2024 Edition • Get the App • Cite this Page
X

Colors

Data mode

Account

Login
Sign up

Collapse this

Support the Flora of the Southeastern US

2024 has been a banner year for making the best flora we can imagine. We've created:
With financial support from people like you, we are aiming even higher in 2025. Together we can accomplish all this: Vote on our 2025 priorities
  • Add Global Conservation Ranks (GRanks) vote
  • Professional graphic keys (polyclaves) to individual families/genera vote
  • 2 new FloraQuest apps: Florida & Mid-South vote
  • Image overlays highlighting diagnostic characters with arrows vote
  • iNaturalist integration in FloraQuest vote
Write-in vote: vote
We've set a goal of recruiting 200 ongoing supporters to donate $15 or more each month in 2025. Please help us reach this goal and make next year's flora even better:
Donate $15 per month
(0.06¢/key line)
Donate $30 per month
(0.13¢/key line)
Donate $50 per month
(amazing!)
Donate another
or one-time amount

Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Key to Nassella

Copy permalink to share

1 Florets 1.5-2.5 mm long; leaves 0.2-0.6 mm wide, stiff and tightly convolute
1 Florets 3.4-13 mm long; leaves 1-8 mm wide, flat or convolute.
  2 Crown (surrounding the base of the awn) as wide or wider than long, the rim with hairs <0.5 mm long; floret widest just below the crown
  2 Crown longer than wide, the rim with hairs 1-2 mm long; floret widest near or only slightly above the middle.
    3 Florets 6.5-13 mm long; crown usually flaring at the tip; awns 40-90 mm long
    3 Florets 6-8 mm long; crown parallel-sided; awns 30-50 mm long