Displaying 1301 - 1325 out of 1575 Object(s)

Term Definition
Sésil Se aplica a hojas, inflorescencias y flores que carecen de peciolos, pedúnculos o pedicelos, respectivamente Sésil
Sessile Stalkless, as in some leaves, inflorescences, and flowers. Same as petiole absent. Sessile
Shingle leaves Broadly overlapping, simple, juvenile leaves that are markedly different from adult leaves of the same species; e.g., in certain species of Araceae and Marcgravia spp. (Marcgraviaceae). Shingle leaves
Shoot apex That part of the stem of a seedling above the point of attachment of the cotyledons. Same as epicotyl. Shoot apex
Short shoot A condensed branchlet bearing leaves at the apex. The shoots are usually covered aggregated scars. Short shoot
Shrub A woody plant that is branched at the base or unbranched but less than 2 meters tall. The difference between unbranched shrubs and treelets is sometimes unclear. Compare with treelet and tree. Shrub
Shrub layer A hypothetical stratum in rainforest forest consisting of shrubs and very small trees of tropical rain forest which is located between the ground layer and the understory tree layer. Compare with understory and emergent. Shrub layer
Silicle A fruit similar to a silique but scarcely, if at all, longer than wide, characteristic of some species of Brassicaceae. Compare with silique. Silicle
Silique An elongate (usually more than twice as long as wide) capsular fruit with two seed chambers and a persistent replum, characteristic of some species of Brassicaceae. Compare with silicle. Silique
Simpétala Se dice de la flor o corola que tiene los pétalos fusionados, al menos en parte. Equivalente a gamopétala. Opuesta a polipétala Simpétala
Simple Referring to an organ, such as a leaf, that is not divided into smaller units. Opposite of compound. Simple
Simple leaf Referring to a leaf that is not divided into smaller units. Opposite of compound. Simple leaf
Sinuate Possesssing a wavy or undulate margin. Sinuate
Sinuate Possesssing a wavy or undulate margin. Sinuate
Sinus The space or recess between two lobes of a leaf, petal, or other expanded organ. Sinus
Slash A slanted cut through the bark that reveals charcters useful in field identification of trees. Slash
Slash A slanted cut through the outer and inner barks that reveals characters useful in tree identification. Slash
Smooth A part of a plant, such as the bark or hypanthium, that does not have furrows or conspicuous outgrowth Smooth
Smooth With a plane surface, e.g., without bumps (tuberculate), ribs (costate), wings (alate), or grooves (sulci). Smooth
Smooth hypanthium A hypanthium that does not have furrows or conspicuous outgrowths. Smooth hypanthium
Soft bast The outer functional part of the xylem, i.e., the living part of the xylem that transports water and nutrients to the leaves. Same as sapwood. Soft bast
Solitary flower (inflorescence) Referring to the presence of a single flower in an inflorescence. Solitary flower (inflorescence)
Somatic Referring to plant cells other than reproductive cells (eggs and sperm). Somatic
Sorus (plural = sori) An outgrowth of a fern frond that covers the sporangia. Sorus (plural = sori)
Spadix (plural = spadices) A congested spike with very small flowers that often is subtended by a spathe; e.g., the inflorescences of Araceae. Spadix (plural = spadices)