Nardus

L.
Treatment appears in FNA Volume 24. Treatment on page 62.
 TaxonIllustrator 
FNA24 P21 Nardus pg 63.jpegNardus strictaLinda Ann Vorobik
Hana Pazdírková

Plants perennial; cespitose. Culms 3-60 cm, erect; basal branching intravaginal. Leaves mostly basal; sheaths open; auricles absent; ligules membranous, entire, rounded; blades filiform, tightly convolute, epidermes with bicellular microhairs. Inflorescences terminal spikes, 1-sided, spikelets in 2 rows, loosely to closely imbricate; rachises terminating in a bristle; disarticulation below the floret. Spikelets triangular in cross-section, with 1 floret, floret bisexual. Lower glumes a highly reduced, cupular rim; upper glumes absent or vestigial; florets 5-10 mm; lemmas linear-lanceolate to lanceolate-oblong, chartaceous, enveloping the paleas, 3-veined, awned; paleas hyaline, 2-veined, 2-keeled; lodicules absent; anthers 3; styles 1. x = 13.

Distribution

N.H., Mass., Mich., Oreg., N.Y., Vt., Greenland, Nfld. and Labr. (Labr.), N.S., Ont., Que., Idaho

Discussion

Nardus is a monospecific European genus. Its relationships to other genera are unclear.

Lower Taxa

"decumbent" is not a number.

... more about "Nardus"
membranous +  and scarious +
awned +  and entire +
Mary E. Barkworth +
not branched +
1 (?) +  and 3 (?) +
basal +  and apical +
keeled +  and rounded +
pseudopetiolate +  and branching +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
not evident +
filiform +
spikelike +
intravaginal +  and basal +
3 cm30 mm <br />0.03 m <br /> (60 cm600 mm <br />0.6 m <br />) +
woody +  and herbaceous +
N.H. +, Mass. +, Mich. +, Oreg. +, N.Y. +, Vt. +, Greenland +, Nfld. and Labr. (Labr.) +, N.S. +, Ont. +, Que. +  and Idaho +
liquid +, soft +  and hard +
capillary +
pistillate +  and staminate +
sometimes longer +
not compressed +
5mm +  and 10mm +
subtending +
uncinate +
/2 +  and 1 +
linear-lanceolate +  and lanceolate-oblong +
membranous +
inconspicuous +
lanceolate +
fleshy +  and membranous +
concealed +  and prominent +
2 +  and 1 +
well-developed +
2-keeled +
subequal +
dry +  and fleshy +
not prolonged +
hubbard1984a +  and turin1980a +
1 +  and 60 +
unisexual +  and bisexual +
triangular +
1 +  and 3 +
simple +  and compound +
2 (?) +  and 3 (?) +
Gramineae +
Poaceae tribe Nardeae +
membranous +
rhizomatous +  and stoloniferous +
plant +  and cespitose +
aquatic +  and terrestrial +