Hakonechloa

Makino ex Honda
Treatment appears in FNA Volume 25. Treatment on page 8.
 TaxonIllustrator 
FNA25 P01B Hakonechloa pg 9.jpegHakonechloa macraCindy Roché
Linda A. Vorobik

Plants perennial; loosely cespitose, rhizomatous and stoloniferous. Culms 30-90 cm, erect or geniculate at the base. Sheaths open; auricles absent; abaxial ligules present, composed of a line of hairs across the collar; adaxial ligules membranous and sparsely ciliate, sometimes lacerate, cilia subequal to the base; blades flat, linear-lanceolate, resupinate, in living plants the glaucous-green adaxial surface facing downwards and the bright green abaxial surface facing upwards. Panicles not plumose. Spikelets pedicellate, somewhat laterally compressed, with 5-10 florets; rachilla segments conspicuously pilose; disarticulation at the base of the rachilla segment and below each spikelet. Glumes unequal, lanceolate, unawned; calluses 1.5-2 mm, strigose, hairs 1-1.5 mm; lemmas chartaceous, 3-veined, margins with papillose-based hairs near the base, apices inconspicuously bidentate, awned from between the teeth; awns 3-5 mm, straight; paleas 2-keeled. Caryopses glabrous, x = 10.

Discussion

Hakonechloa is a monotypic genus, endemic to Japan, but grown as an ornamental in the Flora region. The resupination of the blades is not evident on herbarium specimens.

Lower Taxa

"decumbent" is not a number.

... more about "Hakonechloa"
2 +  and 3 +
bidentate +
Mary E. Barkworth +
Makino ex Honda +
1 (?) +  and 3 (?) +
straight +
not fused +
3 +  and 1 +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
keeled +  and rounded +
pseudopetiolate +  and branching +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
deciduous +
linear-lanceolate +
spikelike +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
subequal +
geniculate +
30 cm300 mm <br />0.3 m <br /> (90 cm900 mm <br />0.9 m <br />) +
woody +  and herbaceous to somewhat +
not +  and waisted +
capillary +
pistillate +  and staminate +
sometimes longer +
5 +  and 10 +
unisexual +  and bisexual +
compressed +  and terete +
subtending +
lanceolate +
unequal +
papillose-based +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
spicate +  and ebracteate +
racemose +  and paniculate +
lanceolate +  and elliptic acute +
joined +  and free +
inconspicuous +
concealed +  and prominent +
2 +  and 1 +
2-keeled +
subequal +
not plumose +
dry +  and fleshy +
koyama1987a +
1 +  and 60 +
compressed +
1 +  and 3 +
triangular +, dome--shaped +  and low +
2 (?) +  and 3 (?) +
Gramineae +
Hakonechloa +
Poaceae tribe Arundineae +
membranous +
stoloniferous +  and rhizomatous +
plant +  and cespitose +
aquatic +  and terrestrial +