Thysanocarpus curvipes Hook.
Slender erect annuals with nearly-simple stems growing from a strong taproot. Flowers very small white or purplish in racemes. Stems 2-4 mm in diameter, tall, very slender, little branched, somewhat pubescent. Basal leaves 1-3.5 cm long, in an apparent rosette, coarsely dentate, narrowed at the base into a short petiole. Stem leaves mostly entire, small, sagittate. Fruit a pendulous one-seeded sillicle, 6 mm or less long, slightly longer than broad, plano-convex, with a flat, nearly-circular wing with conspicuous radiating veins or perforations (Gilkey and Dennis, 1967; Douglas et al., 2002). Photo by Nhu Nguyen.
Mesic to dry disturbed areas and waste places at low elevations. Infrequent on S.E. Vancouver Island, south to California and east to Idaho.
Fine textured soil.
soil reaction salinity
5.5 to 7
Mesic to dry.
Probably an early seral species.
bec zone subzone status
Occurs in drier Garry oak communities in association with Astragalus, Draba, Poa, Lupinus, Brodiaea, and Erodium (specimen notes, University of Victoria Herbarium).
Possible candidate species for reclamation use.
February to June (Neihaus, 1976).
fruit ripening time
April to June (Clark, 1998)
seed collection time
April to June
collection and abstraction
Collect fruits by hand-picking into collection bags when ripe (Potash and Aubrey, 1997).
No information available. Assume cold storage at < 5º C.
fruit seed dormancy treatment
No information available.
additional info and photos
For more information and pictures, visit the E-Flora BC website at www.eflora.bc.ca.www.eflora.bc.ca