Scientific Name

Carex nervata Franch. & Sav. 양지사초

Subgenus classification

: Carex.

Habitats

Occurs in Gangwon, Gyeongbuk, Gyeongnam, Jeonbuk, Jeonnam or Jeju.

Stem

Scattered growth, with basal sheath color light brown, and length about 10-27 cm.

Leaves

Leaves shorter than the stem, have glabrous surfaces, width about 1.5-2.5 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 0.8-1.5 cm. Terminal spike length about 0.8-1.8 cm. Number of spikes per node one (one spike in one bract).

Bract

Lowermost bract shape thread-like.

Glume

Staminate glume awn absent. Pistillate glume awn short (awn less than one-third of the total length). Pistillate glume color whitish green to light brown.

Perigynium

Transverse section trigonous to terete. Perigynium shape obovate (the broadest part near the apex) or elliptical to narrow elliptical (the broadest part in the center), and densely flowered. Perigynium hairy or pubescent. Beak short (beak less than one-third of the total length), with bidentate to bifid mouth. Length 2.5 mm.

Achene

Appendage present, no constrictions.