Flora of the Canadian Arctic Archipelago

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S.G. Aiken, M.J. Dallwitz, L.L. Consaul, C.L. McJannet, R.L. Boles, G.W. Argus, J.M. Gillett, P.J. Scott, R. Elven, M.C. LeBlanc, L.J. Gillespie, A.K. Brysting, H. Solstad, and J.G. Harris

Papaveraceae A.L. de Jussieu

English: Poppy family.

Papaveraceae, Poppy family.

Vegetative morphology. Plants perennial herbs; caespitose. Taproot present. Ground level or underground stems vertical. Caudex present. Aerial stems a small transition zone between taproot and basal leaves. Leaves mainly basal; alternate; dying annually and non-persistent, or marcescent. Petioles 4–80 mm long; flat; glabrous, or hairy. Leaf blade bases truncate, or obtuse, or cuneate. Blades (10–)20–120 mm long, (10–)20–120 mm wide, lanceolate, flat, veins pinnate. Blade adaxial surface glabrous or hairy, hairs simple, hairs sparse to dense, hairs white, or translucent (or light brown). Blade abaxial surface glabrous or hairy, hairs sparse to moderately dense, hairs white. Blades lobed. Blade margins with non-glandular hairs; apices acuminate, or acute, or obtuse, or rounded.

Reproductive morphology. Flowering stems without leaves. Flowers solitary. Sepals conventional; 2; free; 8–12 mm long; green, or brown. Calyx hairy. Calyx hairs brown, or black. Petals conventional; free; 4(–6); white, or yellow, or pink; obovate (to broadly obovate); unlobed, or slightly lobed or undulating; (8–)10–20(–30) mm long. Stamens 20–50. Anthers yellow; short-cylindrical, or long-cylindrical. Ovary superior; carpels 4–8; syncarpous. Ovaries hairy; tomentose, or strigose. Ovary hairs sparse, or moderately dense, or very dense; brown (almost black); appressed; straight (or curved, with more or less thickened bases). Styles absent. Placentation parietal. Ovules per ovary 2. Fruit dry; a capsule; spherical (subglobose or hemispherical), or ellipsoid (barrel shaped), or obovate (obovoid), or oblong, or clavate; brown; 5–25 mm long; 5–10 mm wide; hairy; not distinctly flattened; dehiscent. Styles stigmas persisting. Seeds 30–500; 0.9–1.1 mm long; brown; surfaces ridged.


This publication is available on the internet (posted May 2011) and on CD-ROM (published in 2007). These versions are identical in content, except that the errata page for CD-ROM is accessible on the main index page of the web version.

Recommended citation for the web-based version of this publication: Aiken, S.G., Dallwitz, M.J., Consaul, L.L., McJannet, C.L., Boles, R.L., Argus, G.W., Gillett, J.M., Scott, P.J., Elven, R., LeBlanc, M.C., Gillespie, L.J., Brysting, A.K., Solstad, H., and Harris, J.G. 2007. Flora of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. NRC Research Press, National Research Council of Canada, Ottawa. http://nature.ca/aaflora/data, accessed on DATE.

Recommended citation for the CD-ROM version of this publication: Aiken, S.G., Dallwitz, M.J., Consaul, L.L., McJannet, C.L., Boles, R.L., Argus, G.W., Gillett, J.M., Scott, P.J., Elven, R., LeBlanc, M.C., Gillespie, L.J., Brysting, A.K., Solstad, H., and Harris, J.G. 2007. Flora of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. [CD-ROM] NRC Research Press, National Research Council of Canada, Ottawa.

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