Flora of North America species comparison

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Triplasis americana

perennial sandgrass
Habit Plants perennial; cespitose.
Culms

30-80 cm, usually erect;

nodes and internodes appressed pubescent.
Sheaths

glabrous or pilose, margins ciliate;

ligules to 2 mm, membranous, ciliate;

blades to 20 cm long, usually less than 2 mm wide, filiform, scabrous adaxially.
Panicles

1-5 cm long, 1-3 cm wide, occasionally reduced to a raceme.
Spikelets

9-12 mm, with 2-5 florets.
Glumes

subequal, 3.4-4.5 mm, acuminate;

lemmas 4-8 mm, lobes 4.5-8 mm, tapering to the acute apices;

awns 8-11 mm, divergent;

paleas 2-3 mm, keels ciliate;

anthers 1.5-2 mm, yellow.
Caryopses

1.5-2.5 mm, ovoid, tan.
2n

= unknown.

Triplasis americana
Distribution
from FNA
AL; FL; GA; LA; MS; NC; SC
[WildflowerSearch map]
[BONAP county map]
Discussion

Triplasis americana is endemic to the southeastern United States. It grows on sandy soils in prairies and woods, being less common in maritime dunes than Triplasis purpurea.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 25, p. 42.
Parent taxa Poaceae > subfam. Chloridoideae > tribe Cynodonteae > Triplasis
Sibling taxa
T. purpurea
Name authority P. Beauv.
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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