flexuose |
|
course |
|
See flexuous. |
obturbinate |
|
solid shape |
|
Inversely turbinate (top-shaped). See also pyriform (pear-shaped). |
crenate |
= scalloped |
margin |
|
Having regularly alternating, rounded convexities and concavities oriented more or less perpendicular to the generalized perimeter. See also crenulate (small-scalloped), dentate, denticulate (small-toothed), serrate (sawtoothed), serrulate (small-sawtoothed). |
homomorphic |
> homocladic, homophyllous, homostylous |
architecture |
|
Occurring in only one form within the taxon in point. |
stomatal pore 2 |
= stomium |
FEATURE |
|
The opening in the wall of a sporangium, between the lip cells, through which the spores exit; in Psilotophyta, Lycopodiophyta, Equisetophyta, Polypodiophyta. |
pungent 1 |
= acrid |
apex |
|
Terminating abruptly in a rigid, relatively short, sharp point composed of both vascular and laminar tissues. |
areolate |
|
relief |
|
Having numerous, small, irregularly disposed, transversely angular, shallow depressions or low protrusions overall. |
…cleft |
? …fid, …lobate, …lobed, …parted, …partite, …segmented |
plane shape |
|
Having the number of lobes, divisions or segments indicated by the prefix; as in three-cleft. |
vascular bundle |
|
STRUCTURE |
|
A discrete strand of conducting tissues (xylem, phloem) and associated cells (e.g., cambium) within a stem or other axial structure. |
selliform var. sellaeform |
= saddle-shaped |
solid shape |
|
Relatively thin, broad and long, strongly compound-curved, concavely from end to end and convexly from side to side; like the generalized shape of a saddle. |
glandless |
= eglandular |
architecture |
|
Lacking glands. |
acute |
= sharp |
apex |
|
Sharply angular; regularly and more or less straightly attenuate to an angular tip, the sides intersecting at an angle of less than 90°. |
intravaginal |
|
position |
|
Within the leaf sheath. |
beaklet 1 |
= rostellum |
STRUCTURE |
|
A small beak or rostrum. |
suture |
|
FEATURE |
|
An evident line of ontogenetic union. |
epipetalous |
|
insertion |
|
Upon the petals, or partially adnate thereto and apparently arising therefrom. |
rhomboid |
= diamond-shaped |
solid shape |
|
Transversely square, broadest and longitudinally angular at the middle, regularly attenuate to angular ends, all faces essentially plane; like the stylized shape of a diamond. |
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. |
corniculum pl. cornicula |
= horn |
STRUCTURE |
|
A straight or curved, slenderly conic or conoidal protrusion or terminal portion that resembles an animal horn. |
hemispheric(al) |
|
solid shape |
|
Half-spheric(al); broadest at the base and uniformly rounded to the apex, circular in any transverse section, and half-circular in any median longitudinal section. |
star-shaped 2 |
= stellate |
solid shape |
|
Having a distal aspect like the stylized shape of a star; stipitate or sessile with elongate branches or appendages radiating widely in three dimensions from a common point at the apex of the proximal axis or, when sessile, upon the bearing surface. |
leathery |
= coriaceous |
texture |
|
Moderately thick, tough, and very pliable. |
torulose |
= knotted |
solid shape |
|
Elongate and irregularly round in transverse section with narrow irregular constrictions and intervening, closely proximate gongyloid sectors, the whole straight or variously curved; serially gongyloid; like a sequentially knotted rope. |
antrorse |
|
orientation |
|
Directed forward or upward, toward the distal end of the context of reference, parallel or at an acute angle to the bearing structure. |
fine-fringed |
= fimbrillate |
margin |
|
Finely fringed (fimbriate). |