| 词条 | Dendrobium wassellii |
| 释义 |
| image = DendrobiumWasseltii.jpg | taxon = Dendrobium wassellii | authority = S.T.Blake[1] | synonyms_ref=[1] | synonyms=Dockrillia wassellii (S.T.Blake) Brieger }} Dendrobium wassellii, commonly known as the furrowed pencil orchid,[2] is a species of orchid endemic to a small area on Cape York Peninsula. It is an epiphytic or lithophytic orchid with branched stems, cylindrical, furrowed leaves and flowering stems with up to sixty crowded white flowers with a yellow labellum. DescriptionDendrobium wassellii is an epihytic orchid with creeping, branching stems {{convert|4-5|mm|in|sigfig=2|abbr=on}} thick. There are one or two hard, dull green leaves on the end of each branch. The leaf is more or less cylindrical, {{convert|5-12|mm|in|sigfig=1|abbr=on}} long and about {{convert|1|mm|in|sigfig=2|abbr=on}} wide with five furrows along its length. The flowering stems are {{convert|100-200|mm|in|sigfig=1|abbr=on}} long and bear between ten and sixty crowded, sparkling white flowers {{convert|14-18|mm|in|sigfig=2|abbr=on}} long and {{convert|15-20|mm|in|sigfig=1|abbr=on}} wide. The sepals and petals spread widely apart from each other with their tips turned outwards. The sepals are {{convert|10-14|mm|in|sigfig=2|abbr=on}} long, about {{convert|2|mm|in|sigfig=2|abbr=on}} wide and the petals are a slightly longer but narrower. The labellum is {{convert|10-12|mm|in|sigfig=1|abbr=on}} long, about {{convert|3|mm|in|sigfig=1|abbr=on}} wide, curved and yellow with purple markings. The labellum has three lobes, the side lobes erect and blunt and the middle lobe with wavy edges and three ridges along its midline. Flowering occurs from May to June.[2][3]Taxonomy and namingDendrobium wassellii was first formally described in 1963 by Stanley Thatcher Blake and the description was published in Proceedings of the Royal Society of Queensland.[4] The specific epithet (wassellii) honours Joseph Leathom Wassell who collected insect and orchids on Cape York and sent them to the Royal Botanic Gardens Victoria, although it was not until ten years later when they were sent to the Queensland Herbarium and formally described.[5]Distribution and habitatThe furrowed pencil orchid grows near the top of rainforest trees, especially hoop pine (Araucaria cunninghamii) in the Iron and McIlwraith Ranges on Cape York Peninsula. References1. ^1 {{WCSP |59487 |Dendrobium wassellii}} {{Taxonbar|from1=Q59095715|from2=Q5287236}}2. ^1 {{cite book|last1=Jones|first1=David L.|title=A complete guide to native orchids of Australia including the island territories|date=2006|publisher=New Holland|location=Frenchs Forest, N.S.W.|isbn=1877069124|pages =393–394}} 3. ^{{cite web |title=Dockrillia wassellii |url=http://keys.trin.org.au:8080/key-server/data/08090a09-0d0e-410b-860c-020705070e0e/media/Html/Dockrillia_wassellii.htm |publisher=Trin keys: Australian Tropical Rainforest Orchids |accessdate=22 November 2018}} 4. ^{{cite web|title=Dendrobium wassellii|url= https://id.biodiversity.org.au/instance/apni/506587|publisher=APNI|accessdate=22 November 2018}} 5. ^{{cite web |title=Wassell, Joseph Leathom Hole (1908 - 1966) |url=http://www.anbg.gov.au/biography/wassell-joseph-leathom-hole.html |publisher=Australian National Botanic Garden |accessdate=22 November 2018}} 4 : Dendrobium|Endemic orchids of Australia|Orchids of Queensland|Plants described in 1963 |
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