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Other common names peace lily white sails. Family Araceae. Genus Spathiphyllum are evergreen rhizomatous perennials with lance-shaped leaves and tiny white flowers borne in a dense spike within an ovate, white, hood-like spathe. Details S. wallisii is an evergreen perennial with erect, lance-shaped, glossy dark green leaves, and ovate white flowering spathes to 15cm in length, each with a.

Sphenophyta:More on Morphology. Living sphenophytes have stems containing a large central pith region which in mature plants is hollow. Surrounding the pith cavity are discrete bundles of vascular tissue; this arrangement of conducting tissue is known as a eustele.The bundles contain both xylem and phloem, and are marked by the presence of large canals known as carinal canals, which also.

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Sphenophyllum Sphenophyllum is a genus in the order Sphenophyllales, an extinct order of articulate land plants and a sister group to the present-day Equisetales (horsetails). They are fossils dating from the Devonian to the Triassic.

At many places in the present view the author has used, rather loosely, the convenient word “spore” to denote any one of the three categories of grain, viz., spore, prepollen and pollen, merely because of the lack of any suitable word which could be used instead.

Pteridophytes Pteridophtyes are a phylum of plants. They are the vascular plants (those having xylem and phloem tissues) that reproduce by releasing spores rather than seeds, and they include the highly diverse true ferns and other graceful, primarily forest-dwelling plants.

In the Sphenophyllales, an extinct order of scrambling sphenophytes, the leaves were wedge-shaped, with a repeatedly forking (dichotomous) venation system (sphenophylls). The order Hyeniales included shrublike plants with inconspicuous leaves arranged in rather indistinct whorls.

For example, both Goethe and Troll were concerned more with the classification and integration of morphological phenomenology and Goebel and Hofmeister more with the causal aspects. During the development and progressive refinement of the subject, however, all of its past practitioners have contributed to both the causal and descriptive areas of the science.

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The Plants Database includes the following 2 species of Spathiphyllum. Click below on a thumbnail map or name for species profiles. Click below on a thumbnail map or name for species profiles. Native Introduced Native and Introduced.

The Sphenophyllum species in the Carboniferous flora of Holz (Westphalian D, Saar Basin, Germany). Rev. Palaeobot. Palynol., 24: 69--99. The present work deals with a detailed morphological study of Sphenophyllum zwickaviense Storch, S. saxonicum Remy et Remy, and S. emarginatum (Brongniart) Brongniart, with emphasis on the latter.