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Taiwan Gramineae | Family List | Poaceae | Leptochloa

Leptochloa chinensis (L.) Nees in Syll. Ratisb. 1: 4. 1824. Hsu, Fl. Taiwan 5: 90. 1978; Koyama, Grass. Jap. Neighb. Reg. 261. 1987.


Leptochloa chinensis

Credit: CS Kuoh

Poa chinensis L., Sp. Pl. 69. 1753.

Anual culm tufted, erect, the base geniculate or ascending, 3-6-noded; ligule membranous 1-2 mm long, fringed with cilia. Inflorescence a panicle , 10-20 cm long, spikelets racemosely arranged on one side of the primary branches. Spikelets (2-)3-7-flowered, about 2.5 mm long, often purplish; glumes membranous pointed, minute, subequal, 1-nerved; lower glume about 0.8 mm long; upper glume longer, about 1 mm long; lemmas keeled, obtuse, glabrous or somewhat pubescent, 3-nerved; the lowest lemma about 1.5 mm long; palea minute, membranous 2-keeled, apex blunt, about 0.8 mm long; anthers 3, about 0.2 mm long. Caryopsis globose, about 1 mm long.

TAIPEI: NTU Campus, De Vol 7433, Hsu 4584; Kuanyingshan, Chuang 2827*. ILAN: Lotung, Suzuki 5854; Suao, Hsu 860. TAOYUAN: Hsinpu, Suzuki 164. MIAOLI: Chunan, Hsu s. n. Aug. 20, 1954. TAICHUNG: Taichung, Suzuki 8456; Houli, Hsu 4701. NANTOU: Puli, Hsu 1379. CHIAYI: Chiayi, Suzuki & Kamikoti 4693. TAINAN: Matou, Morimoto 5577. PINGTUNG: Pingtung, Yamamoto & Suzuki 1714. Hsu 530. HUALIEN: Hualien, Suzuki & Kudo 5090.

Distributed in South-east Asia.

This species is locally very rich in waste fields and paddy fields.

midrib 中肋: (sm)small:with one vascular bundle

leaf surface 表面: (sha)upper surface with shallow notch
between the veins

sclerenchyma 厚壁組織: (boscl)(bostr)on both sides of veins as
strand or girder

chlorenchyma 葉綠組織: (radia)cells radiate and lesser than
bundle sheath cell in width

bundle sheath 維管束鞘: (dko)two bundle sheaths the outer one
with conspicuous chloroplast

buliform cells well developed 泡狀細胞發達: mainly appear in adaxial side

no small vein under buliform cells泡狀細胞下無小脈: (bcfan)bulliform cell with colorless cells
extend beneath it

chlorenchyma cell number between two adjacent veins: 4

chloroplast form in bundle sheath 束鞘細胞內之葉綠體型式: (inn)large amount and in centripetal site

mestome sheath 內束鞘細胞: (Xyms+)metaxylem pole adjacent with
mestome sheath

distance between two adjancent vein 脈間距: 154 micrometer

length/weidth ratio of bundle sheath in LS 束鞘細胞縱面長寬比: 0


Related Objects Image Gallery 
  • Image/JPEG (CS Kuoh)
  • Image/JPEG
  • leaf cross section (cs kuoh)
  • Image/JPEG
  • Image/GIF (CC Hsu, 1975 Taiwan Grasses)
  • Image/GIF

    Flora of China  
  • Illustration
  • Illustration

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