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Xerophyta seinei (Velloziaceae), a distinctive new species from Zimbabwe

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Abstract:

Xerophyta seinei Behnke, K. Kramer & E. Hummel sp. nov. (Velloziaceae), a new species from the Rhodes Matopos National Park in southwestern Zimbabwe, is distinguished by persistent leaf blades concealing the stems, an apex of dark-green leaves with lustrous and glutinous upper surfaces, and a lamina with glands on both surfaces and with non-transcurrent vascular bundles. Its distinctness from other Xerophyta species is also substantiated by specific sieve-element plastids (with a rectangular protein crystal in addition to the angular ones common to Velloziaceae) and by an rbcL-analysis. The morphology and leaf anatomy of the new species are compared to those of other members of the family and, in particular, of Xerophyta species known from the area.

Keywords: LEAF ANATOMY; SEINEI SP. NOV; SIEVE-ELEMENT PLASTIDS; VASCULAR BUNDLES; VELLOZIACEAE; XEROPHYTA; ZIMBABWE

Document Type: Research Article

Affiliations: 1: Zellbiologie, Heidelberger Institut für Pflanzenwissenschaften, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 230, 69120 Heidelberg, Germany 2: Botanischer Garten, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 340, 69120 Heidelberg, Germany

Publication date: February 1, 2002

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