Scientific Name

Carex tegulata H.Lev. & Vaniot 구슬사초

Subgenus classification

: Carex.

Habitats

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

Stem

Scattered growth, with basal sheath color dark brown to reddish brown, and length about 20-40 cm.

Leaves

Leaves shorter than the stem, have glabrous surfaces, width about 2 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 0.5-1.5 cm. Terminal spike length about 1-2 cm. Number of spikes per node one (one spike in one bract).

Bract

Lowermost bract shape leaf-like.

Glume

Staminate glume awn absent. Pistillate glume awn absent. Pistillate glume color whitish green to light brown (?) or dark brown to blackish brown (?).

Perigynium

Transverse section lenticular to biconvex. Perigynium shape obovate (the broadest part near the apex) or suborbicular (width/length > 0.5, nearly circular), and densely flowered. Perigynium glabrous (?) or hairy or pubescent (?). Beak short (beak less than one-third of the total length), with truncate mouth. Length 2 mm.

Achene

Appendage absent, no constrictions.