|
oblong 2 |
|
solid shape |
|
Compressed-ellipsoid, the sides approximately parallel from near one end to near the other. See also ellipsoid(al). |
|
obovate |
|
plane shape |
|
Inversely ovate (egg-shaped). |
|
obovoid |
|
solid shape |
|
Inversely ovoid (egg-shaped). |
|
obscure |
|
manifestation |
|
Hardly evident. |
|
obsolete (not recommended) |
= rudimentary; > vestigial |
manifestation |
|
Not developing fully and not functional compared with corresponding structures in other taxa. |
|
obterete |
|
solid shape |
|
Inversely terete. |
|
obtriangular 1 |
= cuneate, wedge-shaped |
base |
laminar structure |
Attenuate with the sides more or less straight and intersecting at an acute angle. |
|
obtriangular 2 |
= cuneate, wedge-shaped |
plane shape |
|
Inversely triangular; like the outline of the broad lateral face of a wedge, broadest at the apex. See also obdeltate. |
|
obtrullate |
= obtrulliform |
plane shape |
|
Inversely trullate (trowel-shaped, trulliform). |
|
obtrulliform |
= obtrullate |
plane shape |
|
Inversely trulliform (trowel-shaped, trullate). |
|
obtrulloid |
|
solid shape |
|
Inversely trulloid. |
|
obturbinate |
|
solid shape |
|
Inversely turbinate (top-shaped). See also pyriform (pear-shaped). |
|
obtuse 1 |
= blunt |
apex |
|
Bluntly angular; having an angular tip whose generalized sides intersect at an angle of 90° or more. |
|
obtuse 2 |
= blunt |
base |
|
Bluntly angular; having an angular proximal portion whose generalized sides intersect at an angle of 90° or more. |
|
obvolute 1 |
|
arrangement |
cotyledons |
Having each cotyledon folded inward longitudinally, the two facing one another with their edges overlapping alternately (each enveloping one side or the other). |
|
obvolute 2 |
|
vernation |
|
Conduplicate with the lateral edges of each leaf alternately overlapping those of the oppositely oriented, distally next adjacent one. |
|
ocellate |
= eyespotted |
coloration |
|
Having a more or less circular area that differes in hue and/or intensity from the remainder of the structure; esp. a corolla with such an area at its center. |
|
ochrea |
|
STRUCTURE |
|
See ocrea. |
|
ocrea pl. ocreae var. ochrea |
|
STRUCTURE |
|
A tubular sheath that encircles a stem at a node, subtending a petiole; thought to have arisen evolutionarily by lateral fusion of two stipules; in Polygonaceae. |
|
octa… |
= eight-… |
prefix |
|
Indicating presence of or constitution by eight entities of the type denoted by the term's stem; as in octandrous, octocarpellate, octolocular. |
|
odd-pinnate |
= imparipinnate |
architecture |
foliaceous structure |
Compound with each order pinnate and comprising an uneven number of members, one of them terminal. |
|
odor |
|
CHARACTER |
|
Olfactory stimulation. |
|
odorless |
|
odor |
|
Lacking a distinct odor. |
|
oil-secreting |
|
exudation |
|
Producing and exuding an oily substance, often aromatic; when oil-secreting glands are indicated in the nominative, often they are called simply oil glands. |
|
oily 1 |
= greasy, oleaginous, unctuous |
coating |
|
Of a grease- or oil-like film. |
