Scientific Name

Carex jaluensis Kom.

Subgeneric Classification (Roalson et al. 2021)

subgenus Carex; Stylosae section

Habitats

Occurs in Gangwon, Seoul, Gyeonggi, Chungbuk, Gyeongbuk, Gyeongnam, Jeonnam or Jeju.

Stem

Scattered growth, with basal sheath color light brown, and length about 30-85 cm.

Leaves

Leaves longer than the stem or similar to the stem, have glabrous surfaces, width about 3-6 mm.

Inflorescence

The number of spikes two or more. Spike shapes different (showing distinct sexual characteristics), with all spikes unisexual or some spikes bisexual, spikes arranged loosely. Terminal spike sexuality staminate or gynecandrous. Lateral spike sexuality pistillate or androgynous, and drooping. Lateral spike length about 1.5-6 cm. Terminal spike length about 1.5-5 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 or short (awn less than one-third of the total length). Pistillate glume color whitish green to light brown.

Perigynium

Transverse section trigonous to terete. Perigynium shape obovate (the broadest part near the apex) or elliptical to narrow elliptical (the broadest part in the center), and densely flowered. Perigynium glabrous. Beak short (beak less than one-third of the total length), with truncate mouth. Length 2.5 mm.

Achene

Appendage absent, no constrictions.