Flora of North America Glossary
Displaying 1526-1550 of 2673
| Term | Synonyms | Category | Limitation | Definition |
|---|---|---|---|---|
| non-stomate-bearing | = astomatiferous | architecture | Lacking stomates in the epidermis. | |
| notch | = emargination | FEATURE | A relatively small, acute sinus at the distal end of a laminar structure. | |
| notched | = emarginate | apex | laminar structure | Having a relatively small, acute, distal sinus. |
| notorhizal | = incumbent | arrangement | cotyledons | Adaxially contiguous and reflexed parallel to the hypocotyl and radicle, the abaxial surface of one lying against them. |
| nucellus pl. nucelli | STRUCTURE | The distinct, genetically diploid tissue layer immediately surrounding the embryo sac of an ovule; often considered equivalent to a megasporangium wall. | ||
| nut | nominative | fruit | Relatively large, indehiscent, one-loculed, one-seeded and with a thick, hard, sometimes osseous pericarp; derived from a single, simple or compound ovary. See also acorn (glans). | |
| nutant | = cernuous, nodding | orientation | stalked structure | Having the stalk proximally erect and distally recurved, the main body thus oriented outward to downward. See also pendent (hanging, pendulous). |
| nutlet | nominative | fruit | A small, relatively hard-coated mericarp; esp. in Lamiaceae (Labiatae), Verbenaceae. | |
| nutrition | CHARACTER | Mode of acquiring nutrients. | ||
| obcompressed | < flattened | solid shape | Flattened adaxially and abaxially, parallel to the longitudinal axis, as though pressed or squeezed from the upper and lower surfaces, the external surface otherwise basically convex. Used alone, this term usually implies a strong degree of flattening; otherwise, it is often used in combination with some other term that describes the overall shape exclusive of ("before") flattening, e.g., obcompressed-lanceoloid. See also compressed (complanate), depressed. | |
| obconic(al) | solid shape | Transversely round, essentially triangular in median longitudinal section, and broadest distally; inversely conic(al) (cone-shaped). | ||
| obcordate | plane shape | Inversely cordate (heart-shaped). | ||
| obcordiform | solid shape | Inversely cordiform (heart-shaped). | ||
| obdeltate | plane shape | Approximately equilaterally triangular, broadest distally, and regularly attenuate to an angular base; inversely deltate; equilaterally cuneate. | ||
| obdeltoid | < three-angled, trigonous, triquetrous | solid shape | Three-angled (trigonous, triquetrous), broadest distally, and regularly attenuate to an angular base; inversely deltoid. | |
| obdiplostemonous | architecture | flower, androecium | Having the stamens dicyclic, the proximal whorl with members directly above the petals, the distal whorl with members directly above the sepals. See also diplostemonous. | |
| oblanceolate | plane shape | Inversely lanceolate (lancehead-shaped). | ||
| oblanceoloid | = oblanciform | solid shape | Inversely lanceoloid (lancehead-shaped, lanciform). | |
| oblanciform | = oblanceoloid | solid shape | Inversely lanciform (lancehead-shaped, lanceoloid). | |
| oblate | plane shape | Symmetrically elongate and broader than long perpendicular to the developmental or polar axis. | ||
| oblate | solid shape | Symmetrically elongate and broader than long perpendicular to the developmental or polar axis. | ||
| oblique 1 | apex | Asymmetric about its longitudinal axis. | ||
| oblique 1 | base | Asymmetric about its longitudinal axis. | ||
| oblique 2 | orientation | planate lateral structure | Lying in a plane not coincident with the one defined by its longitudinal axis and that of the bearing structure. | |
| oblong 1 | plane shape | Compressed-elliptic, the sides approximately parallel from near one end to near the other. See also elliptic(al) (oval). |
Displaying 1526-1550 of 2673