|
Style head
|
The expanded distal part of the style, including the stigma, in some species of Apocynaceae. Same as clavuncle. |
|
|
Style oblique
|
Slanting from the verticle. |
|
|
Style umbonate
|
Same as ovary summit umbonate. |
|
|
Styloid
|
Slender and pointed, needlelike. |
|
|
Stylopodium
|
An enlargement at the base of the style as in some species of Apiaceae and Lamiaceae. |
|
|
Sub-
|
A prefix meaning “below,” “less than,” or “subordinate.” |
|
|
Subclass
|
A unit of classification, a subdivision of a class; e.g., the Magnoliidae and Asteridae are two of the six subclasses of the class Magnoliopsida, according to the system of Cronquist (1981). |
|
|
Submerged
|
A structure, such as a vein, emeshed in the tissue in which it occurs to such an extent that it is not visibile; usually referring to leaf veins that are not visible and not projecting above the surface of the leaf blade. |
|
|
Suborbiculate
|
A suborbiculate shape is widest at the middle and possesses a length to width ratio of greater than 1.2:1 to 1.5:1. Based on Hickey (1973). For more information about leaf morphology and leaf architecture see Ellis et al. (2009). |
|
|
Subshrub
|
A plant that is intermediate between a herb and a shrub and slightly woody only at the base; a perennial plant woody only at the base. Same as suffrutex. |
|
|
Subsidiary cells
|
Epidermal cells that surround stomates and are different in shape, size, or position from other epidermal cells. |
|
|
Subsidiary cells
|
Epidermal cells that surround stomates and are different in shape, size, or position from other epidermal cells. |
|
|
Subspecies (abbreviated subsp. or ssp.)
|
A taxonomic rank just below species and above variety; e.g., Heliconia acuminata subsp. acuminate (Heliconiaceae). Same as ssp. |
|
|
Subsuperior ovary
|
A type of inferior ovary in which the sepals, petals, and stamens do not arise clearly from the apex but instead appear to arise from lower down on the ovary. |
|
|
Subulate
|
Awl-shaped. |
|
|
Succulent
|
Fleshy and juicy, many species of Cactaceae and some species of Euphorbiaceae are succulent. |
|
|
Sucker
|
A secondary shoot arising from the base of a tree or shrub or from the bases of many monocots. Same as sprout which is the prefered term. |
|
|
Suffrutescent
|
Adjectival form of suffrutex. |
|
|
Suffrutex (plural = suffrutices)
|
A plant that is intermediate between a herb and a shrub and slightly woody only at the base; a perennial plant woody only at the base. Same as subshrub. |
|
|
Sulcado
|
Surcado o con hendiduras; por ejemplo, el tronco de algunas especies de Aspidosperma (Apocynaceae). Equivalente a acanalado. A una escala menor, se podría referir a los surcos del hipantio de una flor, como a aquellos dispuestos verticalmente, abajo de entre los lóbulos del cáliz de Lecythis mesophylla |
|
|
Sulcate
|
Furrowed or grooved. |
|
|
Sulcate
|
Furrowed or grooved; e.g., the trunk of some species of Aspidosperma (Apocynaceae). On a larger scale same as fluted. On a smaller scale, it may refer to groves of the seed of Elaeagnus bullatum or those extend downward from between the calyx-lobes of Lecythis mesophylla. |
|
|
Sulcate hypanthium
|
Refers to a hypanthium that is furrowed or grooved. |
|
|
Sulcus (plural = sulci)
|
A furrow or groove. |
|
|
Superior ovary
|
An ovary of a hypogynous or perigynous flower in which the sepals, petals, and stamens arise from beneath or around the ovary (= hypogynous) or from the rim of a hypanthium (=perigynous). |
|