找植物
找標本
電子書

Hypolytrum nemorum

割雞芒

Hypolytrum nemorum (Vahl) Spreng.
名彙資訊
特徵描述
典藏標本
數位照片
分布位置
相關資訊

名彙資訊

學名發表文獻

Spreng., Systema Vegetabilium 1: 233. 1825.  (Syst. Veg.)

台灣首次記錄發表文獻

Koyama, Flora of Taiwan 5: 193. 1978.  (Fl. Taiwan, 台灣植物誌)

異名

  • Hypolytrum formosanum Ohwi
    Ohwi, Memoirs of the College of Science, Kyoto Imperial University. Series B. Biology 18: 168. 1944.  (Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol.)

各語言俗名

  • 台灣割雞.
  • すげがや.

參考文獻

  • Yang, A list of plants in Taiwan . 1982.  (List Pl. Taiwan, 台灣植物名彙)

特徵描述

生活型

herb

形態特徵

  • Perennial with short oblique woody rhizome and rather stout roots.
  • Leaves radical and 1 or 2 upper cauline; blades broadly linear, folded toward base, flattish plicate above, 10-23 mm wide, 6-130 cm long, rigidly herbaceous, fresh-green above, whitish below, often tinged with purple or red beneath on lower part, gradually tapering to acute tip, cauline leaf sheaths tightly clothing culm-internode, tinged with light purple or cinnamon-brown, basal sheaths 2-15 cm long, reddish brown to purple. Leaves radical and 1 or 2 upper cauline; blades broadly linear, folded toward base, flattish plicate above, 10-23 mm wide, 6-130 cm long, rigidly herbaceous, fresh-green above, whitish below, often tinged with purple or red beneath on lower part, gradually tapering to acute tip, cauline leaf sheaths tightly clothing culm-internode, tinged with light purple or cinnamon-brown, basal sheaths 2-15 cm long, reddish brown to purple. Leaves radical and 1 or 2 upper cauline; blades broadly linear, folded toward base, flattish plicate above, 10-23 mm wide, 6-130 cm long, rigidly herbaceous, fresh-green above, whitish below, often tinged with purple or red beneath on lower part, gradually tapering to acute tip, cauline leaf sheaths tightly clothing culm-internode, tinged with light purple or cinnamon-brown, basal sheaths 2-15 cm long, reddish brown to purple. Culms central, 35-90 cm tall, 1-3 mm thick below, trigonous, smooth except below inflorescence, distantly 1- or 2-nodose.
  • Inflorescence a compound corymb, hemispherical or broadly ovoid in outline, 2-7 cm tall, 3-10 cm wide, densely bearing many spikelets, axis 3- or 4-nodose, 2-5 cm long, hispid on angles; branches spreading to obliquely ascending, single to 3-nate, 1.5-3 cm long, clothed at base with a prophyll 4-13 mm long. Bracts 2 or 3, leaf like, none sheathing, lowest much surpassing f corymb, 10-40 cm long, second equalling to slightly longer than corymb, third setaceous to spathaceous. Spikelets short, 1-7 mm long, peduncled, globose to ellipsoid, 3-7 mm long, 2.5-6 mm wide, densely many-flowered.
  • Glumes ovate-orbicular to elliptic, 1.3-2.5 mm long, 1.2-2 mm wide, rounded to apex, membranaceous, light brown and lineolate with deep brown. Prophylls free or more or less connate on abaxial side, 1.2-1.8 mm long. Fruit much exserted over glume, broadly ovate, thickly biconvex, 1.8-3 mm long, 1.3-1.5 mm wide, yellow brown to rusty-brown, densely spotted with dark red-brown tannin cells, irregularly 2-5-ridged on both sides, rounded below, abruptly attenuate above to a short conical beak; stigmas 2.

分布

  • 世界 : Tropical and subtropical forests. Widely distributed from India through Indochina to Taiwan and to Malesia and Polynesia.

引證標本

TAIPEI: Sepiteisho-Kanko, Hatusima (KYO, type of H. formosanum); Keelung Beauchamp 1258; Hsiaochantou, Hsu 1027. TAITUNG: Lanyu Is., Hsu s. n.

參考文獻

典藏標本

共有 30 份典藏標本 所有標本模式標本

    250862
    吳聖傑 Sheng-Chieh Wu, etc.
    台北 Taipei
    211908
    黃星凡 S.F.Huang
    台北 Taipei
    200674
    Y.F.Chen
    高雄 Kaohsiung
    144381
    郭長生 Chang-Sheng Kuoh
    台北 Taipei
    147048
    郭長生 C.S.Kuoh
    台北 Taipei
    P65316
    郭長生 C.S.Kuoh
    台東 Taitung
    158010
    郭長生 C.S.Kuoh
    台東 Taitung
    P65315
    郭長生 C.S.Kuoh
    台東 Taitung
    150244
    郭長生 Chang-Sheng Kuoh
    台東 Taitung
    170980
    K.S.Hsu, C.T.Moo, H.J.Chang
    台北 Taipei
    171006
    李玉群
    嘉義 Chiayi
    146951
    K.S.Hsu, C.T.Moo, H.J.Chang
    台北 Taipei
    170979
    K.S.Hsu, C.T.Moo, H.J.Chang
    台北 Taipei
    146950
    K.S.Hsu, C.T.Moo, H.J.Chang
    台北 Taipei
    170981
    K.S.Hsu, C.T.Moo, H.J.Chang
    台北 Taipei
    171005
    許建昌 Chien-Chang Hsu
    台中 Taichung
    169525
    高木村 M.T.Kao
    台北 Taipei
    025210
    高木村 M.T.Kao
    台北 Taipei
    025209
    高木村 M.T.Kao
    台北 Taipei
    169526
    高木村 M.T.Kao
    台北 Taipei
    025211
    高木村 M.T.Kao
    台北 Taipei
    025213
    高木村 M.T.Kao
    台北 Taipei
    025212
    Simada-Hidetaro
    台北 Taipei
    025214
    清水英夫 Hideo Shimizu
    台北 Taipei
    218778
    台東 Taitung
    KYO_00022211
    初島住彥 S.Hatusima
    台北 Taipei
    164810
    佐佐木舜一 S.Sasaki
    台北 Taipei
    026270
    佐佐木
    台北 Taipei
    025216
    佐佐木舜一 S.Sasaki
    台東 Taitung
    025215
    佐佐木舜一 S.Sasaki
    台東 Taitung

    共有 1 份典藏標本所有標本模式標本

      KYO_00022211
      初島住彥 S.Hatusima
      台北 Taipei

      數位照片

      分布位置

      相關資訊

      X
      如需更為清晰的檔案,請洽管理員。
      如為學術使用,請標明資料來源;如需商業使用,請聯繫臺灣大學數位人文研究中心

      標本館

      標本類型

      館號

      標籤學名

      採集者

      採集編號

      採集日期

      採集地點

      標本描述

      引用文獻

      鑑定者

      鑑定日期

      X