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- Scalesia_pedunculata abstract "Scalesia pedunculata Hook.f. is a member of the Daisy family or Asteraceae, growing to a slender tree (20m tall, DBH 20cm), and found in dense stands on the humid windward coasts of the islands of Santa Cruz, San Cristobal, Santiago and Floreana in the Galapagos Islands. The Galapagos archipelago lies in the southeast trade wind zone, so that climate and weather are dominated by the moisture-bearing tradewinds and the topography of the islands. In general, the windward sides of the islands have a much higher precipitation than the leeward sides.Scalesia pedunculata is regarded as vulnerable because of human encroachment, invasive introduced plant species such as Cedrela odorata and Psidium guajava, and grazing by introduced goats. Fires and cutting for fuel are also contributory problems, though the tree's wood is soft, with a large, pithy centre. Charles Darwin first collected specimens of this species from Santiago Island ('James Island') in October 1835 on the voyage of the Beagle, and it was later named by his friend Joseph Dalton Hooker, who described it as 'frutescens' (becoming a shrub) as he thought that Darwin had made a mistake in calling it a tree, since members of the Daisy family rarely attain such a size. The genus Scalesia comprises 9 species, with another 5 still unassessed and all endemic to the Galapagos Islands, three of which attain tree size viz. Scalesia pedunculata, S. cordata and S. microcephala, all three forming dense forests. The name Scalesia resulted from a blunder by Arnott who named it in honour of "W. Scales Esq., Cawdor Castle, Elginshire" but discovered after publication in 1836 that the name should have read 'Stables', after Scottish botanist William Alexander Stables (1810-21 June 1890), who contributed to botanical literature and was the factor or property manager of John Campbell, 2nd Earl Cawdor.The biology of this species has not been well studied. Trees take some 15 years to mature, and stands of woodland usually show a dearth of younger trees growing under the canopy. Entire woodlands collapse when stressed by drought or excessive rain. Shortly after this collapse seedlings start germinating once more, suggesting that the species goes through a natural cycle of build-up and collapse. The first documented collapse of Scalesia forest occurred between 1935 and 1940, with the cause still not being clear. Next was the collapse in 1982-83, coinciding with an El Niño event, which brought heavy rain for many weeks, causing roots to rot and strong winds later flattened the entire forest. On Santa Cruz Scalesia pedunculata grows best at an altitude between 400 - 700 m, a zone which is almost always shrouded in fog, with rain being uncommon. The perennial mists provide moisture to flourishing communities of epiphytes growing on the trunks and branches, with the drops eventually trickling down to ground level and the soil below.".
- Scalesia_pedunculata binomialAuthority Joseph_Dalton_Hooker.
- Scalesia_pedunculata class Eudicots.
- Scalesia_pedunculata division Flowering_plant.
- Scalesia_pedunculata family Asteraceae.
- Scalesia_pedunculata family Heliantheae.
- Scalesia_pedunculata genus Scalesia.
- Scalesia_pedunculata kingdom Plant.
- Scalesia_pedunculata order Asterales.
- Scalesia_pedunculata order Asterids.
- Scalesia_pedunculata thumbnail Scalesia_pedunculata.jpg?width=300.
- Scalesia_pedunculata wikiPageExternalLink image-G104901.html.
- Scalesia_pedunculata wikiPageID "40101353".
- Scalesia_pedunculata wikiPageRevisionID "567663592".
- Scalesia_pedunculata binomial "Scalesia pedunculata".
- Scalesia_pedunculata binomialAuthority Joseph_Dalton_Hooker.
- Scalesia_pedunculata caption "Scalesia pedunculata forest around and in Los Gemelos sinkhole - Dallas Krentzel".
- Scalesia_pedunculata caption "Scalesia pedunculata on Santa Cruz Island - Dallas Krentzel".
- Scalesia_pedunculata familia Asteraceae.
- Scalesia_pedunculata genus "Scalesia".
- Scalesia_pedunculata height "1200".
- Scalesia_pedunculata height "802".
- Scalesia_pedunculata image "LosGemelos.jpg".
- Scalesia_pedunculata image "ScalesiaSantaCruz2.jpg".
- Scalesia_pedunculata imageCaption "Scalesia pedunculata on Santa Cruz".
- Scalesia_pedunculata name "Scalesia pedunculata".
- Scalesia_pedunculata ordo Asterales.
- Scalesia_pedunculata regnum "Plantae".
- Scalesia_pedunculata species "S. pedunculata".
- Scalesia_pedunculata totalWidth "800".
- Scalesia_pedunculata tribus Heliantheae.
- Scalesia_pedunculata unrankedClassis Eudicots.
- Scalesia_pedunculata unrankedDivisio Flowering_plant.
- Scalesia_pedunculata unrankedOrdo Asterids.
- Scalesia_pedunculata width "1200".
- Scalesia_pedunculata width "802".
- Scalesia_pedunculata subject Category:Flora_of_Galápagos.
- Scalesia_pedunculata subject Category:Scalesia.
- Scalesia_pedunculata type Eukaryote.
- Scalesia_pedunculata type Plant.
- Scalesia_pedunculata type Species.
- Scalesia_pedunculata type Organism.
- Scalesia_pedunculata comment "Scalesia pedunculata Hook.f. is a member of the Daisy family or Asteraceae, growing to a slender tree (20m tall, DBH 20cm), and found in dense stands on the humid windward coasts of the islands of Santa Cruz, San Cristobal, Santiago and Floreana in the Galapagos Islands. The Galapagos archipelago lies in the southeast trade wind zone, so that climate and weather are dominated by the moisture-bearing tradewinds and the topography of the islands.".
- Scalesia_pedunculata label "Scalesia pedunculata".
- Scalesia_pedunculata label "Скалезия черешчатая".
- Scalesia_pedunculata sameAs m.0wfzgls.
- Scalesia_pedunculata sameAs Q14861874.
- Scalesia_pedunculata sameAs Q14861874.
- Scalesia_pedunculata wasDerivedFrom Scalesia_pedunculata?oldid=567663592.
- Scalesia_pedunculata depiction Scalesia_pedunculata.jpg.
- Scalesia_pedunculata isPrimaryTopicOf Scalesia_pedunculata.
- Scalesia_pedunculata name "Scalesia pedunculata".