Asteraceae


Steptorhamphus tuberosus
Steptorhamphus BUNGE
Steptorhamphus tuberosus (JACQ.) GROSSH.
Ömür: Çok yıllık
Yapı: ot
Hayat formu:
İlk çiçeklenme zamanı: 5
Son çiçeklenme zamanı: 7
Habitat: tepe yamaçları, kalkerli tabaka üzerinde otlu veya kayalık alanlar
Minimum yükseklik: 0
Maksimum yükseklik: 1900
Endemik: -
Element: ?
Türkiye dağılımı: Anadolu (KD. Anadolu hariç)
Genel dağılımı: D. Akdeniz, Kırım, Kafkasya, Irak, İran
Bulunduğu kareler :A2 A3 A5 B1 B2 B3 B4 B7 B9 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10
S. tuberosus (Jacq.) Grossh., Fl. Kavk. 4:258 (1935). Syn: Lactuca tuberosa Jacq., Hort. Vindob. 1:18, t. 47 (1772); L. sonchifolia Willd., Sp. Pl. 3:1530 (1803); L. cretica Desf. in Ann. Mus. Hist. Nat. (Paris) 11:160, t. 19 (1808); L. petraea Fisch. & Mey. in DC, Prodr. 6:134 (1838); Steptorhamphus petraeus (Fisch. & Mey.) Grossh., loc. cit. (1935). Ic: Atchley, Wild Flowers of Attica t. 10 f. a (1938) as Lactuca cretica. Figure 26, p. 781.
Stems erect, 10-75 cm, glabrous, glaucous, like leaves often with reddish tinge. Leaves slightly succulent, glaucous, glabrous or minutely crispate-pubescentbeneath, ciliolate on margins, usually ± sinuate-dentate; basal usually ± runcinate-pinnatisect with 8-16 lateral lobes and attenuate petioloid base, 9-20x2-7 cm; median cauline smaller, sessile, auriculate, auricles small. Inflorescence divaricately branched, paniculiform, 3-45-capitulate, glabrous, glaucous. Involucre 18-36 mm, much longer in fruit than in flower; phyllaries 16-22, 3-5-seriate, regularly imbricate. Flowers pale yellow, often tinged greyish or purplish on ligules beneath, or lilac-purple, 2.4-2.8 cm, hairy about mouth. Achenes 14.5-19.5 cm x 2-3 mm, almost black, strongly compressed, with scattered short translucent spreading hairs and very slender, 8.5-14.5 mm beak. Pappus white, inner 10.5-12 mm, copious, outer 0.3 mm. Fl. 5-7. Hillsides, mostly in grassy or rocky places on calcareous substrata, s.L-1900 m.
Described from a cultivated plant.
Widespread, except for N.E. Anatolia.
A2(A) Kocaeli: Dolaiba, Am. 1382! A3 Bolu: nr Mudurnu, Bornm. 1889:5212. A5 Kastamonu: Guiardagh (Gavur Da.), Sint. 1892:5337! Bl Izmir: Efes, A.&T.Baytop (ISTE 22077)! B2 Manisa: Kula, 700 m, Coode & Jones 2780! B3 Eskişehir: Sündiken Da., 1000 m, Ekim 45! B4 Ankara: nr Ankara, 19 vi 1933, Kotte! B7 Erzincan: 30 km W. of Erzincan, 1500 m, Markgraf 10907! B9 Van: nr Van: Noē. C1 Aydin: nr Didyma, 50 m, Krause 1323. C2 Antalya: Armotte to Arsa, Forbes 382! C3 Antalya: Atbükü, 10 m, Tengwall 616! C4 Konya: 19 km E. of Ermenek, 1170 m, Hub.-Mor. 17333! C5 Içel: nr Mersin, Bouloukli, Bal. 649! C6 Hatay: Amanus Da., 300 m, Akman 8! C7 Urfa: nr Birecik, Sint. 1888:1076! C8 Siirt: Siirt, 1100 m, Frödin 1936:142. C9 Hakkari: Çukurca, 1200 m, D. 44822! C10 Hakkari: 10 km from Bacirge to Yüksekova, 1900 m, D. 45194! Is: Lesvos, Cand.; Samos, mt. Ambelos, Fors.-Maj. 935! Leros, Runemark; Kalimnos, Hansen 69; Nisiros, Hansen 172; Khalki, nr Chorio, 180 m, Gathorne-Hardy 781! Rodhos, nr Bastidia, Bourgeau 89!
E. Mediterranean, Crimea, Caucasia, Iraq, Iran. Most Turkish specimens resemble those from the S. Balkan peninsula, the Aegean region and Cyprus in having yellow ligules, often tinged greyish or purplish beneath. Flower colour is badly under-recorded by collectors, but it is evident that plants from the Levant, Palestine, Iraq, the Caucasus and Iran have violet or lilac ligules, and it is likely that at least the collections from S.E. Anatolia represent this colour variant. The colour variation is apparently not correlated, however, with variation in any other features, and cannot be made the basis of taxonomic distinction.