1. Family: Poaceae Barnhart
    1. Genus: Microstegium Nees
      1. Microstegium fasciculatum (L.) Henrard

        This species is accepted, and its native range is Uganda to Malawi, Tropical & Subtropical Asia.

    [GB]
    Habit
    Perennial; mat forming. Culms prostrate; 50-120 cm long; rooting from lower nodes. Culm-nodes glabrous, or bearded. Ligule an eciliate membrane. Leaf-blades linear, or lanceolate; 5-30 cm long; 5-20 mm wide; flaccid. Leaf-blade surface scaberulous; pilose; sparsely hairy; hairy on both sides; with tubercle-based hairs. Leaf-blade margins scabrous.
    Inflorescences
    Inflorescence composed of racemes. Racemes 3-25; digitate; 5-10 cm long. Rhachis fragile at the nodes; angular; ciliate on margins. Rhachis internodes linear; 2-3 mm long; 0.6-0.8 length of fertile spikelet. Rhachis internode tip clavate. Spikelets appressed; in pairs. Fertile spikelets sessile and pedicelled; 2 in the cluster. Pedicels linear; semiterete; ciliate.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; 2.5-4 mm long; falling entire; deciduous from the base, or with accessory branch structures. Spikelet callus bearded; base obtuse; attached transversely. Spikelet callus hairs 0.33-0.5 length of spikelet.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; 2.5-4 mm long; falling entire; deciduous from the base, or with accessory branch structures. Spikelet callus bearded; base obtuse; attached transversely. Spikelet callus hairs 0.33-0.5 length of spikelet.
    Glume
    Glumes dissimilar; firmer than fertile lemma. Lower glume elliptic; 1 length of spikelet; coriaceous; 2-keeled; keeled obtusely. Lower glume surface with a longitudinal median groove. Lower glume margins ciliate. Lower glume apex emarginate. Upper glume elliptic; 1 length of spikelet; 1-keeled; 3 -veined. Upper glume primary vein ciliate. Upper glume apex acute, or acuminate; muticous, or mucronate.
    Florets
    Basal sterile florets male, or barren; with palea. Lemma of lower sterile floret absent. Palea of lower sterile floret hyaline (3-4mm long). Fertile lemma orbicular; 0.5-1 mm long; hyaline; without keel; 0 -veined. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn from a sinus; geniculate; 4-8 mm long overall; with twisted column. Column of lemma awn glabrous. Palea oblong; 1 length of lemma; hyaline; without keels.
    Flowers
    Anthers 3; 1.4-2.7 mm long.
    Distribution
    Africa: west-central tropical and east tropical. Asia-temperate: China. Asia-tropical: India, Indo-China, and Malesia.
    Reference
    Andropogoneae. FTEA.
    [GB]
    Habit
    Perennial. Culms rambling; 60-120 cm long; rooting from lower nodes. Culm-nodes glabrous. Ligule an eciliate membrane; 0.5 mm long. Leaf-blades linear, or lanceolate; 5-15 cm long; 5-15 mm wide. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 3-20; digitate; 3-10 cm long. Rhachis fragile at the nodes; ciliate on margins. Rhachis internodes linear; 2.5-3.5 mm long. Rhachis internode tip clavate. Spikelets in pairs. Fertile spikelets sessile and pedicelled; 2 in the cluster. Pedicels linear; ciliate.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 2.5-4 mm long; falling entire; deciduous from the base, or with accessory branch structures. Spikelet callus bearded; base obtuse; attached transversely. Spikelet callus hairs white, or purple.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 2.5-4 mm long; falling entire; deciduous from the base, or with accessory branch structures. Spikelet callus bearded; base obtuse; attached transversely. Spikelet callus hairs white, or purple.
    Glume
    Glumes dissimilar; firmer than fertile lemma. Lower glume oblong; 1 length of spikelet; coriaceous; 2-keeled; keeled obtusely; 4 -veined. Lower glume surface with a longitudinal median groove; asperulous; pilose; hairy above. Lower glume apex entire, or dentate; 2 -fid; obtuse. Upper glume elliptic; 1-keeled; 3 -veined. Upper glume primary vein scabrous. Upper glume awned; 1 -awned. Upper glume awn 1.5-4 mm long.
    Florets
    Basal sterile florets with vestigial lower floret. Fertile lemma orbicular; 0.5 mm long; hyaline; without keel. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn from a sinus; geniculate; 6-12 mm long overall; with twisted column. Palea absent or minute.
    Flowers
    Lodicules 2. Anthers 3; 1-1.8 mm long.
    Distribution
    Asia-temperate: China and eastern Asia. Asia-tropical: India, Indo-China, Malesia, and Papuasia.
    Reference
    Andropogoneae. Bor.
    [FTEA]

    Gramineae, W. D. Clayton, S. M. Phillips & S. A. Renvoize. Flora of Tropical East Africa. 1974

    Habit
    Rambling perennial, extensively rooting at the lower nodes; culms mostly 50–120 cm. long.
    Leaves
    Leaf-blades broadly linear to narrowly lanceolate, thin, 5–30 cm. long, 5–20 mm. wide.
    Inflorescences
    Inflorescence composed of 3–25 subdigitate racemes, each 5–10 cm. long; internodes linear, slightly widening upwards, shorter than the sessile spikelets, ciliate in 2 rows.
    Spikelets
    Spikelets narrowly oblong, 2.5–4 mm. long; lower glume with a shallow median groove, smooth or asperulous on the back, bearded with white or purplish hairs about the callus, stiffly ciliate towards the apex; upper glume strongly keeled, the keel thrust between internode and pedicel, acute to acuminate, rarely extending into a mucro up to 0.5 mm. long; lower floret ♂ or barren, or represented by a little linear scale; upper lemma minute (0.5 mm. long), cordate, with an awn 4–8 mm. long; upper palea a square, emarginate scale 1 mm. long; anthers 3, each 1.4–2.7 mm. long.
    Figures
    Fig. 166.
    Habitat
    Shady places in forest undergrowth; 800–2000 m.
    Distribution
    T7 also in Zaire, and eastwards through India to China and the Philippine Is.

    Images

    Distribution

    Native to:

    Assam, China South-Central, China Southeast, East Himalaya, Hainan, India, Jawa, Laos, Lesser Sunda Is., Malawi, Malaya, Maluku, Myanmar, Nepal, New Guinea, Philippines, Rwanda, Sri Lanka, Sulawesi, Sumatera, Tanzania, Thailand, Uganda, Vietnam, West Himalaya, Zaïre

    Introduced into:

    Taiwan

    Microstegium fasciculatum (L.) Henrard appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1940 Wallich, N. [8807], Nepal K000245724 isotype
    Stolz, A. [1447], Tanzania K000280772 isotype
    Henry, A. [3133], Hubei K000943454 Unknown type material
    Henry, A. [11412], Yunnan K000943455 Unknown type material
    Bequaert [391], Zaire K000280770 isotype
    Sampson, T. [135], Guangdong K000943456
    Jul 1, 2007 Kerr, A.F.G. [19198], Thailand Microstegium ciliatum K000620395
    Jul 1, 2007 Kerr, A.F.G. [19198], Thailand Microstegium ciliatum K000620396
    Jul 1, 2007 Kerr, A.F.G. [17640], Thailand Microstegium ciliatum K000620397
    Jul 1, 2007 Kerr, A.F.G. [17640], Thailand Microstegium ciliatum K000620398
    Geesink, R. [7695], Thailand Microstegium ciliatum K000688604
    Henry, A. [1167], Taiwan Microstegium ciliatum K000943457 Unknown type material
    Henry, A. [1167], Taiwan Microstegium ciliatum K000943458 Unknown type material
    Kurz, S. [1207], Burma Microstegium ciliatum K000245597 holotype
    Wallich, N. [8823], Nepal Microstegium ciliatum K000245595 isotype
    Wallich, N. [8815], Nepal Microstegium ciliatum K000245596 isosyntype
    Wallich, N. [8822], India Microstegium ciliatum K000245598 isotype
    Wallich, N. [8815], Nepal Microstegium ciliatum K000245722 isosyntype
    Wallich, N. [s.n.], Nepal Microstegium ciliatum K000943562
    Wallich, N. [8815], India Microstegium ciliatum K000943561
    Wallich, N. [8823], Nepal Microstegium ciliatum K000943563
    Hance, H.F. [10746], Hong Kong Microstegium ciliatum K000943459 Unknown type material
    Jul 1, 2007 Kerr, A.F.G. [2300], Thailand Microstegium vagans K000620374
    Jul 1, 2007 Kerr, A.F.G. [2300], Thailand Microstegium vagans K000620375
    Jul 1, 2007 Kerr, A.F.G. [2300], Thailand Microstegium vagans K000620376
    Jul 1, 2007 Kerr, A.F.G. [1638], Thailand Microstegium vagans K000620379
    Jul 1, 2007 Kerr, A.F.G. [3508], Thailand Microstegium vagans K000620381
    Jul 1, 2007 Kerr, A.F.G. [6570], Thailand Microstegium vagans K000620382
    Jul 1, 2007 Kerr, A.F.G. [6570], Thailand Microstegium vagans K000620383
    Jul 1, 2007 Kerr, A.F.G. [11451], Thailand Microstegium vagans K000620385
    Jul 1, 2007 Kerr, A.F.G. [11451], Thailand Microstegium vagans K000620386
    Jul 1, 2007 Kerr, A.F.G. [15378], Thailand Microstegium vagans K000620387
    Jul 1, 2007 Kerr, A.F.G. [15378], Thailand Microstegium vagans K000620388
    Jul 1, 2007 Kerr, A.F.G. [16232], Thailand Microstegium vagans K000620389
    Jul 1, 2007 Kerr, A.F.G. [16232], Thailand Microstegium vagans K000620390
    Jul 1, 2007 Kerr, A.F.G. [13840], Thailand Microstegium vagans K000620392
    Jul 1, 2007 Kerr, A.F.G. [13840], Thailand Microstegium vagans K000620393
    Jul 1, 2007 Kerr, A.F.G. [13840], Thailand Microstegium vagans K000620394
    Jul 1, 2007 Sorensen, Th. [6553], Thailand Microstegium vagans K000688592
    Jul 1, 2007 Larsen, K. [8708], Thailand Microstegium vagans K000688598
    Jul 1, 2007 Smitinand, T. [2098], Thailand Microstegium vagans K000688593
    Jul 1, 2007 L.B. [9276], Thailand Microstegium vagans K000688596
    Jul 1, 2007 Smitinand [6173], Thailand Microstegium vagans K000688597
    Jul 1, 2007 Laegaard [21789], Thailand Microstegium vagans K000688599
    Jan 1, 2007 Garrett, H.B.G. [1031], Thailand Microstegium vagans K000688577
    Jan 1, 2007 Garrett, H.B.G. [1031], Thailand Microstegium vagans K000688578
    Jan 1, 2007 Garrett, H.B.G. [1031], Thailand Microstegium vagans K000688579
    Jan 1, 2007 Garrett, H.B.G. [1031], Thailand Microstegium vagans K000688580
    Kerr, A.F.G. [2300], Thailand Microstegium vagans K000620384
    Kerr, A.F.G. [1638], Thailand Microstegium vagans K000620377
    Kerr, A.F.G. [1638], Thailand Microstegium vagans K000620378
    Kerr, A.F.G. [1638], Thailand Microstegium vagans K000620391
    Kerr, A.F.G. [10234], Thailand Microstegium vagans K000620380
    Sorensen, Th. [994], Thailand Microstegium vagans K000688583
    Larsen, K. [8954], Thailand Microstegium vagans K000688602
    Hansen, B. [12659], Thailand Microstegium vagans K000688594
    Hooker, J.D. [s.n.], India Microstegium vagans K000245723 isosyntype
    Hooker, J.D. [s.n.], India Microstegium vagans K000943564
    van Beusekom, C.F. [4640], Thailand Microstegium vagans K000688581
    van Beusekom, C.F. [3775], Thailand Microstegium vagans K000688582
    Smitinand, T. [1679], Thailand Microstegium vagans K000688585
    Smitinand, T. [3766], Thailand Microstegium vagans K000688586
    Smitinand, T. [8758], Thailand Microstegium vagans K000688601
    Smitinand, T. [2143], Thailand Microstegium vagans K000688603
    Hennipman, E. [3564], Thailand Microstegium vagans K000688591
    Wallich, N. [8807], Nepal Microstegium vagans K000245593 isotype
    Wallich, N. [8819], Burma Microstegium vagans K000245594 isotype
    Tagawa, M. [T 2441], Thailand Microstegium vagans K000688595
    Phloenchit [959], Thailand Microstegium vagans K000688584
    Ryves, T.B. [KS95/006], Thailand Microstegium vagans K000688576
    Sukkri [88], Thailand Microstegium vagans K000688600

    First published in Blumea 3: 453 (1940)

    Accepted by

    • Chen, C.H., Veldkamp, J.-F. & Kuoh, C.S. (2012). Taxonomic revision of Microstegium s.str. (Andropogoneae, Poaceae) Blumea 57: 160-189.
    • Newman, M., Ketphanh, S., Svengsuksa, B., Thomas, P., Sengdala, K., Lamxay, V. & Armstrong, K. (2007). A checklist of the vascular plants of Lao PDR: 1-394. Royal Botanic Gardens, Edinburgh.
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Chen, C.H., Veldkamp, J.-F. & Kuoh, C.S. (2012). Taxonomic revision of Microstegium s.str. (Andropogoneae, Poaceae) Blumea 57: 160-189.
    • Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand Indian Journal of Forestry 32: 657-668.
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.
    • Press, J.R. et al. (2000). Annotated Checklist of the Flowering Plants of Nepal: i-x, 1-430. Natural History Museum, London.
    • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
    • Troupin, G. (ed.) (1988). Flora du Rwanda 4: I-X, 1-651. Musee Royal de l'Afrique Centrale.
    • Clayton, W.D. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0