1. Family: Poaceae Barnhart
    1. Danthoniopsis Stapf

      1. This genus is accepted, and its native range is Africa, Arabian Peninsula to Pakistan.

    [GB]

    nonem

    Habit
    Annual (1), or perennial (15). Rhizomes absent (14), or elongated (2). Culms erect (10/12), or geniculately ascending (3/12), or decumbent (2/12); slender (1/1); 10-100.6-300 cm long; firm (14), or woody (2); rooting from lower nodes (1/1). Culm-internodes terete (1/1). Lateral branches lacking (2/3), or sparse (1/3). Leaf-sheath auricles absent (15), or erect (1). Ligule a fringe of hairs. Leaf-blade base without a false petiole (15), or with a false petiole (1). Leaf-blades persistent (15), or deciduous at the ligule (1); filiform (2), or linear (11), or lanceolate (6); stiff (2), or firm (14). Leaf-blade margins cartilaginous (3/3). Leaf-blade apex muticous (15), or pungent (1).
    Inflorescences
    Inflorescence a panicle. Panicle open (11), or contracted (6). Spikelets solitary (12), or in pairs (3), or in threes (4). Fertile spikelets pedicelled; 1 in the cluster (1/7), or 2 in the cluster (3/7), or 3 in the cluster (4/7); subequal (1/1).
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate (6), or elliptic (3), or oblong (14); laterally compressed; 3.735-9.262-20 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; glabrous (2), or pubescent (6), or pilose (1), or bearded (8); truncate (9), or obtuse (6), or 2-toothed (1).
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate (6), or elliptic (3), or oblong (14); laterally compressed; 3.735-9.262-20 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; glabrous (2), or pubescent (6), or pilose (1), or bearded (8); truncate (9), or obtuse (6), or 2-toothed (1).
    Glume
    Glumes persistent; shorter than spikelet (5), or reaching apex of florets (11); thinner than fertile lemma; parallel to lemmas (11), or gaping (5). Lower glume lanceolate (3), or elliptic (4), or oblong (6), or ovate (11); 0.33-0.6306-1 length of upper glume; membranous (3), or chartaceous (15); without keels; 3 -veined (14), or 4 -veined (2), or 5 -veined (3), or 7 -veined (1). Lower glume surface smooth (14), or asperulous (2); glabrous (13), or puberulous (3), or pubescent (3), or pilose (2). Lower glume apex obtuse (1), or acute (10), or acuminate (4), or cuspidate (1), or caudate (1); muticous (13), or mucronate (4). Upper glume lanceolate (9), or elliptic (2), or oblong (4), or ovate (6); membranous (1), or chartaceous (15); without keels; 3 -veined (11), or 4 -veined (2), or 5 -veined (5), or 7-8 -veined (1), or 9 -veined (2). Upper glume surface smooth (14), or asperulous (2); glabrous (14), or puberulous (1), or pubescent (3), or pilose (2). Upper glume apex entire, or dentate (1); 2 -fid (1/1); obtuse (3), or acute (4), or acuminate (7), or rostrate (1), or caudate (3); muticous (15), or mucronate (1).
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret lanceolate (6), or elliptic (5), or oblong (6), or ovate (7); membranous; 3 -veined (1), or 5 -veined (8), or 6 -veined (5), or 7 -veined (12), or 8-9 -veined (2); truncate (2/15), or acute (8/15), or acuminate (5/15), or caudate (1/15); muticous (13), or mucronate (3). Palea of lower sterile floret wingless (13), or winged on keels (3). Fertile lemma lanceolate (2), or oblong (15); coriaceous; without keel; 5 -veined (5), or 6 -veined (3), or 7 -veined (8), or 9 -veined (5), or 10 -veined (1), or 11 -veined (2). Lemma surface glabrous (5), or pubescent (2), or pilose (9); without hair tufts (3), or with a transverse row of hair tufts (11), or with a transverse fringe of hair (2). Lemma margins involute; interlocking with palea keels; eciliate, or ciliate (1). Lemma apex dentate (1), or lobed (15); 2 -fid; incised 0.1-0.3062-0.5 of lemma length; acuminate (1/1); awned; 1 -awned (13), or 3 -awned (3). Principal lemma awn from a sinus; geniculate. Column of lemma awn glabrous (15), or pubescent (1). Lateral lemma awns shorter than principal (3/3). Palea 0.7 length of lemma; 2 -veined. Palea keels separated (1), or approximate (10), or contiguous above a sulcus (5); unthickened (2), or thickened (14); wingless (1), or winged (15); with entire wings (11/15), or toothed wings (2/15), or clavate appendages on wings (2/15); eciliate (13), or ciliolate (2), or ciliate (1). Palea surface glabrous (14), or pubescent (2).
    Flowers
    Lodicules 2 (6/6); fleshy (5/5). Anthers 3 (15/15). Ovary glabrous (2/2).
    Fruits
    Caryopsis with adherent pericarp (15/15); fusiform (1/4), or ellipsoid (1/4), or oblong (1/4), or ovoid (1/4), or obovoid (1/4); isodiametric (1/2), or flattened (1/2); biconvex (1/1). Hilum linear (2/2).
    Distribution
    Africa (15), or Temperate Asia (2), or Tropical Asia (1).
    [FZ]

    Gramineae, W. D. Clayton. Flora Zambesiaca 10:3. 1989

    Inflorescences
    Panicle open or contracted, bearing spikelets in groups of 2–3.
    Spikelets
    Spikelets mostly purplish, disarticulating beneath each floret.
    Glume
    Glumes usually glabrous.
    Lemma
    Inferior lemma 5–9-nerved (D. pruinosa 3-nerved). Superior lemma usually with 2–8 transversely arranged tufts of hair, sometimes glabrous, bilobed, geniculately awned, the awn usually deciduous; callus square to oblong, obtuse; palea keels winged, the wings clasped by inrolled margins of lemma and often terminating in an auricle or clavate swelling.

    Images

    Distribution

    Native to:

    Angola, Botswana, Cape Provinces, Central African Repu, Congo, Djibouti, Egypt, Eritrea, Ethiopia, Guinea, Guinea-Bissau, Iran, KwaZulu-Natal, Mozambique, Namibia, Northern Provinces, Pakistan, Saudi Arabia, Senegal, Sierra Leone, Sinai, Somalia, Sudan, Tanzania, Yemen, Zambia, Zaïre, Zimbabwe

    Danthoniopsis Stapf appears in other Kew resources:

    First published in Hooker's Icon. Pl. 31: t. 3075 (1916)

    Accepted by

    • Govaerts, R. (2000). World Checklist of Seed Plants Database in ACCESS D: 1-30141.

    Literature

    Flora of West Tropical Africa
    • Clayton in Kew Bull. 21: 121 (1967).
    • Phipps in Kirkia 4: 113 (1964)
    • Conert in Engl., Bot. Jahrb. 77: 317 (1957)
    • Jacques-Félix in Rev. Bot. Appliq. 10: 422 (1950)
    • F.T.A. 10: 73 (1937)
    • Hubbard in Kew Bull. 1936: 319 (1936)
    • in Hook., Ic. Pl. 31: t. 3075 (1916)
    Flora Zambesiaca
    • in Ic. Pl. Hook. 31: t 3075 (1916).

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    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