Asteraceae |
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Helichrysum GAERTNER |
H. arenarium (L.) Moench, Meth. 575 (1794). Syn: Gnaphalium arenarium L., Sp. PL 854 (1753). Plant grey-adpressed-tomentose, eglandular. Flowering stems 9-46 cm, arising from short stout branched caudices. Sterile shoots with prominently swollen leaf-bases. Basal leaves often crowded, linear-oblanceolate to spathulate, 7-60x1∙5-8 mm; cauline ones narrowing to linear above; sometimes with crisply undulate margin. Capitula numerous, subglobose. Phyllaries ± flat or cucullate, yellow (rarely straw-coloured) or apricot. All flowers hermaphrodite. Fl. 5-8. Dry calcareous or sandy soils; steppe, banks, 250-3200 m. 1. Phyllaries cucullate, apricot, yellow or straw-coloured subsp. rubicundum 1. Phyllaries flat, yellow 2. Leaves undulate; basal leaves 7-20 x 1∙5-4 mm subsp. erzincanicum 2. Leaves not undulate; basal leaves 10-50 x2-8 mm subsp. aucheri subsp. rubicundum (C. Koch) Davis & Kupicha in Notes R.B.G. Edinb. 33:239 (1974). Syn: Antennaria rubicunda C. Koch in Linnaea 17:49 (1843); Helichrysum undulalum Ledeb., Fl. Ross. 2:606 (1845)! H. arenarium (L.) Moench var. plinthocalyx C. Koch in Linnaea 24:348 (1851); if. arenarium wax. rosea Trautv. in Acta Horti Petrop. 1:23 (1871); H. rubicundum (C. Koch) Bornm. in Bull. Herb. Boiss. ser. 2, 7:34 (1907); H. undulatum Ledeb. subsp. rubicundum (C. Koch) Takht. in Takht. & Fedorov, Fl. Erevana 283 (1972). Figure 5, p. 87. Map 11, p. 91. Described from Armenia. E. Anatolia. A9 Kars: Kars to Selim, 1800 m, D. 30662 (ABb)! A/B9 Kars: Iğdir to Tuzluca, 1080 m, M.Zohary & Plitm. 2266-3 (Ab)! B7 Malatya: 3 km E. of Malatya, 920-950 m, Hub.-Mor. 9464 (Ab)! B9 Ağri: nr Diyadin, 1065-1220 m, Hewitt 182 (Ab)! Van: d. Başkale, ispiriz Da., 3200 m, D. 23773 (aB)! Kars: Aralik to Takjaltu, B.Post 2027 (ab)! B10 Ağri: Doğubayazit to Iğdir, 1620 m, M.Zohary & Plitm. 2264-47 (AB)! Kars: Araş valley, 800 m, D. 43818 (AB)! Caucasia, N.W. Iran. Ir.-Tur. element. Within subsp. rubicundum there is variation in both degree of leaf-undulation and phyllary colour. In the preceding specimens, leaves with wavy margins are shown by 'A', straight by 'a'; apricot capitula are shown by 'B', yellow or straw-coloured by 'b'. |