

Lemma with a dorsal awn; upper glume < 7 mm
Click for 4 possible choices (group 7b)



Group 7a

Lemma with a dorsal awn; upper glume > 7 mm

Either:- Drooping spikelets; glumes with several veins Avena spp.: A.

Genus identified. Consult FlorMed or other flora to determine which species

or:- Spikelets more or less upright; glumes with single prominent vein Avenula spp. (incl. Helictochloa): P.

Genus identified. Consult FlorMed or other flora to determine which species



Group 7b

Lemma with a dorsal awn; upper glume < 7 mm

Either:- Awns of the lemmas articulated at the bend, which has a crown of short hairs; summit of the awn is club shaped Corynephorus spp.: P.

Genus identified. Consult FlorMed or other flora to determine which species

or:- Awns of the lemmas not articulated at the bend, not club shaped; glumes clearly passing the summit of the 2nd floret Aira spp.: A.

Genus identified. Consult FlorMed or other flora to determine which species

or:- Awns of the lemmas not articulated at the bend, not club shaped; glumes barely or not reaching the summit of the 2nd floret Deschampsia spp. : P.

Genus identified. Consult FlorMed or other flora to determine which species

or:- Like Deschampsia, but lemmas two toothed rather than 4-toothed Trisetum flavescen : P.

Species identified. Congratulations!



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