REDISCOVERY OF TRAGOPOGON EROSTRIS IN IRAN (SHORT ARTICLES)

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JAVADI S.B.

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Journal Paper

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Journal: Rostaniha Year:2008 | Volume:9 | Issue:2 (32) Page(s): 117-118

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Title

REDISCOVERY OF TRAGOPOGON EROSTRIS IN IRAN (SHORT ARTICLES)

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JAVADI S.B. | Issue Writer Certificate

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Abstract

In reviewing of herbarium materials of the genus Tragopogon L. and identification of undetermined specimens available in “IRAN” herbarium, a specimen which has been colleted from Hamedan Province (Hamedan to Touyserkan, Shahrestaneh Pass, 8 km to Ganjnameh, 2530-2800 m, 7.8.1992, Termeh, Mousavi & Tehrani, IRAN-52191) had the following characters:Suffrutescent perennial plant, many-stemmed, up to 40 cm high, branched from the base, branches furcate, thin but rigid, glabrous, costate, densely leafy below the middle, absolutely naked above. Leaves grass-like (graminiformis), nervation parallel, flaccid, usually curved at apex, widened at base, up to 5 mm wide in lower leaves, undulate-crispate along margin, narrowly membranous. Peduncle very long not thickened in fruit-bearing period. Involucre including five bracts, in flowering period ca. 10 mm long, in fruit-bearing period ca. 20 mm long, floccose at base; bracts glabrous, 3-4 mm wide, attenuate toward apex. Flowers yellow, slightly longer than involucre. Achenes ca. 12 mm long, smooth, minutely dentate along margin, green-yellowish, 5-ribbed, thick, indistinctly attenuate toward apex, obtuse above, without beak. Pappus brownish, plumose, ca. 10mm long (Fig. 8).Based on the above morphological characteristics and referring to Flora Iranica No. 122 (RECHINGER 1977), the specimen determined as Tragopogon erostris Boiss. & Hausskn.The only specimen of this species (Boiss. Fl. Or. 3: 754, 1854) is the type specimen, collected by Haussknecht from chalky mountains in Kermanshah Province (Sonqor, Kuh-e Dalakhani, 3000 m, date unknown, a. 1867, preserved in G-BOISS herbarium). Therefore, this specimen which was collected from a locality closed to the type specimen is the second report of the taxon after about 154 years from type specimen publication date.

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APA: Copy

JAVADI, S.B.. (2008). REDISCOVERY OF TRAGOPOGON EROSTRIS IN IRAN (SHORT ARTICLES). ROSTANIHA, 9(2 (32)), 117-118. SID. https://sid.ir/paper/553721/en

Vancouver: Copy

JAVADI S.B.. REDISCOVERY OF TRAGOPOGON EROSTRIS IN IRAN (SHORT ARTICLES). ROSTANIHA[Internet]. 2008;9(2 (32)):117-118. Available from: https://sid.ir/paper/553721/en

IEEE: Copy

S.B. JAVADI, “REDISCOVERY OF TRAGOPOGON EROSTRIS IN IRAN (SHORT ARTICLES),” ROSTANIHA, vol. 9, no. 2 (32), pp. 117–118, 2008, [Online]. Available: https://sid.ir/paper/553721/en

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