• R. R. Haynes
  • D. H. Les
  • L. B. Holm-Nielsen
Part of the The Families and Genera of Vascular Plants book series (FAMILIES GENERA, volume 4)


A glabrous rhizomatous perennial. Rhizome horizontal, sympodial, covered with persistent fibrous remains of older leaves. Adventitious roots inserted just below the node. Aerial stem erect, to ca. 35 cm. Leaves basal and cauline, alternate, distichous, linear, compressed-terete, several-veined, with sheathing base, the apex obtuse with a distinct pore; sheath open, marginally hyaline, fibrous remains often persisting, with 2 delicate, obtuse auricles; infravaginal hairs numerous. Inflorescence a simple bracteate raceme with a terminal flower. Flowers perfect, hypogynous, trimerous and pentacyclic. Tepals distinct, all similar, lanceolate-elliptic. Stamens distinct; anthers bithecate, 4-sporangiate, extrorse, dehiscing by longitudinal slits, with short connective tip. Carpels 3(-6), only basally connate, with decurrent, ventral, sessile, dry stigmas. Ovules (1-)2 per locule, basal-axile, erect, anatropous. Fruits adaxially dehiscing follicles. Seeds 1(-2), oblong, exalbuminous.


Dermal File Aerial Shoot Vegetative Morphology Scalariform Perforation Plate Aerial Stem 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Selected Bibliography

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Copyright information

© Springer-Verlag Berlin Heidelberg 1998

Authors and Affiliations

  • R. R. Haynes
  • D. H. Les
  • L. B. Holm-Nielsen

There are no affiliations available

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