Taraxacum apenninum

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 337

18. T. apenninum group. ( T. alpinum Hegetschw. , T. officinale subsp. alpinum (Hegetschw.) Chenevard ). Leaves 3-10 cm, variable, entire or lobed, mid-green, subglabrous to arachnoid, horizontal; lobes, if present, narrow, recurved, acute, 4-5 on each side; petiole narrow, short, entire. Scapes 1-5 cm, slender, procumbent or ascending (to erect), usually not exceeding the leaves. Capitulum 15-20 mm in diameter. Involucre 8-12 x 11-14 mm, narrow; outer bracts up to 8 mm, lanceolate to ovate, mid or dark green, rarely purplish, usually without a pale margin, erect to appressed, ecorniculate or slightly callosed. Ligules short, narrow, with a grey or brown stripe. Achenes brownish; body 3-4-3 mm, shortly spinulose; cone 0-2-0-7 mm, conical; beak 5-8 mm, slender. Apomictic. • Mountains of C. & S. Europe. Al Au Bu Cz Ga Ge Gr He Hs It Ju Lu Po Rm.

23 species have been described, mainly from the Alps. The following have a relatively wide distribution:

T. apenninum (Ten.) Ten. , Cat. Piante Orto Bot. Napoli 70 (1845). It.

T. carinthiacum Van Soest , Acta Bot. Neerl. 8: 83 (1959). Au Ga Ge He It Ju.

T. helveticum Van Soest , op. cit. 85 (1959). 2n = 32. Au Cz Ga Ge He It Po.

T. mattmarkense Van Soest , op. cit. 86 (1959). Au Ga He.

T. panalpinum Van Soest , op. cit. 88 (1959). Al Au Cz Ga Ge HeHsItLuRm.

T. parsennense Van Soest , op. cit. 91 (1959). Au Ga He.

T. petiolulatum Van Soest , op. cit. 93 (1959). Au Ge It.

T. saasense Van Soest , op. cit. 95 (1959). Ga He It.

T. venustum Dahlst. , Ark. Bot. 7(1): 5 (1908) ( T. alpinum var. kalbfussii (Schultz Bip.) Hand.-Mazz. ). 2n = 32. Au Ge He It.

T. vetteri Van Soest , Acta Bot. Neerl. 8: 101 (1959). Au Ga Ge Helt.