Scientific Name

Carex breviculmis R.Br. 청사초

Subgenus classification

: Carex.

Habitats

Occurs in Gangwon, Seoul, Gyeonggi, Chungbuk, Chungnam, Gyeongbuk, Gyeongnam, Jeonbuk, Jeonnam or Jeju.

Stem

Clumped growth, with basal sheath color light brown, and length about 8-40 cm.

Leaves

Leaves shorter than the stem, have glabrous surfaces, width about 2-3(-5) mm.

Inflorescence

The number of spikes two or more. Spike shapes different (showing distinct sexual characteristics), with all spikes unisexual, spikes arranged loosely or densely. Terminal spike sexuality staminate. Lateral spike sexuality pistillate, and erect to ascend. Lateral spike length about 0.6-1.5 cm. Terminal spike length about 1-1.5 cm. Number of spikes per node one (one spike in one bract).

Bract

Lowermost bract shape leaf-like.

Glume

Staminate glume awn short (awn less than one-third of the total length). Pistillate glume awn long (awn more 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), and densely flowered. Perigynium hairy or pubescent. Beak short (beak less than one-third of the total length), with truncate mouth. Length 2.5-3 mm.

Achene

Appendage present, no constrictions.