2017년 Korean J. Plant Res. 제30권 3호에 실린 논문
A New Record of Adenostemma madurense DC. (Asteraceae) in Korea
Keum Seon Jeong1, Tae Im Heo2, Kang Hyup Lee1, Kyung Choi1 and Hyuk-Jin Kim1*에서 발표된 종이다.
학명: Adenostemma madurense DC.
분류: 국화과
일어명: オカダイコン(岡大根)
사진 : 2018.09.15 제주도
설명
Herbs, annual, 30-150cm tall. Stems erect, or lower part of stem rooting, solitary, rigid,
unbranched or branched upper part, white puberulent. Leaves 8-12, cauline, remote;
basal leaves withered before anthesis; median leaves large; petiole narrowly winged, 5-10cm; broadly ovate or ovate-oblong, 15-21cm long, 7-12 cm wide, both surfaces sparsely
puberulent or glabrescent, glabrose or rarely pilose on veins, apex acute or obtuse, base
broadly or narrowly cuneate, margin obtusely toothed; upper leaves ovate-oblong, ovate or oblong, smaller than lower leaves , shortlypetiolate; Capitula few, small, in alax or dense
corymb or panicle; peduncle slender, 0.8-4cm, gray white or ferruginous puberulent;
involucre hemispheric, 4-5 X 6-7.5 mm , to 7mm in diam. at fruiting; phyllaries 2-seriate,
green, equal, narrowly elliptic, thin, submembranous, outer phyllaries mostly connate, white
villous, apex obtuse; corollas 1.5cm long, densely hairy.Achenes blackish brown when
mature, oblanceolate, irregularly subtriangular, 3-3.5mm long, smooth, slightly glandular
muricate at the upper part. sometimes contracted at base, apex obtuse; pappus 3 or 4 thick spreading setae.ca. 0.7mm long. (Fig. 1,3)
종하 분류군 검색표
1. Stem divaricately branched ; Leaves blade elliptic-lanceolate to elliptic, 4-7 X 3-5cm;
both surfaces sparsely puberulent. Achenes tuberculate and muricate
........................................................ A. lavenia 물머위
1. Stem simple, solitary; Leaves broadly ovate or ovate-oblong, 15-21 cm long, 7-12cm
wide, both surfaces sparsely puberulent or glabrescent;
Achenes smooth, slightly muricate at the upper part
........................................................ A. madurense 산물머위