Scientific Name

Carex sendaica Franch. 홍노줄사초

Subgenus classification

: Carex.

Habitats

Occurs in Seoul, Gyeonggi, Chungnam, Gyeongnam, Jeonbuk (?), Jeonnam or Jeju.

Stem

Scattered growth, with basal sheath color dark brown to reddish brown, and length about 10-35 cm.

Leaves

Leaves similar to the stem or shorter than the stem, have glabrous surfaces, width about 2-3 mm.

Inflorescence

The number of spikes two or more. Spike shapes all same (no distinct differentiation between sexual characteristics), with some spikes bisexual. Spike sexuality androgynous (staminate flowers above the pistillate in the same spike), spikes arranged densely. Terminal spike sexuality androgynous. Lateral spike sexuality androgynous, and drooping. Lateral spike length about 0.8-1.5 cm. Terminal spike length about 0.8-1.5 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.

Perigynium

Transverse section lenticular to biconvex. Perigynium shape obovate (the broadest part near the apex), suborbicular (width/length > 0.5, nearly circular) 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 3 mm.

Achene

Appendage absent, no constrictions.