Abstract
Anthers are tetrasporangiate. Anther tapetum is of the periplasmodial type and its cells become polyploid. Microspore tetrads are tetrahedral. Pollen grains are shed at 3-celled stage. Ovule is anatropous, unitegmic and tenuinucellate. Embryo sac development is of the Polygonum type. Antipodals are either 2 or 3 in number. They become polyploid and are persistent. Synergids are hooked. Endosperm development is of the cellular type and embryo development conforms to the Grand period I, Megarchetype II, series A and sub series A2 in the first embryonic group and it keys out to the Calendula subtype.
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References
Anderson L C 1970 Embryology ofChrysothamnus (Astereae, Compositae);Madrono 20 337–342
Kapil R N and Sethi S B 1962 Gametogenesis and seed development inAinsliaea aptera;Phytomorphology 12 222–234
Kaul V 1972 Embryology and development of fruit in Cichoreae II.Hypochoeris radicata; Proc. 59th Indian Sci. Congr. Part 3, p 338
Kaul V 1973 Embryology and development of fruit in Cichoreae III.Youngia japonica; Proc. 60th Indian Sci. Congr. Part 3, p 328
Kaul V, Dathan A S R and Singh D 1975 Embryological studies in the genusSonchus;J. Indian Bot. Soc. 54 238–245
Maheshwari P 1963 History and present status of angiosperm embryology; inRecent Advances in the embryology of Angiosperms (ed) P Maheswari (Delhi: Int. Soc. Plant Morphologists) pp 1–13
Mestre J C 1964Recerches d’embryogenie comparee: Les rapports phylogenetiques des Composees, Ph.D. thesis, University of Paris, Paris
Pullaiah T 1984Embryology of Compositae (New Delhi: Today and Tomorrow).
Singh D and Kaul V 1974 Cytoembryological studies on IndianTragopogon;Cytologia 40 35–44
Snow E 1945 Floral morphology ofChrysothamnus nauseosus-specious;Bot. Gaz. 106 451–463
Sood S K and Thakur T S 1985 Development of male and female gametophyte and integument initiation inPrenanthes brunoniana (Compositae);Proc. Indian Acad. Sci. (Plant Sci.)94 553–559
Souèges R 1939Embryogenie et Classification (Paris: Herman et Cie)
Tiagi B and Taimni S 1963 Floral morphology and embryology ofVernonia cinerascens andV. cinerea;Agra Univ. J. Res. (Sci.) 12 123–137
Walter R and Kuta E 1971 Cytological and embryological studies inSonchus I. Sonchus asper andS. oleraceus;Acta Biol. Cracov. Ser. Bot. 14 103–109
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Lakshmi, P.S., Pullaiah, T. Embryological investigations inCentipeda minima (Asteraceae). Proc. Indian Acad. Sci. 96, 141–146 (1986). https://doi.org/10.1007/BF03053330
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DOI: https://doi.org/10.1007/BF03053330