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

Amaranthaceae - Amaranthoideae - Amarantheae - Aervinae - Pandiaka (Moq.) Hook.f.

Description :

  • Annual or perennial herbs with slender to tuberous rootstocks
  • Leaves opposite, entire, sessile or petiolate
  • Inflorescence spicate to capitate, lateral and terminal, elongating later or not; bracts 2, usually more than half as long as flowers, acute or ± spinescent, persistent, spreading or rarely deflexed
  • Flowers bisexual, solitary in axils of bracts; bracteoles 2, ± half as long as perianth or more, midrib excurrent in a short, glabrous and pungent, flexuose and pilose arista, lamina firm, chartaceous or horny
  • Tepals 5, lanceolate to oblong-lanceolate, feebly to strongly 1-3(5)-nerved, with straight white hairs or glabrescent, concrescent at base, ± mucronate to aristate with excurrent nerve, falling with ripe seed, accompanied by bracteoles or not
  • Stamens 5; filaments filiform, monadelphous below, alternating with mostly quadrate dentate or fimbriate pseudostaminodes; anthers 2-thecous
  • Ovary ovoid, glabrous; ovule solitary, on basal funicle; style linear; stigma small, capitate
  • Capsule oblong-obovoid, with a narrower firm apex, thin-walled, indehiscent
  • Seed oblong-ovoid, brown, shining, faintly reticulate

Nomenclature:

  • Pandiaka (Moq.) Hook.f.
    • Hooker: 35 (1880)
    • Baker & Clarke: 67 (1909)
    • Schinz: 64 (1934)
    • Cavaco: 81 (1960)
    • Cavaco: 138 (1962)
    • Podlech: 20 (1966)
    • Townsend: 425 (1979)
    • Townsend: 112 (1985)
    • Townsend: 115 (1988)
    • Townsend: 87 (1993)
  • Achyranthes L. sect. Pandiaka Moq.
    • Moquin-Tandon: 310 (1849)
  • Argyrostachys Lopr.
    • Lopriore: 108 (1901)

Distribution & Notes:

  • Global : Species ± 12, tropical and southern Africa
  • Southern Africa : Species 1: Pandiaka carsonii (Baker) C.B.Clarke var. carsonii , N Namibia

References:

  • BAKER, J.G. & CLARKE, C.B. 1909. Amarantaceae . Flora of tropical Africa 6,1
  • CAVACO, A. 1960. Les Pandiaka et Achyropsis ( Amaranthaceae ) du continent Africain. Notulae Systematicae 16
  • CAVACO, A. 1962. Les Amaranthaceae de l'Afrique au sud du Tropique du Cancer et de Madagascar. Mémoires du Muséum National d'Histoire Naturelle, Paris , Série B, Botanique 13
  • HOOKER, J.D. 1880. Amarantaceae . In G. Bentham & J.D. Hooker, Genera plantarum 3,1. Lovell Reeve & Co., London
  • LOPRIORE, G. 1901. Beiträge zur Flora von Afrika 21. Amarantaceae africanae II. Botanische Jahrbücher 30
  • MOQUIN-TANDON, C.H.B.A. 1849. Amarantaceae . In A.P. de Candolle, Prodromus 13,2. Treuttel & Würtz, Paris
  • PODLECH, D. 1966. Amaranthaceae . Prodromus einer Flora von Südwestafrika 33
  • SCHINZ, H. 1934. Amaranthaceae . Die natürlichen Pflanzenfamilien , edn 2, 16c
  • TOWNSEND, C.C. 1979. Notes on Amaranthaceae 4. Achyranthes , Achyropsis , and Pandiaka . Kew Bulletin 34
  • TOWNSEND, C.C. 1985. Flora of tropical East Africa . Amaranthaceae
  • TOWNSEND, C.C. 1988. Amaranthaceae . Flora zambesiaca 9,1
  • TOWNSEND, C.C. 1993. Amaranthaceae . In K. Kubitzki, J.G. Rohwer & V. Bittrich, The families and genera of vascular plants - dicotyledons 2. Springer-Verlag, Berlin

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