Taraxacum retzii
Soest DandelionLeaves oblanceolate, c. 8–18 cm long, 2–4.5 cm wide, glabrate; lateral lobes in (3–) 4 pairs, deltoid and falcate, often with distally directed apices which are acute and often caudate, distal margins of upper 2 or 3 lobes entire or with 1 (–2) acute lobes, proximal margins entire or with 1 acute lobe close to midrib; petiole green suffused with purple. Scapes c. 7 cm long at anthesis, c. 25 cm in fruit. Capitula c. 3 cm diam.; outer bracts ovate-lanceolate, appressed to inner bracts basally, patent to abruptly reflexed in upper half, with white to pale pink borders 0.3–0.5 mm wide, marginally ciliolate, usually without calli; inner bracts linear, 12–14 mm long, 13 mm wide, corniculate at tips. Outer ligules apically naviculate, exceeding involucre by 7–11 mm; anthers with pollen; stigmas greenish yellow. Cypselas turbinate, 2.5–3 mm long, c. 1 mm wide, pale cinnamon to pale ochre, with incurved flat spines c. 0.2 mm long at apex, smooth to verrucate in the lower half; cone broadly cylindrical, 0.5–0.8 mm long; beak 5–10 mm long, pappus 6 mm long. Flowers June–Sept.
Native to France. Grows in natural grassy woodland and disturbed urban areas, mainly on alkaline loamy soils.
Taraxacum retzii superficially resembles T. squamulosum, but has wider abruptly reflexed outer involucral bracts and pale cinnamon to ochre cypselas.