Scientific Name
Carex quadriflora (Kuk.) Ohwi 녹빛사초
Subgenus classification
: Carex.
Habitats
Occurs in Gangwon, Seoul, Gyeonggi, Chungbuk or Gyeongbuk.
Stem
Clumped growth, with basal sheath color dark brown to reddish brown, and length about 15-30 cm.
Leaves
Leaves longer than the stem or shorter than the stem, have glabrous surfaces, width about 2-4 mm.
Inflorescence
The number of spikes two or more. Spike shapes different (showing distinct sexual characteristics), with all spikes unisexual, spikes arranged loosely. Terminal spike sexuality staminate. Lateral spike sexuality pistillate, and erect to ascend. Lateral spike length about 1-1.5 cm. Terminal spike length about 0.45-1 cm. Number of spikes per node one (one spike in one bract) or two or more (two or more spikes in one bract).
Bract
Lowermost bract shape scale-like.
Glume
Staminate glume awn absent. Pistillate glume awn absent. Pistillate glume color whitish green to light brown.
Perigynium
Transverse section trigonous to terete. Perigynium shape obovate (the broadest part near the apex), and loosely flowered. Perigynium hairy or pubescent. Beak short (beak less than one-third of the total length), with truncate mouth. Length 4-5 mm.
Achene
Appendage absent, no constrictions.
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