nectaries absent

Listing 1 - 6 from 6 for nectaries absent

Angiosperm Families - Anarthriaceae Cutler & Airy Shaw
... idioblasts; without calcium oxalate crystals. Vessels present. Stem anatomy. Secondary thickening absent. Xylem with vessels. Vessel end-walls scalariform. Reproductive type, pollination. ... . Plants monoecious (rarely), or dioecious. Gynoecium of male flowers absent. Floral nectaries absent (? — no septal nectaries). Pollination anemophilous. Inflorescence, floral, fruit and seed morphology. ...
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Angiosperm Families - Brunelliaceae Engl.
... nectaries absent (commonly), or present. Stomata present; anomocytic. Hairs present; unicellular. Adaxial hypodermis present. Lamina dorsiventral. Stem anatomy. Nodes tri-lacunar, or penta-lacunar. Internal phloem absent ... , or axillary; branching cymes. Flowers small; regular; cyclic. Free hypanthium absent. Hypogynous disk present (adnate to the calyx); intrastaminal; annular (hairy, notched). ...
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Ranunculaeae Society - Plants and Cultivation
... , but in Clematis (with the exception of Clematis alternata) they are opposite. Stipules are usually absent, although with stipules in Thalictrum; Actaea and some others, however. Flowers: may be solitary, but ... are no proper petals. When petals are present these are ordinarily tubular, and serve as nectaries. In Helleborus and Eranthis, for example, the sepals are large and showy, and petaloid, the ...
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Drynariaceae [First Draft]
... separate, forming individual nests, rachises not persistent; laminae deeply pinnatifid or subpinnate, with conspicuous nectaries situated below the junctions of rachis and costae, or of costae and veins. ... narrowly cuneate, margin crenate to serrate, apex obtuse to acuminate, free veinlets simple or absent, hydathodes absent. Sori in one row between costa and margin, costal, singly between the veins ...
hua.huh.harvard.edu

Chapter 3: Taxonomy, Page 1
... or polygamomonoecious. Floral nectaries present, or absent. Nectar secretion when produced, from the gynoecium (via septal nectaries), or from the androecium (via nectaries associated with ... present (occasionally, pyrimidine), or absent. Proanthocyanidins present (usually, abundantly), or absent (e.g. Livistona); cyanidin. Flavonols present (rarely), or absent; when present, kaempferol and quercetin ...
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Commelinaceae
... the superior ovary which develops into a capsule. Many species have hairy stamen filaments. Nectaries are absent and the flowers do not produce nectar. Many species are cultivated for decorative effect as ...
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