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FNA | Family List | FNA Vol. 7 | Brassicaceae | Camelina

3. Camelina sativa (Linnaeus) Crantz, Stirp. Austr. Fasc. 1: 17. 1762.

Myagrum sativum Linnaeus, Sp. Pl. 2: 641. 1753

Annuals or biennials. Stems unbranched or branched distally, (1.2-)3-10(-13) dm, glabrous or sparsely pubescent basally, trichomes branched, rarely mixed with fewer, simple ones. Basal leaves often withered by anthesis. Cauline leaves: blade lanceolate, narrowly oblong, or linear-lanceolate, (1-)2-7(-9) cm × 2-10(-15) mm, base sagittate or strongly auriculate, margins entire or, rarely, remotely denticulate, apex acute, surfaces glabrescent or sparsely pubescent, trichomes usually forked. Fruiting pedicels ascending, (8-)12-20(-27) mm. Flowers: sepals 2-3(-4) × 0.5-1 mm; petals yellow, (3.5-)4-6 × 1-1.5 mm; filaments 1.5-3 mm; anthers ca. 0.5 mm. Fruits pyriform or broadly obovoid, 7-9 (-13) × 4-5(-6) mm (distinctly longer than wide), apex often subtruncate; valves each with prominent midvein, margin narrowly winged; style 1.2-2.5 mm. Seeds dark brown, (1.5-)1.8-2.5 × 0.7-1 mm. 2n = 40.

Flowering May-Jun. Farms, grassy areas, fields, waste places; 0-1500 m; introduced; Alta., B.C., Man., N.W.T., Nunavut, Ont., Que., Yukon; Colo., Conn., D.C., Ill., Ind., Iowa, Kans., Maine, Mass., Mich., Minn., Mo., Mont., Nebr., N.H., N.J., N.Mex., N.Y., N.Dak., Ohio, Oreg., Pa., S.C., S.Dak., Vt., Va., W.Va., Wyo.; Europe; Asia; introduced also in South America, Australia.

R. L. McGregor (1985) indicated that Camelina sativa is no longer established in North America; we tend to agree because we have not seen any collections made within the past 40 years.


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