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Taiwan Gramineae | Family List | Poaceae | Sorghum

Sorghum bicolor (L.) Moench, Meth. Pl. 207. 1794. Hsu, Fl. Taiwan 5: 694. 1978 .


Sorghum bicolor
leaf cross section

Credit: cs kuoh

Sorghum vulgare (L.) Pers.; Syn. Pl. 1: 101. 1805. Holcus sorghum subsp. japonicus (Hack.) Masamune & Yanagihara, Trans. Nat. Hist. Soc. Form. 31: 326. 1941.

Annuals; culms solid, erect, tall, about 2 cm in diameter. Spikelets paired, dimorphic, pedicelled spikelets linear-elliptical, 1/4 the width of the sessile spikelets, deep brown; sessile spikelets about 5 mm long, ovate; glumes coriaceous, midsection glabrous, polished, turning dark brown when mature, upper portion and callus hispid, tessellate nerved; lower glume about 5-6 mm long, 15-nerved; upper glume as long as the lower, 9-nerved; lower lemma membranous, fringed on margins, keeled, 3-nerved, about 5 mm long; upper lemma ovate, membranous, ciliate on the margins, with a geniculate awn about 10 mm long, 3-nerved, 4-4.5 mm long; palea linear, fringed, margins membranous, about 3 mm long; anthers 3, about 3 mm long. Caryopsis 2 mm long; embryo 1/3 the length of the grain.

TAICHUNG: Taichung, Suzuki s. n. July 3, 1924. TAINAN: Tainan, Hsu 290. PENG-HU Penghu, Huang & Kao 6891, Hsu 11561. HUALIEN: Tailuko, Suzuki 8787.

This is a cultivated species with many cultivars.

leaf surface 表面: (fla)flat surface

sclerenchyma 厚壁組織: (mistr)strand variable with size of vein

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

bundle sheath 維管束鞘: (sk)single bundle sheath with
conspicuous chloroplast

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

with small vein under buliform cells泡狀細胞下有小脈: (bcarc)bulliform cell with colorless cells
form an arc-shape

chlorenchyma cell number between two adjacent veins: 3

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

mestome sheath 內束鞘細胞: (Xyms -)metaxylem pole adjacent with
outer bundle sheath

distance between two adjancent vein 脈間距: 125 micrometer

length/weidth ratio of bundle sheath in LS 束鞘細胞縱面長寬比: 1

chlorenchyma cell shape in LS 葉綠細胞縱面形狀: lobed


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

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