IIIFカラー高解像度
国立情報学研究所 - ディジタル・シルクロード・プロジェクト
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| IIIFカラー高解像度 |
| Southern Tibet : vol.6 | |
| 南チベット : vol.6 |
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引用情報
A LIST OF FLOWERING PLANTS FROM INNER ASIA.
29
The specimens agree well with the var. virgata Maxim. (1. c. 495) of this polymorphous species.
Geogr. area : Mongolia, Northern China, Tibet, Western Himalaya (? S. virgata D. C.).
Scorzonera mongolica Maxim., in Bull. Acad. Imp. Pétersb. XXXII (1888) 492. Northern Tibet, Mandarlik, 3437 m., medio July i 900 (flowering hardly yet begun). MAXIMOVICZ mentions (1. c. 493) a »var. foliis distinctius trinerviis sensim acuminatis minusque carnosis» from Gobi, which seems to be our plant.
Geogr. area: Mongolia.
Chondrilla polydichotoma Ostf. nov. sp. (Pl. III, Fig. 2).
Herba perennis, glaber. Caulis erectus, 35-4o cm. altus, ramosissimus ramis permultis divaricato-dichotomis. Folia basalia caulorum squamiformia; caulina inferiora brevi-oblonga basi semi-amplectante, cetera in squamis minutis triangulari-setaceis reducta. Capitula parva, 3-8-flora, subcylindrica, 8— I o mm. longa, in apicibus ramorum ultimorum pedunculata. Squame involucri glabre, exteriores pauce, breves, obovate, interiores multo longiores oblonge, obtuse, margine + membranaceo. Corolle flave (?). Achenia matura non visa, immatura parva, superne vix angustata truncata, costata, subcompressa, conformia.
Ex affinitate Ch. j5aucitorce Ledeb. et Ch. leiossermce Kar. et Kir., differt ramis divaricatis, foliis basalibus caulorum squamiformibus, glabritate totius plante etc.
East- Turkestan, Gölme-Käti, freshwater pool at lower Tarim, 880 m.; i 9th May 1900 (flow.; typus!); Camp I, Dunglik, 882 m., i st July 1900 (flow.).
This remarkable plant has been referred to Chondrilla with some hesitation as the very young achenes do not show any definite character; but it has so much general likeness to Ch. ftarviflora Ledeb. in habit, shape of the heads and the involucral bracts etc., that I think the reference is correct.
Mulgedium tataricum (L.) D. C. Prodr. VII (I 8 3 8) 248; Ledeb., Fl. Ross. II, 2 (I 846) 842 ; Fedtschenko, in Acta Horti Petrop. XXI (I 903) 369, XXIV (I 904) 136; Lactuca tatarica C. A. Mey. ; Stewart, in Bull. Torrey Bot. Club (1916) 647.
East-Turkestan, Lower Tarim, 83o m., summer 1900 (leafy shoots only); Camp XVI, Tuna-toghdi, eastern Tarim, 825 m., 8th June 1900 (leafy rosettes only).
Geogr. area: Southern Russia, Caucasus, Siberia, Afghanistan, Pamir, Turkestan, Tibet, Kansu.
Sonchus dentatus Ledeb. Fl. Alt. IV (i 8 3 3) i 41; Icon. pl. Fl. ross. tab. 87; Fl. Ross. II, 2 (1846) 835.
Var. tibeticus Ostf nov. var. Differt a typo levitate squamarum involucri, et colore corolle : albescente in parte majore, sed dentibus apicalibus et parte superiore inferne roseo.
Northern Tibet, Kash-otak, 2916 m., beginning of Aug. 1900 (flow.).
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