Synsets for "adaxial"

Synset: adaxial.a.01

Synonyms: adaxial

Part of Speech: ADJECTIVE

Definition: nearest to or facing toward the axis of an organ or organism

Examples: the upper side of a leaf is known as the adaxial surface

Lemmas: adaxial ventral

Hypernym:

Hyponym:

Antonyms: abaxial

    

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Monopteryx the two adaxial sepals are almost completely united and cover the floral bud.
Colocasia esculenta It is also used for Anthocyanin study experiments especially with reference to abaxial and adaxial anthocyanic concentration.
Matricaria The taxonomy of "Matricaria" is controversial and very confused. Several species are classified either in "Tripleurospermum" or "Matricaria" depending on the interpretation of the author. The distinction is made according to the number of the seed ribs: "Tripleurospermum" has one adaxial and two lateral seed ribs, while "Matricaria" has four or five adaxial seed ribs.
Arabidopsis thaliana The establishment of leaf dorsiventrality is important since the dorsal (adaxial) surface of the leaf is different from the ventral (abaxial) surface.
Erysiphe betae This fungus has a white powdery appearance. It appears on leaves in the summer time. Infection normally begins on older leaves, typically close to the junction between the lamina and petiole, and it develops on both ab- and adaxial surfaces.
Polylepis Leaf Anatomy: The leaves of all species are built on a dorsiventral arrangement of cells, with the epidermis and palisade layer on the adaxial surface and the spongy tissue on the abaxial surface.
Leaf The xylem typically lies on the adaxial side of the vascular bundle and the phloem typically lies on the abaxial side. Both are embedded in a dense parenchyma tissue, called the sheath, which usually includes some structural collenchyma tissue.
Tomato leaf mold The symptoms of this disease commonly occurs on foliage, and it develops on both sides of the leaf on the adaxial and abaxial surface. The older leaves are infected first and then the disease moves up towards young leaves.
Glossary of plant morphology In the angle (adaxial) between the leaf and the stem, is the axil. Here can be found buds (axillary buds), which are miniature and often dormant branches with their own apical meristem. They are often covered by leaves.
Willkommia Inflorescence composed of racemes. Racemes borne along a central axis; unilateral. Rhachis flattened (2), or angular (2). Spikelet packing adaxial; 2 -rowed (1/1). Spikelets appressed (1), or ascending (3); solitary. Fertile spikelets sessile.
Ranunculus acraeus "R. acraeus" has been mistaken for "R. piliferus" but minute morphological differences distinguish each plant as its own species. "R. acraeus" has finely crenate leaves and bract margins. The plant also has a glabrous peduncle and 6 to 7 sepals that are glabrous on the adaxial surface and hairy on the abaxial surface. Glabrous means that it is smooth, glossy, and not hairy. More specifically, the abaxial surface of the sepal is moderately to densely covered in fine, pilose hair. The adaxial surface of the sepal is glabrous on the proximal part and sparely hairy to glabrous near the distal part. The stems hold one flower apiece. These features distinguish it from the "R. piliferus". "R. piliferus" on the other hand has sepals that are hairy on both the adaxial and abaxial surfaces.
Ribes contumazensis It is a dioecious shrub approximately tall, its shoots and adaxial leaf surfaces covered with scattered stalked glands less than half a millimetre long. Its petiole is long and wide, with its stipules well differentiated, united with the petiole for . Its adaxial surface is subglabrous, eglandular, while the abaxial surface has scattered stalked glands especially on its primary and secondary veins. Inflorescences are terminal on short lateral shoots (brachyblasts); racemes are pendent, and the peduncle is long, with scattered stalked glands. Flowers are narrowly cyathiform and a brownish yellow colour, covered with scattered glandular trichomes. The hypanthium is long; calyx lobes are ovate and acuminate.
Vascular bundle The xylem typically lies adaxial with phloem positioned abaxial. In a stem or root this means that the xylem is closer to the centre of the stem or root while the phloem is closer to the exterior. In a leaf, the adaxial surface of the leaf will usually be the upper side, with the abaxial surface the lower side. This is why aphids are typically found on the underside of a leaf rather than on the top, since the sugars manufactured by the plant are transported by the phloem, which is closer to the lower surface.
Ribes sanchezii Ribes sanchezii is a species of currant, named after Peruvian botanist Isidoro Sánchez Vega of Cajamarca. This species of "Ribes" is distinct form both "R. andicola" and "R. colandina" because of its ovate to elliptical leaves with a very poorly developed lateral lobe and its aberrant indument. The two latter species have leaves with pubescence on both the adaxial and abaxial surface and the adaxial leaf surface is matt green, whereas "R. sanchezii" has a shiny dark green upper leaf surface and pubescence abaxially restricted to the primary and secondary veins. "Ribes sanchezii" also has strongly resupinate fruits, whereas the fruits of "R. andicola" and "R. colandina" are pendulous.
Pittosporum bicolor Leaves are narrow, and vary in shape from being lanceolate to slightly ovate. They are typically 2–8 cm long and 5-18mm wide, margins are flat or distinctly recurved, with an obtuse to subacute apex. They are alternately arranged along the stem, and, as the name suggests, are most distinct in the contrasting colours of the leaf surfaces. The adaxial surface being a glossy dark green colour, and the abaxial surface being light green to silver-grey in colour. The abaxial surface is heavily coated in fine white hairs, and occasionally the adaxial surface will also have a sparse coating of white hairs.
Evolutionary history of plants Once the leaf primordial cells are established from the SAM cells, the new axes for leaf growth are defined, one important (and more studied) among them being the abaxial-adaxial (lower-upper surface) axes. The genes involved in defining this, and the other axes seem to be more or less conserved among higher plants. Proteins of the "HD-ZIPIII" family have been implicated in defining the adaxial identity. These proteins deviate some cells in the leaf primordium from the default abaxial state, and make them adaxial. It is believed that, in early plants with leaves, the leaves just had one type of surface — the abaxial one. This is the underside of today's leaves. The definition of the adaxial identity occurred some 200 million years after the abaxial identity was established. One can thus imagine the early leaves as an intermediate stage in evolution of today's leaves, having just arisen from spiny stem-like outgrowths of their leafless ancestors, covered with stomata all over, and not optimized as much for light harvesting.
Plant evolutionary developmental biology Once the leaf primordial cells are established from the SAM cells, the new axes for leaf growth are defined, one important (and more studied) among them being the abaxial-adaxial (lower-upper surface) axes. The genes involved in defining this, and the other axes seem to be more or less conserved among higher plants. Proteins of the "HD-ZIPIII" family have been implicated in defining the adaxial identity. These proteins deviate some cells in the leaf primordium from the default abaxial state, and make them adaxial. It is believed that in early plants with leaves, the leaves just had one type of surface - the abaxial one. This is the underside of today's leaves. The definition of the adaxial identity occurred some 200 million years after the abaxial identity was established. One can thus imagine the early leaves as an intermediate stage in evolution of today's leaves, having just arisen from spiny stem-like outgrowths of their leafless ancestors, covered with stomata all over, and not optimized as much for light harvesting.
Liriope tetraphylla This species has eight ecto-endodermal statocysts that are enclosed within mesogloea. There are four perradial marginal tentacles that are hollow and long and have nematocyst rings. There are also four interradial tentacles that are small and solid. these have adaxial nematocyst clusters.
Ziziphus nummularia "Ziziphus nummularia" is a shrub up to high, branching to form a thicket. The leaves are rounded like those of "Ziziphus zizyphus" but differ from these in having a pubescence on the adaxial surface. The plant is commonly found in agricultural fields.
Perianth An additional structure in some plants (e.g. "Narcissus", "Passiflora" (passion flower), some "Hippeastrum", Liliaceae) is the corona (paraperigonium, paraperigon, or paracorolla), a ring or set of appendages of adaxial tissue arising from the corolla or the outer edge of the stamens. It is often positioned where the corolla lobes arise from the corolla tube.