E-Flora BC: Electronic Atlas of the Flora of British Columbia

Subularia aquatica subsp. americana L. G. Mulligan & Calder
awlwort
Brassicaceae (Mustard family)

Introduction to Vascular Plants
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Distribution of Subularia aquatica subsp. americana
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Species Information

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General:
Annual herb from a fibrous root; stems erect, 1-10 cm tall, glabrous.
Leaves:
Basal leaves erect, linear and awl-like, 1-5 cm long, about 1 mm wide, entire; stem leaves similar, few, reduced.
Flowers:
Inflorescences racemose, open; flower stalks 1-2 mm long, ascending to erect; petals white, 0.2-1 mm long; sepals green, 0.5-0.8 mm long, erect, glabrous.
Fruits:
Silicles, narrowly elliptic to broadly egg-shaped, 2-3 mm long, 1.5-2 mm wide, inflated, glabrous; beaks obsolete; seeds oblong, about 1 mm long, wingless.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet, usually shallow water along streams, shorelines and shallow ponds in the lowland, steppe and montane zones; infrequent in S BC; N to AK, YT and NT, E to NF and S to WY and CA.

Source: The Illustrated Flora of British Columbia

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Flora North America treatment for Brassicaceae
Genetic information (NCBI Taxonomy Database)
 International Plant Names Index
 Taxonomic Information from the World Flora Online
 Integrated Taxonomic Information System

Additional Photo Sources

UBC Herbarium Scanned Collection Record
 Images From CalPhoto
UT Austin's Native Plant Database
 Google Image Search
 Flickr Image Search

General References

Google Scholar Search
Family References
 General Botanical References for BC
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-05-20 11:12:54 AM ]
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