Scheuchzeriaceae F.Rudolphi
  • Syst. Orb. Veg.: 28 (1830) nom. cons.


This taxon is accepted by eMonocot

General Description

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.

Only one species, Scheuchzeria palustris L., from the arctic and temperate regions of the Northern Hemisphere.

Ecology

It grows in transitional and ombrogenous Sphagnum bogs, especially in bogs extending over postglacial kettle lakes.

Distribution

Scheuchzeria grows in temperate to subarctic regions in the northern hemisphere. In North America it ranges in the south to N California and New Jersey, in Europe to Italy and Jugoslavia, and in Asia to Japan.

Included Genus

  Bibliography

  • 1 F.Rudolphi(1830). Syst. Orb. Veg.
  • 2 Rudolphi, F.K.L. Original publication of Scheuchzeriaceae. (1830).
  • 3 Haynes, R.R., Les, D.H. & Holm-Nielsen, L.B. Scheuchzeriaceae. Flowering Plants. Monocotyledons: Alismatanae and Commelinanae (except Gramineae) 449-450 (1998).

 Information From

eMonocot
http://e-monocot.org
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from http://e-monocot.org.
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