Botanical Survey of India | Flora of India

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Leontopodium (Pers.) R. Brown


Herbs, perennial, tufted, usually tomentose. Leaves in basal rosettes or clustered and spreading, alternate upwards, spathulate-linear, lanceolate or oblanceolate, entire. Heads dioecious or heterogamous, solitary or in involucral clusters, subsessile or peduncled. Involucral bracts many seriate, scarious, woolly. Receptacle convex or flat, naked. Ray florets female, filiform, fertile, truncate or minutely toothed. Disc florets bisexual, sterile, tubular; limb 4 - 5 lobed. Anther bases sagittate, auricled with slender tails or connate, caudate. Styles of bisexual florets entire or 2-fid. Achenes oblong, terete or subcompressed. Pappus hairs of female florets slender; those of bisexual florets crisped or thickened at tip.

In mountains of Europe, Asia and S. America; ca 30 species, 8 in India.

Literature. BEAUVERD, G. (1909). Contribution a L etude Des composes Asiatiques Bull. De La Soc. Bot. De Genev. 1(5): 364 - 376. BEAUVERD. G. (1911). Sur La distribution geographique des genres Leontopodium Cassini et Cicerbita Wallr- emend. Beauv. Bull. Murilh. Soc. Valais. Sci. Nat. 36: 77-120. Refer also Bot Jahrb. Englr. 46: 59 - 60. 1912. FRANCHET. H. (1927). Systemalische Monographie der Gattung Leontopodium Beih. Bot. Centralbl. 44. 1 - 178. 1 - 2 Monographic. HANDEL - MAZZETTI, H. (1927). Leontopodium R. Br. pflanzenr. 1: 63 - 65. maps 51 a-54. Geographical distr. HARA et. al. (1982). An enumeration of the flowering plants of Nepal 3: 33 - 34.

Notes. Heads in this genus have been described sessile (Hook. f., Fl. Brit. India 3: 278. 1881) but in most of the species they are shortly peduncled. Further the genus exhibits a wide range of variability and needs biosystematic and monographic approach for a correct assessment of the genus.



KEY TO THE SPECIES


1a. Stems and leaves with slipilale glands 8. Leootopodium stracheyi
b. Stems and leaves without such glands 2
2a. Cushion forming; leaves densely imbricate. minute 3. Leontopodium haastioides
b. Mat forming. tufted or caespitose; leaves in rosettes or scattered 3
3a. Mat forming herbs with slender floriferous stalks; leaves covered with dense yellow- grey tomentum 6. Leontopodium monocephalum
b. Tufted or caespitose herbs with thick floriferous stalks; leaves covered with ashy- white tomentum 4
4a. Acaulescent herbs 7. Leontopodium nanum
b. Stems prominent 5
5a. Involucral bracts 3 - 5 cm long 4. Leontopodium himalayanum
b. Involucral bracts 0.4 - 1.5 cm long 6
6a. Stems with aerial stolons, involucral bracts tliangular 5. Leontopodium jacotianum
b. Stems without aerial stolons; involucral bracts not triangular 7
7a. Indumentum crispale-lanale; foliaceous bracts ovate-lanceolate 2. Leontopodium brachyactis
b. lndumentum non crispate; foliaceous bracts linear-oblong or spathulate 1. Leoptopodium alpinum


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