Level1 |
Level2 |
Character |
Character States |
Habitat |
Distribution |
Gangwon |
|
Seoul and Gyeonggi |
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Chungbuk |
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Chungnam |
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Gyeongbuk |
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Gyeongnam |
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Jeonbuk |
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Jeonnam |
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Jeju |
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Vegetative characters |
Stem |
Growth habit |
clumped |
scattered |
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Stem length (cm) |
- |
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Basal-sheath color |
light brown |
||
dark brown to reddish brown |
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Leaf |
Leaf length |
shorter than stem |
|
similar to stem |
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longer than stem |
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Leaf width (cm) |
- |
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Hairs on leaf |
hairy or pubescent |
||
glabrous |
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Reproductive characters |
Bract |
Bract shape |
leaf-like |
scale-like |
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thread-like |
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Inflorescence |
1. Number of spikes* |
one |
|
two or more |
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2. Shape difference among spikes* |
all same (no distinct differentiation between sexual characteristics) |
||
different (showing distinct sexual characteristics) |
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3. Spike sexual system* |
all unisexual spikes |
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some bisexual spikes |
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Number of spikes per node |
one |
||
two or more |
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Spike sexuality (only for subgenus Vignea) |
staminate |
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pistillate |
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androgynous |
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gynecandrous |
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Entire inflorescence length (cm) |
- |
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Spikes arrangement |
loosely flowered |
||
densely flowered |
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Terminal spike sexuality |
staminate |
||
gynecandrous |
|||
androgynous |
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Lateral spike sexuality |
pistillate |
||
gynecandrous |
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androgynous |
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Lateral spikes direction |
erect to ascend |
||
drooping |
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Lateral spike length (cm) |
- |
||
Terminal spike length (cm) |
- |
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Glume |
Staminate glume awn length |
absent |
|
short (awn less than one-third of the total length) |
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long (awn more than one-third of the total length) |
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Pistillate glume awn length |
absent |
||
short (awn less than one-third of the total length) |
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long (awn more than one-third of the total length) |
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Pistillate glume color |
whitish green to light brown |
||
dark brown to blackish brown |
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Perigynium |
Perigynium shape in transverse section |
lenticular to biconvex |
|
trigonous to terete |
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Perigynium shape |
obovate (the broadest part near the apex) |
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suborbicular (width/length > 0.5, nearly circular) |
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elliptical to narrow elliptical (the broadest part in the center) |
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ovate-lanceolate (the broadest part near the base) |
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Perigynium arrangement |
densely flowered |
||
loosely flowered |
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Hairs on perigynium |
glabrous |
||
hairy or pubescent |
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Perigynium beak length |
short (beak less than one-third of the total length) |
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long (beak more than one-third of the total length) |
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Perigynium beak thickness |
thin (the beak is clearly distinguished from the perigynium, and the starting point of the beak is less than one-third of the widest part of the perigynium) |
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thick (the beak is not distinguished from the perigynium, and the starting point of the beak is more than one-third of the widest part of the perigynium) |
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Perigynium beak mouth shape |
truncate |
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bidentate to bifid |
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Perigynium length (mm) |
- |
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Achene |
Achene appendage |
present |
|
absent |
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Achene with constrictions |
with constrictions |
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normal |