단풍고사리삼

단풍고사리삼

 

 

	단풍고사리삼 과명 Ophioglossaceae (고사리삼과) 속명 Sceptridium (고사리삼속) 전체학명 Sceptridium nipponicum (Makino) Holub Preslia( 45 : 277. 1973 ) 추천명 단풍고사리삼 이명 외국명 단풍고사리삼

Plants small, winter-green. Rhizomes erect, short, cylindrical, annually producing 1 frond 20-50 cm tall. Sterile lamina: stalk 4.5-19 cm, glabrous; lamina subternate, tripinnate, ca. 10 cm long and wide, herbaceous or membranous, reddish in winter; lower pinnae broadly ovate, long stalked, upper ones much narrower; ultimate segments large, differentiated from lateral pinnules, elongate, 8-15 × 5-10 mm, margin finely serrate, apex acute; veins pinnate, free. Sporophore arising 1.5-6 cm above base of common stipe (or distinctly below middle of common stipe), much taller than sterile lamina, deciduous after spore dispersal; stalk ca. 40 cm; lamina smaller than sterile lamina; sporangia globose, attached on both lateral sides of axes. Spore surface irregularly reticulate with fine granules. 2n = 90.

Forests. Guangxi [Japan, Korea]. 

http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242308878