Plantae > Tracheophyta > Magnoliopsida > Rosales > Rosaceae > Crataegus > Crataegus douglasii

Crataegus douglasii (black hawthorn)

Synonyms:

Wikipedia Abstract

Crataegus douglasii is a North American species of hawthorn known by the common names black hawthorn and Douglas' thornapple. It is named after David Douglas, who collected seed from the plant during his botanical explorations. This thorny shrub is native to northern and western North America, where it grows in varied habitats from forest to scrubland. It is most abundant in the Pacific Northwest.
View Wikipedia Record: Crataegus douglasii

Attributes

Bloom Period [1]  Mid Spring
Drought Tolerance [1]  Low
Edible [2]  May be edible. See the Plants For A Future link below for details.
Fire Tolerance [1]  High
Flower Type [2]  Hermaphrodite
Frost Free Days [1]  4 months
Fruit/Seed Abundance [1]  Medium
Fruit/Seed Begin [1]  Spring
Fruit/Seed End [1]  Fall
Growth Form [1]  Thicket Forming
Growth Period [1]  Spring, Summer, Fall
Growth Rate [1]  Moderate
Leaf Type [2]  Deciduous
Lifespan [1]  Perennial
Pollinators [2]  Midges
Propagation [1]  Bare Root, Container, Cutting, Seed
Root Depth [1]  12 inches (30 cm)
Scent [2]  The flowers have an unpleasant smell like decaying fish, though when freshly open they also have a pleasant balsamic undertone.
Seed Spread Rate [1]  Moderate
Seed Vigor [1]  High
Seeds Per [1]  21317 / lb (46996 / kg)
Shape/Orientation [1]  Erect
Structure [2]  Tree
Usage [2]  The spines on the branches are used as needles for lancing boils, removing splinters etc; Wood - close-grained, heavy, hard and tough. Used for tool handles etc;
Vegetative Spread Rate [1]  Moderate
Flower Color [1]  White
Foliage Color [1]  Green
Fruit Color [1]  Black
Fall Conspicuous [1]  Yes
Flower Conspicuous [1]  Yes
Fruit Conspicuous [1]  Yes
Height [2]  30 feet (9 m)
Hardiness Zone Minimum [1]  USDA Zone: 2 Low Temperature: -50 F° (-45.6 C°) → -40 F° (-40 C°)
Light Preference [1]  Mixed Sun/Shade
Soil Acidity [1]  Neutral
Soil Fertility [1]  Infertile
Water Use [1]  High
Screening - Summer [1]  Dense
Screening - Winter [1]  Porous
View Plants For A Future Record : Crataegus douglasii

Protected Areas

Predators

Consumers

Parasitized by 
Pachyschelus laevigatus[4]

Range Map

External References

USDA Plant Profile

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1USDA Plants Database, U. S. Department of Agriculture
♦ 2Plants For A Future licensed under a Creative Commons Attribution 4.0 License
♦ 3HOSTS - a Database of the World's Lepidopteran Hostplants Gaden S. Robinson, Phillip R. Ackery, Ian J. Kitching, George W. Beccaloni AND Luis M. Hernández
♦ 4Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0