Spartina bakeri

Merr.
Common names: Sand cordgrass
Endemic
Treatment appears in FNA Volume 25. Treatment on page 246.
Revision as of 03:46, 30 July 2020 by imported>Volume Importer
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Plants cespitose, bases knotty, not rhizomatous. Culms to 200 cm, in large, dense clumps, indurate, often branching from the lower nodes. Sheaths smooth to striate, glabrous; ligules 0.5-2 mm; blades 10-50 cm long, 3-7 mm wide, usually involute, rarely flat, abaxial surfaces glabrous, adaxial surfaces and margins scabrous, apices acuminate. Panicles 8-25 cm, usually shallowly sinuous or lobed in outline, with 3-16 branches; branches 2-6 cm, usually appressed, moderately imbricate, axes glabrous, sometimes somewhat scabrous on the angles, with 10-30 spikelets. Spikelets 6-9 mm. Glumes with hispid keels and hispidulous margins, apices acuminate; lower glumes 3-6 mm, to 2/3 as long as the upper glumes; upper glumes 6-9 mm, hispidulous, 3-4-veined, lateral-veins 2-3, prominent, on 1 side of the keel; lemmas mostly glabrous, keels hispid, margins glabrous or hispid, apices acute to obtuse, sometimes obscurely lobed; anthers about 5 mm, well-filled, dehiscent at maturity. 2n = 40.

Discussion

Spartina bakeri grows on sandy maritime beaches and other salt water sites in the southeastern coastal states and on the shores of inland, freshwater lakes in Florida. Its inflorescence is similar to that of S. patens, but the branches of S. patens usually diverge from the rachises at maturity, whereas those of S. bakeri remain appressed. Spartina bakeri is distinct from most other species of Spartina in North America in forming dense clumps and in being able to grow in freshwater habitats.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Spartina bakeri"
5 cm50 mm <br />0.05 m <br /> (?) +
lobed +, acute +  and obtuse +
Mary E. Barkworth +
1 (?) +  and 3 (?) +
multiple +, , +  and single +
keeled +  and rounded +
not rhizomatous +
not fused +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
not pseudopetiolate +
10 cm100 mm <br />0.1 m <br /> (50 cm500 mm <br />0.5 m <br />) +
pubescent +  and glabrous +
involute +  and flat +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
spikelike +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
triangular +  and dome--shaped +
membranous +
Sand cordgrass +
in small to large clumps +  and solitary +
0 cm0 mm <br />0 m <br /> (200 cm2,000 mm <br />2 m <br />) +
indurate +
S.C. +, Fla. +, Tex. +  and Ga. +
not waisted +
capillary +
pistillate +  and staminate +
sometimes longer +
bisexual +  and fertile +
round +  and compressed +
reduced +
shorter or longer +
subtending +
unequal +
uncinate +
paniculate +  and racemose +
3 cm30 mm <br />0.03 m <br /> (70 cm700 mm <br />0.7 m <br />) +
hollow +  and solid +
not absent +
sometimes longer +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
membranous +
inconspicuous +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
hispid +, glabrous +  and hispidulous +
concealed +  and prominent +
2 +  and 1 +
8 cm80 mm <br />0.08 m <br /> (25 cm250 mm <br />0.25 m <br />) +
dry +  and fleshy +
spikelike +
elongate +
glabrous +, smooth +  and striate +
usually divergent +  and strongly divergent +
10 +  and 30 +
compressed +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
1 +  and 3 +
compound +  and simple +
2 (?) +  and 3 (?) +
plumose +
Gramineae +
Spartina bakeri +
Spartina +
species +
membranous +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
7 (?) +  and 13 (?) +
plant +  and cespitose +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +