Suprafoliar inflorescence
|
Referring to an inflorescences that arises from above the leaves. |
|
Suprafolilar
|
Referring to a structure that occurs above the leaves |
|
Suture
|
A line of fusion (e.g., the valves of the carpels of an ovary) or a line of dehiscence (e.g., the lines along which anthers or fruits open). |
|
Syconium (plural = syconia)
|
A hollow, fruitlike receptacle lined by tiny achenes, the characteristic inflorescence of figs (Ficus spp., Moraceae). Also called figs. |
|
Symbiosis (symbiotic)
|
Referring to two organisms that live together in what can be beneficial to both organisms (mutualism) or beneficial to one and harmful to the other (e.g., parasitism). |
|
Symbiotic
|
Referring to two different organisms living together in close association and benefiting from that association; e.g., mycorhizzal associations between fungi and plants are symbiotic as well as are ants living in the domatia of Tococa guianensis. |
|
Symmetric
|
Referring to a structure that can be divided into mirror-image halves. This and its associated terms are usually, but not exclusively, applied to flowers. Opposite of asymmetric; compare with actinomorphic and zygomorphic. |
|
Sympetalous corolla
|
Having petals united for at least part of their length. Same as gamopetalous; opposite of polypetalous and choripetalous. |
|
Sympodial growth
|
Referring to a branching pattern in which the terminal bud ceases to grow and growth is continued from a lateral bud; e.g., in most arborescent Combretaceae and some orchids. Sympodial growth often gives a zig-zag appearence to the stem or branches. |
|
Synandry (synandrous)
|
Having united anthers. |
|
Syngynesious anthers
|
Anthers cohering in a ring; e.g., in the Asteraceae. |
|
Synonym (adj. = synonymous)
|
A plant name that represents the same species of another name that is valid, e.g., Lecythis minor Jacq. was published in 1763 and subsequently Lecythis elliptica Kunth was published in 1825. By the law of priority, Lecythis elliptica is a synonym of Lecythis minor. |
|
Synsepalous calyx
|
Having sepals united for at least part of their length. Same as gamosepalous. |
|
Tack-shaped
|
The form of an operculum that possesses a woody extension from the middle of its interior. The opeculum and its extension appear like a large tack. |
|
Tahuampa
|
A Spanish term referring to forest growing in areas periodically indundated by alkaline, café au lait-colored water (also called white water). |
|
Taproot
|
A large primary root, markedly larger than other roots arising from it, that may persist in adult plants and is characteristic of dicots. Compare with fibrous roots. |
|
Taxon (plural = taxa)
|
A taxonomic unit regardless of rank, such as family, genus, or species. |
|
Tendril
|
Coiled or spring-like extensions of a stem, stipules, leaves, part of a leaf, inflorescence that assist in climbing into shrubs and trees. Common iin Bignoniaceae, Cucurbitaceae, Passifloraceae, Sapindaceae, Vitaceae, and other plant families. |
|
Tendril at right angle
|
Referring to a tendrial that arises at a right angle to the leaf, e.g., species of Cucurbitaceae. |
|
Tendril axillary
|
A tendril that arise in the axil of a leaf blade, e.g., species of Passiflora. |
|
Tendril leaf opposed
|
A tendril that arises opposite the insertion of a leaf; for example, Parthenocissus quinquefolia and many othe species of Vitaceae. |
|
Tepal
|
A uniseriate perianth in which it can not be determined if the segments are sepals or petals, e.g., the segments of the perianth of a tulip. |
|
Tepui
|
A Spanish term referring to the flat-topped mountains of Venezuela, Colombia, Guyana, and Suriname that are dominated by a highly endemic flora. |
|
Terete
|
Circular in transverse section. |
|
Terminal bud
|
A bud that terminates the end of a stem or a twig. |
|