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

Sagina japonica (Sw.) Ohwi
Japanese pearlwort
Caryophyllaceae (Pink family)

Introduction to Vascular Plants

© Frank Lomer  Email the photographer   (Photo ID #29091)

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Distribution of Sagina japonica
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Species Information

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General:
Annual or biennial herb from a taproot and branching stem-base; stems decumbent to erect, glabrous, 2-20 cm tall/long.
Leaves:
Basal leaves succulent, linear, 0.7-1.8 cm long, up to 1.5 mm wide, 1-nerved, glabrous, in rosettes; stem leaves opposite, 2-6 pairs, linear, 5-15 mm long, often with clusters of secondary leaves in their axils; stipules lacking.
Flowers:
Inflorescence of axillary, solitary flowers; petals 5, narrowly egg-shaped, white, 1.8-2.0 mm long, sometimes lacking; sepals 5, greenish, elliptic, rounded, about 2 mm long.
Fruits:
Capsules egg-shaped, 2-2.2 mm long, 5-valved; seeds about 0.4 mm long, slightly pebbled, dark brown, with a small, distinct projection.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry waste places in the lowland zone; rare in coastal BC, known only from Prince Rupert and Nanaimo; introduced from E. Asia.

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

Additional Photo Sources

General References