Scientific Name

Carex augustinowiczii Meinsh. 북사초

Subgenus classification

: Carex.

Habitats

Occurs in Gangwon, Seoul, Gyeonggi, Gyeongbuk or Jeonnam.

Stem

Clumped growth, with basal sheath color dark brown to reddish brown, and length about 30-50 cm.

Leaves

Leaves longer than the stem or similar to the stem, have glabrous surfaces, width about 2-3 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 or gynecandrous, and erect to ascend. Lateral spike length about 1.5-3.5 cm. Terminal spike length about 1.5-3.5 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 dark brown to blackish brown.

Perigynium

Transverse section trigonous to terete. Perigynium shape obovate (the broadest part near the apex) (?), elliptical to narrow elliptical (the broadest part in the center) (?) or ovate-lanceolate (the broadest part near the base) (?), and densely flowered. Perigynium glabrous. Beak short (beak less than one-third of the total length), with truncate mouth. Length 3 mm.

Achene

Appendage absent, no constrictions.