|
prothallus pl. prothalli |
|
STRUCTURE |
|
A very diminutive thallus that is reproductively mature and undergoes no further growth; in Polypodiophyta, Pinophyta. |
|
mamma pl. mammae |
|
STRUCTURE |
|
A rounded-conoidal protrusion, resembling the breast of a mammal. |
|
banner |
= standard, vexillum |
STRUCTURE |
|
The relatively large, erect adaxial (upper) petal in a papilionaceous corolla. |
|
sickle-shaped 2 |
= falcate |
solid shape |
|
Elongate, strongly compressed, and arcuate in the plane of compression, the two faces more or less plane and parallel, the degree of curvature decreasing distally or not; like a sickle blade. |
|
curly |
= crispate, crisped |
margin |
|
Having closely and irregularly spaced, irregularly shaped, often compound convexities that curve irregularly through three dimensions. |
|
birettaform |
|
solid shape |
|
Approximately square in cross section and shallowly convex at the top; like a biretta (Roman Catholic cleric's hat). |
|
ladder-like |
= scalariform |
arrangement |
|
Disposed in vertical sequence with long axes horizontal and parallel. |
|
tessellate 2 |
= checkered |
relief |
|
Having a pattern of regularly disposed squares marked by raised or depressed vasculature. |
|
spur 1 |
|
STRUCTURE |
|
A hollow protrusion from a calyx or corolla, often nectariferous. |
|
porous |
|
porosity |
|
Having vessels present. |
|
capillary |
= capillate, hair-like |
solid shape |
|
Finely filiform; like a hair. |
|
…lobed |
? …cleft, …fid, …lobate, …parted, …partite, …segmented |
solid shape |
|
Having the number of lobes indicated by the prefix; as in five-lobed. |
|
tufted 2 |
> floccose |
pubescence |
|
Of or bearing tufts of soft, fine, capillate trichomes that rub off easily. |
|
seriate |
= cyclic, verticillate, whorled |
arrangement |
|
Disposed along the axis in groups of three or more, the members of each group (cycle, series, verticil, whorl) inserted around the axis at the same level. |
|
epipetalous |
|
insertion |
|
Upon the petals, or partially adnate thereto and apparently arising therefrom. |
|
hypocotyl |
|
STRUCTURE |
|
That portion of an embryo axis between the level of cotyledon insertion above and the root meristem (or radicle, if present) below. |
|
stylopodium pl. stylopodia |
|
STRUCTURE |
|
A discoid enlargement at the base of the styles; esp. in Apiaceae (Umbelliferae). |
|
radiate 2 |
= radial, radiant, stellate |
arrangement |
|
Disposed about and mutually divergent from a common geometric center in two or three dimensions, thus collectively actinomorphic. |
|
actinodromous |
|
venation |
|
Having three or more primary veins that diverge radially from a point at or above the base of the blade and run toward the margin, reaching it or not. |
|
diffuse-porous |
|
porosity |
|
Homogeneously porous, the vessels not differentially disposed by size or number. |
|
fine-fringed |
= fimbrillate |
margin |
|
Finely fringed (fimbriate). |
|
lidded |
= operculate |
architecture |
|
Having a lid (operculum). |
|
rostellum 1 pl. rostella |
= beaklet |
STRUCTURE |
|
A small rostrum (beak). |
|
obscure |
|
manifestation |
|
Hardly evident. |
|
emargination |
= notch |
FEATURE |
|
A relatively small, acute sinus at the distal end of a laminar structure. |
