Flora of North America species comparison

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Eustachys floridana

Florida fingergrass, twospike fingergrass
Culms

50-100 cm, erect.
Blades

to 30 cm long, to 8.2 mm wide, apices acute.
Panicles

with 1-3 branches;

branches 5-13 cm.
Spikelets

3-3.7 mm;

florets 3.
Caryopses

about 1.7 mm.
Lower

glumes 1.8-2 mm, apices acute to obtuse;

upper glumes 2.2-3.1 mm, oblanceolate, truncate to occasionally bilobed, lobes obtuse, awned from between the lobes, awns 0.5-1 mm;

calluses with tufts of hairs, hairs to 0.6 mm;

lowest lemmas 2.9-3.7 mm, ovate, tan to light brown at maturity, lateral veins and keels with appressed, whitish to golden hairs, hairs to 0.7 mm, apices acute, awned, awns 0.4-0.6 mm, arising from just below the apices;

second lemmas 1.5-2.6 mm, obovate, acute, mucronate.
2n

= unknown.

Eustachys floridana
Distribution
from FNA
AL; FL; GA
[WildflowerSearch map]
[BONAP county map]
Discussion

Eustachys floridana grows in dry, sandy woods and old fields. It is endemic to the southeastern United States.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 25, p. 222.
Parent taxa Poaceae > subfam. Chloridoideae > tribe Cynodonteae > Eustachys
Sibling taxa
E. caribaea, E. distichophylla, E. glauca, E. neglecta, E. petraea, E. retusa
Synonyms Chloris floridana
Name authority Chapm.
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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