미역취아재비(1)

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