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Gleason, H.A. & Cronquist, A. (1963) Manual of Vascular Plants of Northeastern United States and Adjacent Canada D. van Nostrand Co, Inc. Princetown New Jersey.
Prickly annual herb. Leaves alternate; margins toothed or pinnatifid. Inflorescence terminal, closely subtended by foliage leaves crowded beneath the proper involucre. Flowers yellow, tubular; involucre of several series of broad, firm, spine-tipped bracts; receptacle flat, bristly. Fruit an achene, obliquely attached to the receptacle, many-ribbed, glabrous with a firm 10-toothed crown; pappus biseriate. Worldwide: One species native to the Mediterranean east to Iran. Zimbabwe: 1 cultivated taxon. |
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| Species | Content |
| benedictus L. |
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