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Taiwan Gramineae | Family List | Poaceae | Agrostis

Agrostis rigidula var. arisan-montana (Ohwi) Veldk., Blumea. 28(1): 213. 1982.


Agrostis rigidula var. arisan-montana
leaf cs section

Credit: cs kuoh

Agrostis arisan-montana Ohwi, Acta Phytotax. Geobot. 2: 161. 1933; Hsu, Fl. Taiwan 5: 398. 1978.
Agrostis infirma arisan-montana

Blades up to 6 mm wide, slightly scaberulous. Panicle contracted, somewhat lobed, branches scabrous, the lowermost longest (2-)4-6.5 cm long. Spikelets 2-2.35 mm long. Lemma 1.5-1.7 mm long. Trichodium-net present but faint; callus hairs absent or very few, up to 0.2 m long; awn absent. Palea 0.5-0.75 mm long, 0.3-0.5 times as long as the lemma. Anthers 0.6-0.7 mm long, 0.38-0.47 times as long as the lemma.

ILAN: Taipingshan, Sasaki s. n. May 12, 1932; Nanhutashan, Kuoh 14131. MIAOLI: Penlai, Hsu 12676. NANTOU: Chitou, Hsu 845. CHIAYI: Mt. Morrison, Sasaki 12998. KAOSIUNG: Shishan, Hsu et al. 13864. HUALIEN: Luanshan, Hsu 3514.

Endemic to Taiwan

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

leaf surface 表面: (mid)upper surface with middle notch
between the veins

sclerenchyma 厚壁組織: (abscl)on abaxial side of vein

chlorenchyma 葉綠組織: (inrad)somewhat radiate and equal or
slightly large
than bundle sheath cell in width

bundle sheath 維管束鞘: (nke)bundle sheaths without chloroplast

buliform cells not well developed 泡狀細胞不發達: (irreg)epidermal cells irregular in size

chlorenchyma cell number between two adjacent veins: 7

chloroplast form in bundle sheath 束鞘細胞內之葉綠體型式: (not)no chloroplast

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

distance between two adjancent vein 脈間距: 200 micrometer

length/weidth ratio of bundle sheath in LS 束鞘細胞縱面長寬比: 5

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


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

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