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

Stachys byzantina K. Koch
lamb's-ear (woolly hedgenettle)
Lamiaceae (Mint family)

Introduction to Vascular Plants

Distribution of Stachys byzantina
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Species Information

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Illustration Source: The Illustrated Flora of British Columbia

General:
Perennial herb from a rhizome; stems erect, 30-80 cm tall, branched above, 4-angled, softly long-hairy.

Leaves:
Opposite, narrowly egg-shaped to oblong, 5-10 cm long, rounded to more or less heart-shaped at the base, toothed, the upper ones unstalked, the lower ones stalked.

Flowers:
Inflorescence a sometimes interrupted, bracted spike; bracts reddish-purple, as long as the calyces; corollas deeply 2-lipped, dark purplish-blue, 9-12 mm long; calyces egg-shaped to tubular, 6-8 mm long, long-hairy, the upper lip minutely 3-toothed, shorter than the lanceolate teeth of the lower lip.

Fruits:
Nutlets, 4 clustered together.

Source: The Illustrated Flora of British Columbia

Key to the Species and Taxonomic Notes

KEY TO STACHYS

1. Plants annuals......................................................................S. arvensis

1. Plants perennials.

2. Plants densely covered with soft, white hairs...........................S. byzantina

2. Plants not white-hairy.

3. Leaves unstalked, at least those of upper half of stem.............. S. palustris

3. Leaves all stalked.

4. Plants 70-150 cm tall; corollas deep red-purple; tubes 15-23 mm long.......................S. chamissonis

4. Plants 30-80 cm tall; corollas pale pink to pink-purple, tubes 8-13 mm long....................S. mexicana

Source: Illustrated Flora of British Columbia

Habitat / Range

Waste places in the lowland zone; rare garden escape on S Vancouver Island and the Gulf Islands; introduced from Europe.

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.

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Exotic	SNA	Exotic	Not Listed

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

Synonyms and Alternate Names

Stachys lanata
Stachys olympica Poir.

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

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: 2024-05-18 5:11:09 AM ]

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