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Magnoliopsida
Hydrangea L.
EOL Text
There are about 70 species of hydrangea. These flowering plants often have large groups of flowers that look like a mop head. Others have small groups of inner flowers circled by large outer flowers. The color of some hydrangea flowers changes depending on the acidity of the soil.
License | http://creativecommons.org/licenses/by-nc/3.0/ |
Rights holder/Author | Life on Earth, Life on Earth |
Source | No source database. |
Localidad del tipo:
Depositario del tipo:
Recolector del tipo:
The fertile flowers offer nectar and pollen to a wide range of visiting insects. These visitors include bumblebees, little carpenter bees (Ceratina spp.), Halictid bees, masked bees (Hylaeus spp.), miscellaneous wasps, mosquitoes, Syrphid flies, thick-headed flies, Muscid flies, dance flies (Empis spp.), tumbling flower beetles, and long-horned beetles. The foliage of Wild Hydrangea is eaten by the caterpillars of Darapsa versicolor (Hydrangea Sphinx) and Olethreutes ferriferana (Hydrangea Leaf-Tier Moth). Some polyphagous insects occasionally feed on this shrub; these species include the thrips Echinothrips americanus, the seed bug Kleidocerys resedae, the aphids Aphis rumicis and Aphis citricola, and the larvae of the long-horned beetle Stenocorus cinnamopterus. White-Tailed Deer occasionally browse on the canes and leaves.
License | http://creativecommons.org/licenses/by-nc/3.0/ |
Rights holder/Author | Copyright © 2002-2014 by Dr. John Hilty |
Source | http://www.illinoiswildflowers.info/woodland/plants/hydrangea.htm |
Rounded Global Status Rank: G3 - Vulnerable
Reasons: Jamesianthus alabamensis is known from eight counties in northern and central Alabama and one from northwest Georgia, where its status is unknown. Threats include grazing, trampling and erosion and silt deposition as a result of logging (Tri-State Comprehensive Study,
Alabama Natural Heritage Program, April 17, 1994).
Environmental Specificity: Moderate. Generalist or community with some key requirements scarce.
Comments: Dependent on moist, shaded streambanks for survival.
United States
Origin: Native
Regularity: Regularly occurring
Currently: Present
Confidence: Confident
Charrales y potreros de zonas altas.
Note: For many non-migratory species, occurrences are roughly equivalent to populations.
Estimated Number of Occurrences: > 300
Global Short Term Trend: Decline of 10-30%
Comments: Trend assessment is based on current land use practices observed by Alabama Natural Heritage personnel from 2003-2005 in the vicinity of approximately 20 known occurrences.
Global Long Term Trend: Unknown
Foodplant / sap sucker
Aulacorthum circumflexum sucks sap of Hydrangea
Foodplant / pathogen
effuse colony of Botrytis dematiaceous anamorph of Botrytis cinerea infects and damages green parts of Hydrangea
In Great Britain and/or Ireland:
Plant / epiphyte
fruitbody of Dendrothele griseocana grows on dead stem of Hydrangea
Foodplant / pathogen
Ditylenchus dipsaci infects and damages live leaf of Hydrangea
Foodplant / sap sucker
adult of Elasmucha ferrugata sucks sap of Hydrangea
Foodplant / pathogen
Hydrangea Ringspot virus infects and damages live, pitted stem of Hydrangea
Foodplant / pathogen
Phytoplasma (ined) infects and damages live, green flower of Hydrangea
Remarks: Other: uncertain
Foodplant / saprobe
fruitbody of Pluteus podospileus is saprobic on dead, old stem of Hydrangea
Other: unusual host/prey
Foodplant / sap sucker
Pulvinaria hydrangeae sucks sap of live Hydrangea
License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
Rights holder/Author | BioImages, BioImages - the Virtual Fieldguide (UK) |
Source | http://www.bioimages.org.uk/html/Hydrangea.htm |
Foodplant / spot causer
effuse colony of Corynespora dematiaceous anamorph of Corynespora cassiicola causes spots on live leaf of Hydrangea macrophylla
In Great Britain and/or Ireland:
Foodplant / parasite
Oidium hortensiae parasitises Hydrangea macrophylla
Foodplant / spot causer
immersed pycnidium of Septoria coelomycetous anamorph of Septoria hydrangeae causes spots on leaf of Hydrangea macrophylla