사초과

꽃하늘지기

대효0617 2020. 11. 8. 20:22

 

학명:  Bulbostylis densa (Wall.) Hand.-Mazz.

분류:  Cyperaceae/ Bulbostylis (모기골속)

중국어명 : 丝叶球柱草

일어명 : イトハナビテンツキ(糸花火点突)

 

참조 사이트

http://plants.minibird.jp/hydrophytes/plants/shissei/a_gyou/itoHanabiTentsuki/itoHanabiTentsuki.html

 

 

사진: 2020.09.10 강화도 덕산

 

 

 

하늘지기속Fimbristylis과 모기골속Bulbostylis 구별 (둘 다 화피기 없다)

 

1. Leaf sheath without long silky hairs at apex;

nutlets without persistent style base.

...................................... Fimbristylis 

1. Leaf sheath with long silky hairs at apex; 

nutlets with persistent style base.

.................................... Bulbostylis 

 

 

수과 사진 비교(모기골속 꽃하늘지기와 하늘지기속 어른지기)

 

 

 

꽃하늘지기
(모기골속)
어른지기
(하늘지기속)
주기(넓은 쪽이 수과 선단) 
잔존
주기(넓은 쪽이 수과 선단)
탈락

 

 

 

Bulbostylis densa (Wallich) Handel-Mazzetti, Vegetationsbilder. 20(7): 16. 1930.

丝叶球柱草 si ye qiu zhu cao

(학명 이명)

Scirpus densus Wallich in Roxburgh, Fl. Ind. 1: 231. 1820; Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke var. trifida (Kunth) C. B. Clarke; Isolepis densa (Wallich) Schultes; I. tenuissima D. Don; I. trifida Kunth.

(설명)

Rhizomes absent. Culms tufted, 7-35 cm tall, slender, smooth. Leaf sheath pale, membranous, mouth long pilose; leaf blade filiform, 5-10(-13) × ca. 0.6 mm, papery, abaxially sparsely pilose, margin entire and slightly revolute, apex acuminate. Involucral bracts 2 or 3, setaceous to glumelike, 0.8-1.5 cm, much shorter than inflorescence, apex acuminate. Inflorescence a simple or subcompound anthela, with 4-7 spikelets; rays 3-5, 2-5 cm. Spikelets solitary or clustered, oblong-ovoid to ovoid, 3-6 × ca. 1.5 mm, 5-18-flowered, base rounded, apex acute. Glumes brown, ovate to broadly ovate, 1.5-2 × 1-1.5 mm, membranous, 1-3-veined, base rounded, margin ciliate, apex obtuse to rarely acute; empty glumes yellowish green, apex sometimes mucronate. Stamens 2; anthers oblong-ovoid to ovoid, base cuneate, apex acute. Style filiform; stigmas 3. Nutlet grayish purple at maturity, obovoid, ca. 0.8 × 0.5-0.6 mm, 3-sided, inconspicuously undulate-corrugate(주름이 잡힌) and puncticulate, apex contracted with a persistent depressed bulbous style base. Fl. and fr. Apr-Dec. 2n = 64.

(생육지와 분포)

 

Sandy wet places, waste slopes, trail margins, coniferous forests; 100-3200 m. Anhui, Chongqing, Fujian, Guangdong, Guangxi, Guizhou, Hebei, S Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Liaoning, Shandong, Sichuan, Taiwan, E Xizang, Yunnan, Zhejiang [Bangladesh, Bhutan, India, Indonesia, Japan, Kashmir, Myanmar, Nepal, Papua New Guinea, Philippines, Russia (Far East), Sri Lanka, Thailand, Vietnam; tropical Africa, Australia, Pacific islands].

 

http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200026520

 

 

세밀화

 

 

 

 

http://www.efloras.org/object_page.aspx?object_id=121819&flora_id=2

 

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