e-Key v3 - Schmidtia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Poaceae - Chloridoideae - Pappophoreae - Schmidtia Steud. ex J.A.Schmidt

Description :

  • Perennial or annual, tufted, sometimes decumbent at base, stoloniferous, sometimes rooting from nodes; culms decumbent, more rarely erect
  • Leaf blade and sheaths usually bearing gland-tipped hairs, often viscid; ligule a fringe of hairs
  • Inflorescence a panicle, open or contracted; spikelets solitary, shortly pedicelled to subsessile
  • Spikelet slightly laterally compressed, disarticulating above glumes; glumes unequal to ± equal, ± as long as spikelet, similar, membranous, green or grey, glabrous or hairy, hairs sometimes glandular, lanceolate, 7-11(14)-nerved, awnless
  • Florets 4-9, bisexual; upper 1 or 2 florets usually reduced and sterile; lemma dorsally rounded, firmer than glumes, 9-nerved, subcoriaceous, dorsally long-villous towards base, usually scabrid, 6-lobed, lobes alternating with 5 straight, scabrid awns from between lobes; callus minute, pointed, hairy; palea longer than lemma, oblong or elliptic-oblong, 2-keeled, with narrow flaps, stiffly ciliate along keels, cilia very often with interspersed glandular-tipped hairs
  • Lodicules 2, minute, cuneate, truncate or often with apex shallowly bilobed with gland-tipped hairs
  • Stamens 3
  • Ovary glabrous; styles distinct, plumose
  • Caryopsis ellipsoid
  • x = 9 (polyploidy)

Nomenclature:

  • Schmidtia Steud. ex J.A.Schmidt
    • Schmidt: 144 (1852) name conserved, not of Moench, not of Tratt.
    • Chippindall: 231 (1955)
    • Launert: 308 (1965)
    • Launert: 168 (1970)
    • Renvoize: 165 (1970)
    • Launert: 149 (1971)
    • Clayton & Renvoize: 189 (1986)
    • Gibbs Russell et al.: 290 (1990)
    • Watson & Dallwitz: 848 (1994)

Distribution & Notes:

  • Global : Species 2, Africa and Pakistan
  • Southern Africa : Species 2, widespread

References:

  • CHIPPINDALL, L.K.A. 1955. A guide to the identification of grasses in South Africa. In D. Meredith, The grasses and pastures of South Africa . Central News Agency, Cape Town
  • CLAYTON, W.D. & RENVOIZE S.A. 1986. Genera graminum. Grasses of the world. Kew Bulletin . Additional series 13
  • GIBBS RUSSELL, G.E., WATSON, L., KOEKEMOER, M., SMOOK, L., BARKER, N.P., ANDERSON, H.M. & DALLWITZ. M.J. 1990. Grasses of southern Africa. Memoirs of the Botanical Survey of South Africa No. 58
  • LAUNERT, E. 1965. The genus Schmidtia Steudel. Gramineae . Boletim da Sociedade Broteriana sér. 2, 39
  • LAUNERT, E. 1970. Gramineae . Prodromus einer Flora von Südwestafrika 160
  • LAUNERT, E. 1971. Gramineae . Flora zambesiaca 10, 1
  • RENVOIZE, S.A.1 970. Flora of tropical East Africa . Gramineae (Part 1)
  • SCHMIDT, J.A. 1852. Beiträge zur Flora der Cap Verdischen Inseln . E. Mohr, Heidelberg
  • WATSON, L. & DALLWITZ, M.J. 1994. The grass genera of the world , revised edn. CAB International, Oxon