The embryology of angiosperms: Its broad application to the systematic and evolutionary study

Tobe, Hiroshi

doi:10.1007/bf02488572

Cited by 80 publications

(56 citation statements)

References 38 publications

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“…These include most Theales and all Lecythidales (Theanae) and all Primulanae. It may be noted here that the Chrysobalanaceae have bitegmic and tenuinucellate ovules, this character supporting their place in Theales (Tobe and Raven 1984;Dahlgren and Thome 1984) rather than in Rosales where they are placed by tradition. But more data are considered.…”

Section: Obturatorsupporting

confidence: 58%

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Steps Toward a Natural System of the Dicotyledons

Dahlgren¹

1991

aliso

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Embryological character states are mapped on the diagrams of dicotyledons (G. Dahlgren 1989). The often well-defined pattern of distribution forms a basis for discussing and clarifying phylogenetic relations. It is shown how numerous embryological characters, alone or in combinations, support certain systematic constellations, even if the character states may have arisen independently within a varying number of evolutionary lines. Characters presented are: anther wall formation; tapetum types; cells in pollen grains at dispersal; microsporogenesis; ovule morphology; ovule integuments; endothelium; obturator; parietal tissue; embryo sac formation; antipodal cells; hypostase, embryogeny; polyembryony; endosperm formation; persistence of endosperm; ruminate endosperm; endosperm haustoria; perisperm; storage compounds in the endosperm; chlorophyllous embryo; embryo size, seed coat characters; arils; dry and wet stigma types.

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Section: Obturatorsupporting

confidence: 58%

“…Tobe (1989) listed 48 embryological characters that may all be investigated and used in systematic and evolutionary studies. They may have arisen independently, within a varying number of evolutionary lines, but in combination with other characters states, they can be helpful in characterizing clades.…”

Section: Introductionmentioning

confidence: 99%

Steps Toward a Natural System of the Dicotyledons

Dahlgren¹

1991

aliso

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“…However, it has been suggested that mode of embryo development is one of the most variable embryological characters within angiosperm and possibly only consistent below the generic level (Tobe, 1989). Thus, the similar mode of embryogeny found in Jasminum species and A. distichum does not validate the relationship of the two tribes nevertheless this feature parallelly evolved in Jasminum and Abeliophyllum.…”

Section: This Study Confirms the Solanad Type Of Embryogeny Inmentioning

confidence: 99%

Embryo, Seed coat and Pericarp Development in Abeliophyllum distichum Nakai (Oleaceae): A Rare and Endemic Plant of Korea

Ghimire¹,

Jeong²,

Choi³

et al. 2015

Korean Journal of Plant Resources

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-Abeliophyllum distichum is a monotypic taxon of Oleaceae and endemic to Korea. A comprehensive study on embryogeny and fruit and seed coat ontogeny in Abeliophyllum was carried out via microtome and light microscopy. The fertilization occurs during mid-to late April and embryo matures by early July. The embryo development follows the general fashion from globular embryo -transition embryo -heart shaped embryo -torpedo embryo -walking-stick embryo to mature embryo. The pericarp clearly differentiates into three histological zones: exocarp, mesocarp, and endocarp. The young seed comprises 10-12 cells thick seed coat and the mature seed coat comprises an exotesta, 6-8 mesotesta and an endotesta. Any crystals, phenolic-like compounds, idioblasts, and the sclereids are not found in pericarp as well as seed coat. An overall development confirms Solanade type of embryogenesis in Abeliophyllum. The endocarp becomes more prominent in mature fruit and all the layers of endocarp are highly lignified. On the basis of mechanical layer the seed coat is of exotestal type.

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“…Embryological data may provide more than 50 characters associated with anther, ovule and seed development, and thus contribute to a better understanding of character evolution between and within families (Tobe 1989). Embryological characters were decisive in the classification of flowering plants (e.g., Cronquist 1981Cronquist , 1988.…”

Section: Introductionmentioning

confidence: 99%

Anther wall formation, sporogenesis and gametogenesis of Tripterospermum chinense (Gentianaceae), with emphasis on uniformity of characters in Tripterospermum and its systematic values

Ao¹

2013

Blum - J Plant Tax and Plant Geog

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The embryology of angiosperms: Its broad application to the systematic and evolutionary study

Cited by 80 publications

References 38 publications

Steps Toward a Natural System of the Dicotyledons

Steps Toward a Natural System of the Dicotyledons

Embryo, Seed coat and Pericarp Development in Abeliophyllum distichum Nakai (Oleaceae): A Rare and Endemic Plant of Korea

Anther wall formation, sporogenesis and gametogenesis of <I>Tripterospermum chinense</I> (<I>Gentianaceae</I>), with emphasis on uniformity of characters in <I>Tripterospermum</I> and its systematic values

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