Scientific Name

Carex erythrobasis H.Lev. & Vaniot 한라사초

Subgenus classification

: Carex.

Habitats

Occurs in Gangwon, Seoul, Gyeonggi, Gyeongnam, Jeonbuk, Jeonnam or Jeju, and it lives in high altitude (approximately 1000m or higher).

Stem

Clumped growth, with basal sheath color light brown or dark brown to reddish brown, and length about 12-25 cm.

Leaves

Leaves longer than the stem, have glabrous surfaces, width about NaN 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 2-3 cm. Terminal spike length about 0.7-1 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 short (awn less than one-third of the total length). Pistillate glume color whitish green to light brown (?) or dark brown to blackish 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 or bidentate to bifid mouth. Length 4 mm.

Achene

Appendage absent, no constrictions.