{{Short description|Species of flowering plant}} {{Speciesbox | image = USFWS cardamine angulata (23466360809).jpg | status = G5 | status_system = TNC | genus = Cardamine | species = angulata | authority = Hook, 1892 }}

'''''Cardamine angulata''''' is a species of perennial rhizomatous forb known by the common names '''angled bittercress''', '''seaside bittercress''', and '''angle-leaved bittercress'''. The species is endemic to the western United States and British Columbia.<ref name=":0">{{Cite web |title=Cardamine angulata |url=https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.157717/Cardamine_angulata |access-date=2025-05-16 |website=NatureServe Explorer 2.0}}</ref>

==Description==

Angled bittercress has a tall, slender stem ranging from 2 to 8&nbsp;mm (0.08 to 0.31 in) in diameter. The stem can be glabrous or pubescent,<ref name=":1">{{Cite web |title=Cardamine angulata |url=https://oregonflora.org/taxa/index.php?taxon=3582 |access-date=2025-05-16 |website=OregonFlora}}</ref> and there are commonly stiff hairs along the base of the main stem.<ref name=":2">{{Cite web |title=Cardamine angulata |url=https://burkeherbarium.org/imagecollection/taxon.php?Taxon=Cardamine%20angulata |access-date=2025-05-16 |website=Burke Herbarium}}</ref> The leaves are palmately divided, with 3 to 5 egg- or lance-shaped toothed or lobed leaflets. The leaves range from 1.5 to 7.62&nbsp;cm (0.59 to 3 in) in length, and the terminal leaflet is the largest.<ref name=":3">{{Cite web |title=Cardamine angulata |url=https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=17120 |access-date=2025-05-16 |website=The University and Jepson Herbaria}}</ref> The flower petals are 8 to 15&nbsp;mm (0.31 to 0.6 in) in length and 4 to 8&nbsp;mm (0.16 to 0.31 in) in width, obovate, with rounded or notched tips. They may range from white to pinkish in color. The fruits are flat, linear, and erect or ascending. They range from 1.5 to 4&nbsp;cm (0.6 to 1.6 in) in length and 1.4 to 2&nbsp;mm (0.06 to 0.08 in) in width.<ref name=":3" /> The plant can reach up to 3 feet in height.<ref name=":4">{{Cite web |title=Cardamine angulata |url=https://www.wildflower.org/plants/result.php?id_plant=CAAN5 |access-date=2025-05-16 |website=Lady Bird Johnson Wildflower Center - The University of Texas at Austin}}</ref>

The plant flowers from April to June.<ref name=":4" />

== Range and habitat == The angled bittercress can be found throughout California, Oregon, Washington, British Columbia, and Alaska. While the species is listed as secure at the global level, it is ranked as critically imperiled in Alaska and vulnerable in British Columbia and California.<ref name=":0" />

Angled bittercress is a facultative wetland (FACW) species, and is most commonly found in riparian and wetland environments.<ref>{{Cite web |title=Cardamine angulata |url=https://nwpl.sec.usace.army.mil/plant/CAAN5/ |access-date=2025-05-16 |website=USACE National Wetland Plant List}}</ref> This includes wetlands, stream banks, moist woods, wet meadows, and shady, shrubby forests.<ref name=":1" /><ref name=":2" /><ref name=":4" /> The species prefers cool mesothermal climates.<ref>{{Cite web |title=Cardamine angulata |url=https://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Cardamine+angulata |access-date=2025-05-16 |website=E-Flora BC: Electronic Atlas of the Flora of British Columbia}}</ref>

==References== {{Reflist}}

{{Taxonbar|from=Q12207517}}

angulata Category:Flora of Alaska Category:Flora of Oregon Category:Flora of Washington (state) Category:Flora of California Category:Flora of British Columbia Category:NatureServe secure species