Top Scientific Name Subgenus classification Habitats Stem Leaves Inflorescence Bract Glume Perigynium Achene

Scientific Name

Carex dimorpholepis Steud. 이삭사초

Subgenus classification

: Carex.

Habitats

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

Stem

Clumped growth, with basal sheath color dark brown to reddish brown, and length about 35-80 cm.

Leaves

Leaves longer than the stem or similar to the stem, have glabrous surfaces, width about 4-7 mm.

Inflorescence

The number of spikes two or more. Spike shapes all same (no distinct differentiation between sexual characteristics) or different (showing distinct sexual characteristics), with some spikes bisexual, spikes arranged loosely. Terminal spike sexuality gynecandrous or androgynous. Lateral spike sexuality pistillate, gynecandrous or androgynous, and drooping. Lateral spike length about 4.5-5.5 cm. Terminal spike length about 4-6 cm. Number of spikes per node one (one spike in one bract).

Bract

Lowermost bract shape leaf-like.

Glume

Staminate glume awn long (awn more than one-third of the total length). Pistillate glume awn long (awn more than one-third of the total length). Pistillate glume color whitish green to light brown.

Perigynium

Transverse section lenticular to biconvex. Perigynium shape 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 3 mm.

Achene

Appendage absent, no constrictions.