Compilation
Aponogeton distachyos

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Name

Identification
Aponogeton distachyos L.f. [family APONOGETONACEAE ]
Related name
  • Aponogeton distachyos
Common name
  • water-hawthorne, Flora of North America Vol. 22
  • Cape-pondweed, Flora of North America Vol. 22

Flora

Entry for Aponogeton distachyos [family APONOGETONACEAE]
Herbarium
South African National Biodiversity Institute, Compton Herbarium, Cape Town (SAM)
Collection
Flora of Southern Africa
Resource Type
Reference Sources
Entry From
Flora of South Africa, (2003) Author: Dr J.P. Roux
Names
Aponogeton distachyos [family APONOGETONACEAE]
Information
Tubers up to 6 cm in diam., dark. Leaves with a floating lamina, lanceolate to ob­long, 6-20 cm long and 2-7 cm broad, apex acute to obtuse, base rounded or shortly at­tenuate. Spikes bifid, many-flowered, up to 6 cm long. Flowers many, scented, dorsally arranged in 2 spreading rows, with the flowers on the one side slightly above those of the other; perianth-segments solitary, oblong to ovate-lanceolate, up to 18 mm long, delicate, white or occasionally pink, accrescent and green in fruit. Stamens 8-16, arranged in a circle, filaments thin, 3 mm long, anthers purple to black. Carpels 2-6 with c.4 ovules in each carpel. Follicles turbinate, c. 1 cm long with a straight beak, 1-4 seeded, seeds 9 mm long, with a spongy outer covering. Fig. 25 : 2.
Habitat
Common names: Wateruintjie, Cape Hawthorn. Both tubers and fruiting spikes are eaten. A culti­vated plant of unknown origin (Schlieben 10499) regularly produced simple spikes.
Use
1. Aponogeton distachyos L.f., Suppl. 215 (1781); Thumb., Nov. Gen. 4 : 74 (1781); Ait., Hort. Kew. 1 : 495 (1789); Andr., Bot. Rep. 5 : t.290 (1803); Gawl. in Bot. Mag. t.1293 (1810); Spreng., Syst. 2 : 465 (1825); Engl, in Bot. Jahrb. 8 : 272 (1887); Dur. & Schinz, Consp. Fl. Afr. 5 : 492 (1894); A. Benn. in F.C. 7 : 43 (1897); Krause & Engl, in Pflanzenr. 4, 13 : 21 (1906); Marloth, Fl. S. Afr. 4 : 13, 14, tab.3, fig. 3 (1915); Ver-doorn in S.A. Journ. Nat. Hist. 3, 2 : 17 (1922); Adamson in Fl. Cape Penins. 37 (1950). Type: Cape, 77?unberg (LINN 479-3, pro parte, viz, the leaves and the spike second from right, lecto.).
Range
Common in the winter-rainfall area of the Cape Province and, eastwards, to Plettenberg Bay; in ponds, rivers and ditches. Often cultivated in Europe and said to have gone wild in the south of France. Flowers from March to September. Cape.—Caledon: Elgin, . Palmiet River, Smith 2554. Ceres: Verkeerde Vlei, Compton 12055. Clanwilliam: Olifants River near Keerom, Pillans 8777. George: Diep River, Galpin 4778. Humans-dorp: Langkloof, Nuweplaas, Theron 1385; Ratels-bosch, Fourcade 363. Knysna: Plettenberg Bay, Rodin 1173. Laingsburg: Cabidu Dam, Compton 22892. Peninsula: Marloth 172; Rondebosch, Schlechter 832. Riversdale: Vet River near Rivers-dale, Muir 193. Stellenbosch: Faure, Strey 606. Swellendam: Thode A2401.

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