열대피(비공개)
https://daehyo49.tistory.com/7813378
상위 분류군 검색표 http://blog.daum.net/daehyo/7808294
피속 Echinochloa 종 비교표와 검색표 http://blog.daum.net/daehyo/7810247
학명 : Echinochloa colona (L.) Link
분류 : Poaceae/기장아과 Panocoideae /기장족 Paniceae/돌피속 Echinochloa
학명 풀이
Echinochloa : From the Greek echinos (hedgehog), and chloa (grass or young herbage)
사진 : 2023.09.08 파주 오금리
총은 가지를 치지 않으며 소수가 네 줄로 단정한 모습이며 까락이 없는 것이 특징이다(벼과.사초과 생태도감)
제1포영은 소수의 1/2 이상(FOC)이다
제1포영은 소수의 1/2 이상(FOC)이다
FOC 설명
Echinochloa colona (Linnaeus) Link, Hort. Berol. 2: 209. 1833.
光头稗 guang tou bai
(학명 이명)
Panicum colonum Linnaeus, Syst. Nat., ed. 10, 2: 870. 1759; Echinochloa crusgalli (Linnaeus) P. Beauvois subsp. colona (Linnaeus) Honda; Milium colonum (Linnaeus) Moench; Oplismenus colonus (Linnaeus) Kunth; P. crusgalli subsp. colonum (Linnaeus) Makino & Nemoto.
(설명)
Annual. Culms erect or ascending, up to 60 cm or more tall. Leaf sheaths compressed and keeled; leaf blades linear, flat, 3–20 × 0.3–0.7 cm, glabrous, sometimes with transverse purple bands, margins slightly scabrous, apex acute. Inflorescence narrow, 5–10 cm; racemes 1–2 cm, erect or sometimes stiffly diverging, simple, separated or overlapping by up to half their length or more, rachis usually without long, tubercle-based hairs, spikelets tightly congested in 4 neat rows. Spikelets plumply ovate-oblong, 2–3 mm, hirtellous, sharply acute; lower glume ca. 1/2 as long as spikelet; lower lemma staminate or sterile; upper lemma whitish at maturity, elliptic. Fl. and fr. summer and autumn. 2n = 36.
A weed of damp places and irrigated fields. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Sichuan, Taiwan, Xinjiang, Xizang, Yunnan, Zhejiang [warm regions throughout the world].
Echinochloa colona is a widespread, weedy species, distinguished by its short, neat, usually rather openly spaced racemes of rounded, awnless spikelets.
http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242319661
