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Specimen
Scientific Name
Carex callitrichos var. nana (H. Lev & Vaniot) S. Yun Liang, L. K. Dai & Y. C. Tang 가는잎그늘사초
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 3-6 cm.
Leaves
Leaves longer than the stem, similar to the stem or shorter than the stem, have hairy or pubescent surfaces, width about 0.5-1.5 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, and erect to ascend. Lateral spike length about 0.5-0.7 cm. Terminal spike length about 0.5-1 cm. Number of spikes per node one (one spike in one bract).
Bract
Lowermost bract shape leaf-like.
Glume
Staminate glume awn absent or short (awn less than one-third of the total length). Pistillate glume awn absent or short (awn less than one-third of the total length). Pistillate glume color dark brown to blackish brown.
Perigynium
Transverse section trigonous to terete. Perigynium shape obovate (the broadest part near the apex), and loosely flowered. Perigynium hairy or pubescent. Beak short (beak less than one-third of the total length), with truncate mouth. Length 3 mm.
Achene
Appendage absent, no constrictions.
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