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

Romanzoffia sitchensis Bong.
Sitka romanzoffia (Sitka mistmaiden)
Hydrophyllaceae (Waterleaf family)

Introduction to Vascular Plants

Distribution of Romanzoffia sitchensis
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Species Information

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Illustration Source: The Illustrated Flora of British Columbia

General:
Perennial herb from a short stem base and a bulbous base; stems several, ascending, glabrous, 10-30 cm tall.

Leaves:
Basal leaves numerous, the blades round to kidney-shaped, 1-4 cm wide, palmately veined, shallowly lobed or coarsely toothed, stalks 1-6 cm long with expanded, overlapped thickened bases, these woolly-hairy on the margins; stem leaves similar, few, reduced, near the base of the stem.

Flowers:
Inflorescence of several stalked flowers in a loose, elongate, terminal cluster; corollas white, usually with yellow centres, 6-11 mm long and wide; calyces shorter than the clefts of the corollas, the lobes linear-lanceolate, glabrous or minutely glandular.

Fruits:
Capsules, 2-chambered; seeds numerous.

Source: The Illustrated Flora of British Columbia

Key to the Species and Taxonomic Notes

1. Plants bearing well-developed, brown-woolly tubers at the base; rare in the lowland zone...................................R. tracyi

1. Plant without tubers, but the leaf stalks strongly dilated and overlapping to form a bulbous base; infrequent to frequent in the upper montane to alpine zones..................................R. sitchensis

Source: Illustrated Flora of British Columbia

Habitat / Range

Moist to wet cliffs and talus slopes from the upper montane to alpine zones; frequent on Vancouver Island, less frequent on the Queen Charlotte Islands, Cascade Mountains and SE BC; N to SE AK, E to AB and S to ID, MT and N CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Romanzoffia sitchensis

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information	Value / Class
Site Information	Minimum	Average	Maximum
Elevation (metres)	30	504	2030
Slope Gradient (%)	0	29	85
Aspect (degrees) [0 - N; 90 - E; 180 - S; 270 - W]	8	57	315
Soil Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric]	3	4	6
Modal Nutrient Regime Class	D
Number of field plots species was recorded in:	18
Modal BEC Zone Class	CWH
All BEC Zones (# of stations/zone) species was recorded in:	CWH(10), MH(4)
Source: Klinkenberg 2020

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.

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Native	S5	Yellow	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer, the authoritative source for conservation information in British Columbia.

Taxonomic and Nomenclatural Links

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

Additional Range and Status Information Links

Burke Museum of Natural History (Washington State records)
CalFlora
Consortium of Pacific Northwest Herbaria records
Jepson Interchange
NatureServe Explorer
USDA

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: 2024-11-24 8:17:57 PM ]

Disclaimer: The information contained in the E-Flora atlas pages is derived from expert sources as cited in each section. This information is scientifically based. E-Flora also acts as a portal to other sites via deep links. As always, users should refer to the original sources for complete information. E-Flora BC is not responsible for the accuracy or completeness of the original information.