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

1. Camelina microcarpa de Candolle, Syst. Nat. 2: 517. 1821.

Camelina sativa (Linnaeus) Crantz subsp. microcarpa (de Candolle) E. Schmid

Annuals. Stems unbranched or branched distally, (0.8-)2-8 (-10) dm, densely to moderately hirsute basally, trichomes simple, to 2.5 mm, often mixed branched ones, (glabrescent distally). Basal leaves withered by anthesis. Cauline leaves: blade lanceolate, narrowly oblong, or linear-lanceolate, (0.8-)1.5-5.5(-7) cm × 1-10(-20) mm, base sagittate or minutely auriculate, margins entire or, rarely, remotely denticulate, (often subciliate), apex acute, surfaces pubescent, trichomes primarily simple. Fruiting pedicels ascending, 4-14(-17) mm. Flowers: sepals 2-3.5 × 0.5-1 mm; petals pale yellow, (2.5-) 3-4(-6) × 1-2 mm; filaments 1.5-3 mm; anthers ca. 0.5 mm. Fruits pyriform to narrowly so, 3.5-5(-7) × 2-4(-5) mm, apex acute; valves each often with obscure midvein, margin narrowly winged; style 1-3.5 mm. Seeds reddish brown or brown, 0.8-1.4(-1.5) × 0.5-0.6 mm. 2n = 40.

Flowering May-Jul. Farms, fields, meadows, prairies, roadsides, forest margins, open woods; 0-2500 m; introduced; Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., P.E.I., Que., Sask., Yukon; Ala., Ariz., Calif., Colo., Conn., Del., D.C., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Mo., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Okla., Oreg., Pa., R.I., S.Dak., Tenn., Tex., Utah, Vt., Va., Wash., W.Va., Wis., Wyo.; Europe; Asia; n Africa; introduced also in South America.


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