Scientific Name

Carex biwensis Franch. 솔잎사초

Subgenus classification

: Euthyceras.

Habitats

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

Stem

Clumped growth, with basal sheath color light brown, and length about 20-30 cm.

Leaves

Leaves longer than the stem, similar to the stem or shorter than the stem, have glabrous surfaces, width about 0.5-1 mm.

Inflorescence

The number of spikes one, with some spikes bisexual. Entire inflorescence length about 0.8-2.2 cm (by misinterpretation). Terminal spike sexuality androgynous. Lateral spike sexuality androgynous. Terminal spike length about 0.8-2.2 cm. Number of spikes per node one (one spike in one bract).

Bract

Lowermost bract shape scale-like (?).

Glume

Staminate glume awn absent. Pistillate glume awn absent. Pistillate glume color whitish green to light brown.

Perigynium

Transverse section trigonous to terete. Perigynium shape suborbicular (width/length > 0.5, nearly circular) 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 1.5-2.5 mm.

Achene

Appendage absent, no constrictions.