Pastinaca sativa, L.

1. P. sativa L. View in CoL , Sp. Pl. 262 (1753) View Cited Treatment .

More or less pubescent biennial up to 100 cm. Stem hollow or solid, angled or terete. Basal leaves usually simply pinnate, rarely ( subsp. sativa var. fleischmannii (Hladnik) Bumat ) 2-pinnatisect; secondary veins inconspicuous; segments (2—)5— 11, acute or obtuse, crenatedentate, the teeth with a cartilaginous mucro; petioles slender, not spongy. Rays 5-20, more or less angled. Bracts and bracteoles 0-2, caducous. Fruit 5-7 mm, broadly elliptical; wing 0-25-0-5 mm wide; vittae on the commissural face not reaching the ends of the fruit. Most of Europe except the Arctic, but only as an escape from cultivation in parts of the north. Al Au Be Br Bu Co Cz Ga Ge Gr He Ho Hs Hu It Ju Po Rm Rs (*B, C, W, K, E) Sa?Si Tu [Da Fe Hb Lu No Rs (N) Su],

1 Stem, petiole, upper surface of leaves and rays with sparse, short, straight hairs; leaf-segments often narrow and acute or acuminate, often cuneate at base and ±pinnatisect in lower part; stem usually strongly angled (a) subsp. sativa

1 Stem, petiole, upper surface of leaves and rays ±grey-hairy; hairs on stem usually long and flexuous; leaf-segments usually broad, obtuse, subcordate at base, crenate-dentate or shallowly lobed in lower part; stem angled or terete

2 Stem angled (b) subsp. sylvestris 2 Stem terete 3 Terminal umbel not or little larger than the others; rays usually 5-7, nearly equal; longest about twice as long as partial umbel (c) subsp. urens

3 Terminal umbel much larger than lateral; rays usually 10-12; longest 3-4 times as long as partial umbel

(d) subsp. divaricata