Difference between revisions of "Arabis eschscholtziana"
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| + | * Scientific Name: ''Arabis'' ''eschscholtziana'' | ||
| + | * Family: Brassicaceae | ||
| + | * Common Names: hairy rockcress, Pacific coast rockcress | ||
| + | * Synonyms/Misapplications: ''Arabis'' ''hirsuta'' var. ''eschscholtziana, Arabis hirsuta'' var. ''glabrata'' | ||
| + | * Codon: ARAHIR | ||
| + | ---- | ||
| + | [[File:ARHI RodGilbert flw good.jpg |thumb|Photo by Rod Gilbert. Also featured on Main Page]] | ||
| + | === Taxonomy === | ||
| + | {{Taxobox | ||
| + | | image = | ||
| + | | image_caption = Photo by Rod Gilbert. Also featured on Main Page | ||
| + | | name = | ||
| + | | regnum = [[Plant]]ae | ||
| + | | subregnum = Virviriplantae | ||
| + | | phylum = Tracheophyta | ||
| + | | subphylum= Spermatophytina | ||
| + | | classis = Magnoliopsida | ||
| + | | subclassis = Rosanae | ||
| + | | ordo = Brassicales | ||
| + | | familia = Brassicaceae | ||
| + | | genus = ''Arabis'' L. | ||
| + | | species = '''''Arabis escholtziana''''' Andrz. | ||
| + | | subspecies = | ||
| + | | synonyms = *''Arabis hirsuta ssp. eschscholtziana'' (Andrz.) Hultén | ||
| + | *''Arabis hirsuta'' var. ''glabrata'' Torr. & A. Gray | ||
| + | *''Arabis hirsuta'' var. ''eschscholtziana'' (Andrz.) Rollins | ||
| + | }} | ||
| + | <ref>Integrated Taxonomic Information System. Retrieved from https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=508988</ref> | ||
| + | === Description === | ||
| + | Biennial or perennial herb with white flowers<ref name=":1">Flora of North America. Retrieved | ||
| + | from http://dev.floranorthamerica.org/Arabis_eschscholtziana</ref> growing from a taproot, up to 10 dm tall.<ref name=":0">WTU Herbarium, Burke Museum, & University of Washington. Retrieved from <nowiki/>http://biology.burke.washington.edu/herbarium/imagecollection/taxon.php?Taxon=Arabis%20eschscholtziana</ref> Plants hirsute basally, become glabrous above, stems often branched.<ref name=":1" /> Leaves mostly cauline, alternate, auriculate-clasping,<ref name=":2">Hitchcock, C. L., Cronquist, A., Giblin, D., | ||
| + | & Legler, B. et al. (2018). ''Flora of the Pacific Northwest: an'' | ||
| + | illustrated manual''. Seattle: University of Washington Press. p. 283.''</ref> lower surface purple pubescent, glabrous above.<ref name=":0" /> Inflorescences racemose, simple or branched<ref name=":1" />, ebractate.<ref name=":2" /> Sepals 4, glabrous,<ref name=":0" /> lateral pair saccate basally;<ref name=":2" /> petals 4; stamens 6, tetradynamous; style to 1 mm.<ref name=":0" /> Siliques erect to appressed, 3-6 cm long.<ref name=":2" /> | ||
| + | |||
| + | === Bloom Period === | ||
| + | April to July<ref name=":0" /> | ||
| + | |||
| + | === Distribution === | ||
| + | Covering much of western North America, in Washington more common east of the Cascade crest.<ref name=":0" /> | ||
| + | |||
| + | === Habitat === | ||
| + | Open meadows to woodlands,<ref name=":2" /> often in disturbed habitats.<ref>University of Washington. Retrieved from https://depts.washington.edu/propplnt/Plants/Arabis.htm.</ref> | ||
| + | |||
| + | === Propagation === | ||
| + | Sow the seed as soon as it is ripe in a light position in a cold frame. Seed can also be sown in spring. When large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. Conduct divisions after flowering, usually in the spring. The divisions can be planted into their permanent plots if required. <ref>Rice, G. (1988). ''A Wide Range of Perennial Plants that can be Grown in Britian and How to Grow Them''. Volume 2. Thompson and Morgan.</ref> | ||
| + | |||
===Seed=== | ===Seed=== | ||
| − | ''' | + | [[File:Arabis hirsuta.jpg|300px|thumb|''Arabis hirsuta,'' photo: Lisa Hintz]] |
'''Seed sample from:''' 2011 | '''Seed sample from:''' 2011 | ||
| − | '''Measurement:''' 1.6 x 0.9 x 0.2 | + | '''Average Measurement:''' 1.6 x 0.9 x 0.2 |
| − | ''' | + | '''Measurement Range:''' L: 1.3 - 1.75, W: 0.6 - 1, D: 0.1 - 0.3 |
| − | Texture is bumpy, and seed is somewhat lustrous. | + | ====Features==== |
| + | |||
| + | '''Shape:''' Seeds flat, somewhat winged, especially at hilum end and opposite. Accumbent cotyledons and sulcus present. | ||
| + | |||
| + | '''Color:''' Seed dark brown in center, darkening to black at the winged edges. Hilum inconspicuous. | ||
| + | |||
| + | '''Surface:''' Texture is bumpy, and seed is somewhat lustrous. | ||
'''Latitudinal Cross Section:''' elliptical [[File:ARHI-lat-crosssection.png]] | '''Latitudinal Cross Section:''' elliptical [[File:ARHI-lat-crosssection.png]] | ||
| Line 14: | Line 66: | ||
'''Longitudinal Cross Section:''' elliptical [[File:ARHI-long-crosssection.png]] | '''Longitudinal Cross Section:''' elliptical [[File:ARHI-long-crosssection.png]] | ||
| − | |||
{{Basics}} | {{Basics}} | ||
| + | |||
| + | === Photo Gallery === | ||
| + | <gallery> | ||
| + | File:ARHI RodGilbert veg good.jpg|Photo: Rod Gilbert, 2005 | ||
| + | </gallery> | ||
| + | === References === | ||
| + | <references /> | ||
Latest revision as of 16:52, 24 June 2021
- Scientific Name: Arabis eschscholtziana
- Family: Brassicaceae
- Common Names: hairy rockcress, Pacific coast rockcress
- Synonyms/Misapplications: Arabis hirsuta var. eschscholtziana, Arabis hirsuta var. glabrata
- Codon: ARAHIR
Contents
Taxonomy
| Scientific classification | |
|---|---|
| Kingdom: | Plantae |
| Subkingdom: | Virviriplantae |
| Phylum: | Tracheophyta |
| Subphylum: | Spermatophytina |
| Class: | Magnoliopsida |
| Subclass: | Rosanae |
| Order: | Brassicales |
| Family: | Brassicaceae |
| Genus: | Arabis L. |
| Species: | Arabis escholtziana Andrz. |
| Synonyms | |
| |
Description
Biennial or perennial herb with white flowers[2] growing from a taproot, up to 10 dm tall.[3] Plants hirsute basally, become glabrous above, stems often branched.[2] Leaves mostly cauline, alternate, auriculate-clasping,[4] lower surface purple pubescent, glabrous above.[3] Inflorescences racemose, simple or branched[2], ebractate.[4] Sepals 4, glabrous,[3] lateral pair saccate basally;[4] petals 4; stamens 6, tetradynamous; style to 1 mm.[3] Siliques erect to appressed, 3-6 cm long.[4]
Bloom Period
April to July[3]
Distribution
Covering much of western North America, in Washington more common east of the Cascade crest.[3]
Habitat
Open meadows to woodlands,[4] often in disturbed habitats.[5]
Propagation
Sow the seed as soon as it is ripe in a light position in a cold frame. Seed can also be sown in spring. When large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. Conduct divisions after flowering, usually in the spring. The divisions can be planted into their permanent plots if required. [6]
Seed
Seed sample from: 2011
Average Measurement: 1.6 x 0.9 x 0.2
Measurement Range: L: 1.3 - 1.75, W: 0.6 - 1, D: 0.1 - 0.3
Features
Shape: Seeds flat, somewhat winged, especially at hilum end and opposite. Accumbent cotyledons and sulcus present.
Color: Seed dark brown in center, darkening to black at the winged edges. Hilum inconspicuous.
Surface: Texture is bumpy, and seed is somewhat lustrous.
Latitudinal Cross Section: elliptical 
Longitudinal Cross Section: elliptical 
Basic Explanations and Assumptions:
The dimensions for the seeds are length x width x depth. The location of the hilum is used as the base of the seed, and the length is measured from hilum to the opposite apex. Where a style is present, the length is measured from the hilum to the bottom of the style. Width is measured at a right angle to the length at the widest part. Depth is measured at a right angle to the intersection of height and width lines.
Measurements included are the mean average for each measurement of ten separate seeds.
All measurements in millimeters unless otherwise noted.
Photo Gallery
Photo: Rod Gilbert, 2005
References
- ↑ Integrated Taxonomic Information System. Retrieved from https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=508988
- ↑ 2.0 2.1 2.2 Flora of North America. Retrieved from http://dev.floranorthamerica.org/Arabis_eschscholtziana
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 WTU Herbarium, Burke Museum, & University of Washington. Retrieved from http://biology.burke.washington.edu/herbarium/imagecollection/taxon.php?Taxon=Arabis%20eschscholtziana
- ↑ 4.0 4.1 4.2 4.3 4.4 Hitchcock, C. L., Cronquist, A., Giblin, D., & Legler, B. et al. (2018). Flora of the Pacific Northwest: an illustrated manual. Seattle: University of Washington Press. p. 283.
- ↑ University of Washington. Retrieved from https://depts.washington.edu/propplnt/Plants/Arabis.htm.
- ↑ Rice, G. (1988). A Wide Range of Perennial Plants that can be Grown in Britian and How to Grow Them. Volume 2. Thompson and Morgan.
