Most leaves show dorsoventral anatomy: The upper (adaxial) and lower (
abaxial) surfaces have somewhat different construction and may serve
Kaynak: Leafterm
abaxial | content
abaxial defn The side away from the axis , for instance the lower surface of a leaf. term abort | content wikt:abort
Kaynak: Glossary of botanical termsThe xylem typically lies adaxial with phloem positioned
abaxial . In a stem or root this means that the xylem is closer to the centre of
Kaynak: Vascular bundleThe epidermis of most leaves shows dorsoventral anatomy: the upper (adaxial) and lower (
abaxial) surfaces have somewhat different
Kaynak: Epidermis (botany)Like Neuwiedia with 3 fertile stamens, the other genus of the same subfamily, Apostasia is noted for having 2 fertile,
abaxial stamen s
Kaynak: Apostasia (orchid)Fern fronds often bear sporangia , usually on the
abaxial surface of the pinnae, but sometimes marginally or scattered over the frond.
Kaynak: FrondCone scale base broad, concealing the seeds fully from
abaxial view. Seed without resin vesicles. Seed wing holding the seed in a pair of
Kaynak: PinaceaeThe upper side of the floating leaf, which appears to face the stem axis, is morphologically
abaxial (J. G. Croxdale 1978, 1979, 1981).
Kaynak: SalviniaThe sori are
abaxial but not marginal and carry 5–15 exindusiate round sporangia each. These have a transverse-oblique annulus and
Kaynak: GleicheniaceaeIt is usually interpreted as a bract but it has also been interpreted as one remnant (the
abaxial ) of the three members of outer perianth
Kaynak: Lemma (botany)gives rise to several green fronds that have a pinnated lamina with trichome s on the
abaxial (lower) surface, but not the adaxial (upper) one.
Kaynak: Asplenium ceterachThe farina is often limited to the
abaxial (lower) leaf surface, but may occur on the adaxial (upper) leaf surface as well.
Kaynak: Notholaenain which the leaves are in opposite pairs, and twisted in such a way that the
abaxial surface of one leaf is up, and in the other it is down.
Kaynak: RetrophyllumThe upper portion of the scape and the
abaxial surface of the sepal s are covered with white woolly non-dendritic hairs. Its roots are
Kaynak: Drosera derbyensisYellow spore-producing structures called pustules are produced on the lower (
abaxial) leaf surface, and these are the signs of the disease
Kaynak: Canna rustThe mine has the form of an
abaxial, oval, blotch-mine situated close to the base of the leaflet. References : Category:Animals described in
Kaynak: Phyllonorycter lemarchandi