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

Lysimachia punctata L.
spotted loosestrife (large yellow loosestrife)
Myrsinaceae (Myrsine family)

Introduction to Vascular Plants

© Rosemary Taylor  Email the photographer   (Photo ID #40537)

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Distribution of Lysimachia punctata
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Species Information

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General:
Perennial herb from a rhizome; stems erect, several, simple, slightly if at all dotted with reddish- or purplish-black spots, densely glandular-hairy, 60-120 cm tall.
Leaves:
Basal leaves lacking; stem leaves in whorls of 3 or 4, broadly lanceolate.
Flowers:
Inflorescence of axillary whorled flowers, 3-5 per axil in the upper part of the stems, leafy or on short branches; corollas uniformly yellow, 10-16 (18) mm wide, without streaks or dots, cup-shaped, 5-lobed, the 5-lobes glandular-fringed with small hairs; calyces green throughout, 5-lobed, the lobes to 10 mm long, the filaments fused at the bases, sterile stamens lacking; styles persistent.
Fruits:
Capsules, breaking into valves at dispersal; seeds few.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist roadsides and ditches in the lowland zone; infrequent garden escape in BC west of the Coast-Cascade Mountains; 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.

Synonyms and Alternate Names

Lysimachia punctata var. verticillata (M. Bieb.) Klatt

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References