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

Poaceae - Pooideae - Hainardieae - *Parapholis C.E.Hubb.

Description :

  • Annual, tufted, erect to prostrate
  • Leaf blade linear, expanded or rolled, apex acute; ligule an unfringed membrane
  • Inflorescence a single, slender, ± curved, rigid, cylindrical spike; spikelets sunk in and closely pressed to rachis, alternating on opposite sides of rachis; spikelets solitary, sessile
  • Spikelet ± laterally compressed, falling with glumes and internodes of rachis at maturity; glumes ± equal, displaced side by side, similar, as long as spikelet, narrow, acute, glabrous, 3-5-nerved, thick and rigid, awnless
  • Floret 1, bisexual; lemma almost as long as glumes, less firm in texture than glumes, thinly membranous, lanceolate to narrowly ovate, 3-nerved, lateral nerves short, awnless; palea almost as long as lemma, 2-nerved, keels wingless
  • Lodicules 2
  • Stamens 3
  • Ovary glabrous, truncate; styles obsolete, plumose
  • Caryopsis narrowly ellipsoid
  • x = 7, 9, 19 (polyploidy)

Nomenclature:

  • *Parapholis C.E.Hubb.
    • Hubbard: 14 (1946)
    • Chippindall: 73 (1955)
    • Tutin: 243 (1980)
    • Clayton & Renvoize: 111 (1986)
    • Gibbs Russell et al.: 243 (1990)
    • Watson & Dallwitz: 692 (1994)

Distribution & Notes:

  • Global : Species 6, Europe and Asia
  • Southern Africa : Species 1: * Parapholis incurva (L.) C.E.Hubb., naturalised, W Northern Cape and Western Cape

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
  • HUBBARD, C.E. 1946. Henrardia , a new genus of the Gramineae . Blumea , Suppl. 3
  • TUTIN, T.G. 1980. Flora europaea 5
  • WATSON, L. & DALLWITZ, M.J. 1994. The grass genera of the world , revised edn. CAB International, Oxon