A new species of Philodendron (Araceae)
Authors: Bogner, Josef; Croat, Thomas B.
Source: Willdenowia - Annals of the Botanic Garden and Botanical Museum Berlin-Dahlem, Volume 42, Number 2, 17 December 2012 , pp. 269-272(4)
Abstract:Philodendron geniculatum is described as a species new to science and illustrated. This species has been in cultivation for decades in the USA, Europe and Asia (Taiwan), but has not flowered until recently. It is characterised by a conspicuous geniculum on the apex of the subterete petiole, by an elliptic leaf blade with a thick, whitish midrib, many parallel primary lateral veins on each side, an auriculate base and a cuspidate apex, as well as by persistent red cataphylls drying brown soon and becoming fibrous later. P. geniculatum has a single inflorescence with a striking spathe, outside burgundy-red in the lower part and intensively red in the upper part. The species is morphologically closest and probably related to P. scherberichii, from which we delimit it.
Document Type: Research Article
Publication date: 2012-12-17
- Willdenowia is a peer-reviewed botanical journal with an international authorship, publishing original research papers in English from the entire fields of plant, algal and fungal taxonomy and systematics, also covering related fields. Its precursor was founded in 1895 as Notizblatt des Königlichen Botanischen Gartens und Museums zu Berlin and 1954 continued with its present title commemorating Carl Ludwig Willdenow, 1765-1812, director of the Botanic Garden, first professor of botany in Berlin and author of the fourth edition of Linne's Species Plantarum. Willdenowia appears in two issues per year in a print edition and an open access online edition.
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