미역취아재비(2)
https://daehyo49.tistory.com/7815644
미역취아재비(1)
https://daehyo49.tistory.com/7811568
분류학회지 2014년 3월호에 발표된 미기록종이다
Korean Pl. J. Taxon Vol, 44 No. 1 March 2014, p. 13-17,
한국미기록 귀화식물 : 미역취아재비와 미국풀솜나물, 지성진 외
학명: Euthamia graminifolia (L.) Nutt.
분류: 국화과(Asteraceae)
사진: 2017.08.19 천리포
논문 세밀화
속에 대한 기재
Euthamia Nutt
Perennials [or subshrubs]
Stems erect, simple or branched, hairy [ or glabrous], [glaucous ] or not
Leaves alternate; sessile; blades linear to lanceolate, margin entire, faces hairy [or glabrous], sparsely to densely gland-dotted
Heads in corymbiform to paniculiform
Phyllaries 1-nerved
Ray florets pistillate; corollas yellow
Disc florets bisexual; corollas yellow, lobes 5; stamens 5,; style 2-branched
Cypselae oblong to narrowly ellipsoid, pubescent; pappus white, barbellate
종에 대한 기재
Euthamia graminifolia (L.) Nutt.
Perennials with creeing rhizomes, up to 120 cm
Stems hirtellous
Leaves lanceolate, 30-110 mm long, 3-12 mm wide, gradually reduceddistally, apices acute to acuminate, margins hirtellous, faces hirtellous, gland-dotted, 3-5 nerved.
Heads 3.3-5.1 mm long
Phyllaries in 3-5 series; outer ovate, 0.6-1.4 mm long; inner oblong, 2.54.4 mm long
Ray florets 11-33
Disc florets 4-13; corollas 2.6-3.4 mm
Cypselae 0.5-0.7 mm long; pappus 2.8-3.3 long
Distribution: North and Central America, Japan, Russia, Europe and Korea
Korea: Gangwon-do
종 검색표
1. Leaves not punctate, margins toothed; disc corollas with veins
2. Cauline leaves pinnately nerved; inflorescences thyrse (밀추화서)
............................................. Solidago japonica 미역취
2. Cauline leaves 3 prominent nerves from base; inflorescences paniculiform
........................................... Solidago gigantea 미국미역취
1. Leaves punctuate, margins entire; disc corollas without vein
................................................ Euthamia graminifolia 미역취아재비
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