1. Family: Poaceae Barnhart
    1. Phacelurus Griseb.

      1. This genus is accepted, and its native range is Tropical & S. Africa, SE. Europe to Japan and Indo-China.

    [FTEA]

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

    Habit
    Perennials
    Leaves
    Leaf-blades linear or rarely terete; ligule membranous
    Inflorescences
    Inflorescence terminal, composed of subdigitate (rarely solitary or with a long central axis), ± flattened racemes; internodes and pedicels clavate to inflated
    Spikelets
    Sessile spikelet flat or slightly convex across the back (rarely concave); callus truncate, with or without a central peg; lower glume membranous to subcoriaceous, 2-keeled, winged or not; lower floret ♂ or reduced to a hyaline lemma; upper lemma entire and awnless Pedicelled spikelet usually smaller than the sessile, sometimes vestigial or with an elongated callus.
    Sessile
    Sessile spikelet flat or slightly convex across the back (rarely concave); callus truncate, with or without a central peg; lower glume membranous to subcoriaceous, 2-keeled, winged or not; lower floret ♂ or reduced to a hyaline lemma; upper lemma entire and awnless
    Fruits
    Caryopsis oblong, dorsally compressed
    Pedicelled
    Pedicelled spikelet usually smaller than the sessile, sometimes vestigial or with an elongated callus.
    [GB]

    nonem

    Habit
    Perennial. Rhizomes absent (6), or short (2), or elongated (2). Culms erect (6/6); 20-112.5-250 cm long. Lateral branches ample (1/1). Ligule an eciliate membrane (1), or a ciliolate membrane (7), or a fringe of hairs (3). Leaf-blades filiform (1), or linear (9), or lanceolate (2); herbaceous (9), or coriaceous (1). Leaf-blade midrib widened (3/3).
    Inflorescences
    Inflorescence composed of racemes. Racemes single (4), or paired (1), or digitate (4), or borne along a central axis (5). Rhachis tough (9), or fragile at the nodes (1); angular (2), or semiterete (8). Rhachis internodes columnar (3), or oblong (3), or clavate (2), or cuneate (4), or inflated (1); with the lower often bearing triads (1/1). Rhachis internode tip transverse; flat (8), or cupuliform (1), or crateriform (1). Raceme-bases brief (8), or linear (2). Spikelets appressed (2/2); in pairs. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 1 in the cluster. Pedicels linear (4), or columnar (2), or oblong (1), or clavate (3), or cuneate (2), or inflated (2); tip cupuliform (1/1).
    Sterile
    Companion sterile spikelets rudimentary (4), or well-developed; deciduous with the fertile (1), or separately deciduous (9). Companion sterile spikelet callus indistinct (8), or square (1), or oblong (1), or linear (1). Companion sterile spikelet glumes muticous (2/2), or mucronate (1/2).
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate (4), or oblong (1), or ovate (6); dorsally compressed; 0.3-8.346-24 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus brief (8), or square (2), or oblong (1); pubescent (3/3); base truncate; simple (7), or with central peg (3); attached transversely. Companion sterile spikelets rudimentary (4), or well-developed; deciduous with the fertile (1), or separately deciduous (9). Companion sterile spikelet callus indistinct (8), or square (1), or oblong (1), or linear (1). Companion sterile spikelet glumes muticous (2/2), or mucronate (1/2).
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate (4), or oblong (1), or ovate (6); dorsally compressed; 0.3-8.346-24 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus brief (8), or square (2), or oblong (1); pubescent (3/3); base truncate; simple (7), or with central peg (3); attached transversely.
    Glume
    Glumes reaching apex of florets (3), or exceeding apex of florets (7); firmer than fertile lemma. Lower glume lanceolate (4), or elliptic (1), or oblong (2), or ovate (6); chartaceous (1), or coriaceous (9); without keels (1), or 2-keeled (9); wingless (7), or winged on keel (3); 1-3 -veined (1/2), or 10-12 -veined (1/2). Lower glume intercarinal veins obscure (3/4), or distinct (1/4). Lower glume surface convex (4), or flat (8), or concave (2); smooth (7), or scabrous (2), or spinose (1), or muricate (1); glabrous (9), or puberulous (1), or pubescent (1), or pilose (2), or hirsute (1), or villous (1). Lower glume apex emarginate (3), or obtuse (5), or acute (4), or acuminate (2), or caudate (1); muticous, or mucronate (1). Upper glume lanceolate (4), or oblong (5), or ovate (1); membranous (1), or chartaceous (9); without keels (2), or 1-keeled (8); 3 -veined (8/8). Upper glume apex acute (2/4), or acuminate (2/4).
    Florets
    Basal sterile florets male (6), or barren (4); with palea (7), or without significant palea (3). Lemma of lower sterile floret lanceolate (2/3), or oblong (1/3); hyaline; 2 -veined (4/5), or 5-7 -veined (1/5); acute (1/2), or acuminate (1/2); muticous (2/3), or mucronate (1/3). Fertile lemma lanceolate (9), or oblong (1); hyaline; without keel; 2 -veined (1/4), or 3 -veined (3/4). Lemma apex acute (1/2), or acuminate (1/2). Palea 0.5 length of lemma; hyaline (9), or membranous (1); 2 -veined (1/1).
    Flowers
    Anthers 3 (1/1).
    Distribution
    Europe (1), or Africa (4), or Temperate Asia (5), or Tropical Asia (3).
    [FZ]

    Gramineae, T. A. Cope. Flora Zambesiaca 10:4. 2002

    Habit
    Perennial.
    Ligules
    Ligule membranous; leaf laminas setaceous or flat.
    Inflorescences
    Inflorescence terminal, usually of ± flattened digitate racemes, these rarely single or paniculate, often tardily disarticulating; rhachis internodes columnar to inflated.
    Fruits
    Caryopsis oblong, dorsally compressed.
    Spikelets
    Pedicelled spikelet usually resembling the sessile spikelet but mostly smaller and rarely bisexual, occasionally vestigial, rarely with an elongated callus (not in the Flora Zambesiaca area); pedicel free, resembling the internode. Sessile spikelet flat or slightly convex (rarely concave) across the back; callus truncate, flat or with a central peg; inferior glume membranous to coriaceous, smooth or muricate, the keels winged or not; inferior floret male, or barren and then with or without a palea; superior lemma entire and awnless.

    Images

    Distribution

    Doubtfully present in:

    Yugoslavia

    Native to:

    Afghanistan, Albania, Angola, Assam, Bangladesh, Benin, Bulgaria, Cambodia, Cameroon, Central African Repu, Chad, China North-Central, China South-Central, China Southeast, Congo, East Aegean Is., East Himalaya, Equatorial Guinea, Gabon, Ghana, Greece, India, Ivory Coast, Japan, Korea, KwaZulu-Natal, Laos, Lebanon-Syria, Malawi, Manchuria, Mozambique, Myanmar, Nepal, Niger, Nigeria, Pakistan, Sudan, Tanzania, Thailand, Togo, Turkey, Turkey-in-Europe, Vietnam, West Himalaya, Zambia, Zaïre, Zimbabwe

    Phacelurus Griseb. appears in other Kew resources:

    First published in Spic. Fl. Rumel. 2: 423 (1846)

    Accepted by

    • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Flora Zambesiaca
    • Clayton in Kew Bull. 33: 175–179 (1978).
    • Spic. Fl. Rumel. 2: 423 (1846).
    Flora of Tropical East Africa
    • Clayton in K.B. 33: 175–179 (1978)
    • Spicil Fl. Rumel. Bithyn. 2: 423 (1846)

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. 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 2018. 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