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

Thysanocarpus curvipes Hook.
sand lacepod (sand fringepod)
Brassicaceae (Mustard family)

Introduction to Vascular Plants

© Adolf Ceska  Email the photographer   (Photo ID #5611)

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Distribution of Thysanocarpus curvipes
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Species Information

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Annual herb from a taproot; stems 15-80 cm tall, simple to freely branched, usually stiff-hairy below, glabrous above.
Basal leaves several, shed early, oblanceolate, 1.5-5 (7) cm long, toothed to shallowly lobed, the lobes pointing backwards, short-stalked; lower stem leaves similar to basal; middle to upper stem leaves smaller, oblong to narrowly lanceolate, unstalked, with ear-like lobes at the bases, entire to toothed.
Inflorescence of 4-7 mm long, slender (almost threadlike), recurved stalks; petals white or sometimes purplish-tinged, narrow, about 1 mm long; sepals often purplish, white-margined, about length of petals.
Silicles, elliptic to round, 5-8 mm long, glabrous to stiff-hairy or somewhat woolly-hairy, wing entire, wavy-margined or round-toothed, radiately nerved; beaks 0.5-1.5 mm long, often exserted.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry disturbed areas and waste places in the lowland zone; locally infrequent in SW BC, known only from SE Vancouver Island and the Gulf Islands; S to ID and CA.

Source: The Illustrated Flora of British Columbia


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

Thysanocarpus amplectens Greene
Thysanocarpus curvipes var. elegans (Fisch. & C.A. Mey.) B.L. Rob.
Thysanocarpus curvipes var. eradiatus Jeps.
Thysanocarpus curvipes var. longistylus Jeps.
Thysanocarpus elegans Fisch. & C.A. Mey.

Taxonomic and Nomenclatural Links

Additional Photo Sources

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General References