Botanical Survey of India | Flora of India

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Annuals, small, woolly tomentose; stems erect or procumbent, branched. Leaves alternate, entire, obovate-spathulate, oblong-obovate. Heads heterogamous, disciform, in axillary and terminal clusters, pyramidal, ovoid to cylindrical, very shortly peduncled. Involucral bracts few, small, scarious. Receptacle filiform, constricted at base; paleae 3 - 5 seriate, imbricate, scarious, concave, subtending the outer florets. Outer florets female, many-seriate, filiform, fertile, 2 - 4 toothed. Disc florets bisexual, few, fertile; limb scarcely dilated and 4 - 5 toothed. Anther base sagittate; auricles of short slender tails. Style arms of bisexual florets oblong or linear, obtuse. Achenes cylindrical to obovoid, slightly laterally compressed. Pappus hairs white, slender, scabrid, scanty or absent in ray achenes.

Turkestan, Pakistan, Spain, S.W. and E.N. America, N.W. Africa, S.W. Asia, Caucasia Transcaspie and most of Europe; ca 20 species, 2 in India.

Literature. CHERTEK, J. & J. HOLUB, (1963). Bemerkungen Zur Taxonomic and Nomenklatur der Gattungen Evax und Filago. Preslia 35: 1 - 17. MYRZAKULOV, P. (1968). Notulae de Subtribu Filagineae O. HofTm. Familiae Compositarum. Bot. Maler. Gero. Insl. Bot. Akad. Nauk Kazakh. SSR. 5: 34 - 41. WAGENITZ, G. (1965). Zur Systematik und Nomenklatur einiger Arten Von Filago L. Emend. Gaertn. Subgen. Filago ('Filago germanica' Gruppe). Willdenowia 4: 37 - 59. WAGENITZ, G. (1968). Weitere Beitrage Zur Kenntis der Gattung Filago (Compositae-Inuleae). Willdenowia 5: 55 - 66 . WAGENITZ, G. (1969). Abgrenzung und Gliederung der Gattung Filago L. sensu lato. (Compositae - Inulcae). Willdenowia 5: 395 - 444. WAGENITZ, G. (1970). Die Gattung Filago L. sensu lato (Compositae - Inuleae) in in der Agais. Willdenowia 6: 115 - 138. WAGENTTZ. G. (1970). A key to the species of Filago L. Sensu lato (Compositae) in Palestine wilh notes on the distribution Israel J. Bot. 19: 260 - 265. WAGENTTZ. G. (1970), Uber Vcrbreitung einige Filago - Arten Feddes Rep. 81: 107 - 117.



KEY TO THE SPECIES


1a. Leaves oblong-spalhulate; cluster of heada supported on leafy bracts; achenes pale brown 1. Filago hurdwarica
b. Leaves linear-lanceolate; cluster of heada without leafy bracts; achenes pearl grey 2. Filago paradoxa


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