Ontogeny of Triovulate Cones of Ephedra intermedia and Origin of the Outer Envelope of Ovules of Ephedraceae
The origin of the two envelopes of ovules of extant species of Ephedraceae has been discussed previously in different ways based only on investigation of bimerous female cones. To generalize the characteristics of the two envelopes, ontogenetic and metamorphic patterns of the two envelopes of ovules...
| Veröffentlicht in: | American Journal of Botany. - Botanical Society of America, Inc.. - 91(2004), 3, Seite 361-368 |
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| Format: | Online-Aufsatz |
| Sprache: | English |
| Veröffentlicht: |
2004
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| Zugriff auf das übergeordnete Werk: | American Journal of Botany |
| Schlagworte: | Ephedra intermedia Ephedraceae Ontogeny Origin Outer Envelope of Ovule Trimerous Female Cone Biological sciences |
| Online verfügbar |
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