Scientific Name

Carex metallica H.Lev. 흰이삭사초

Subgenus classification

: Carex.

Habitats

Occurs in Jeju.

Stem

Clumped growth, with basal sheath color dark brown to reddish brown, and length about 15-50 cm.

Leaves

Leaves longer than the stem, similar to the stem or shorter than the stem, have glabrous surfaces, width about 3-5 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 or densely (?). Terminal spike sexuality staminate or gynecandrous. Lateral spike sexuality pistillate or gynecandrous, and erect to ascend. Lateral spike length about 2.5-4.5 cm. Terminal spike length about 2-5 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) (?), elliptical to narrow elliptical (the broadest part in the center) (?) or ovate-lanceolate (the broadest part near the base) (?), and densely flowered. Perigynium glabrous or hairy or pubescent. Beak short (beak less than one-third of the total length) or long (beak more than one-third of the total length), thick (the beak is not distinguished from the perigynium , and the starting point of the beak is more than one-third of the widest part of the perigynium), with bidentate to bifid mouth. Length 7 mm.

Achene

Appendage absent, no constrictions.