subtending |
|
position |
|
Arising from the axis just below and very near to the base of some other specified lateral structure. This term is meaningless if the structure that is subtended is not indicated. |
conoidal |
|
solid shape |
|
Generally but not strictly conic. |
bursicle |
|
STRUCTURE |
|
A pouch- or flap-like protrusion from the stigma that encloses the caudicle of a pollinium. |
introrse |
|
dehiscence |
anther |
Opening inwardly, on the adaxial side. See also extrorse, latrorse. |
perennial 2 |
|
nominative |
plant |
Of perennial duration. |
velamen pl. velamina |
|
STRUCTURE |
|
A thin, often chartaceous (papery, papyraceous) or pergamentaceous (parchment-like), outermost tissue layer of an aerial root; esp. in Orchidaceae. |
emergent |
|
location |
plant, structure of aquatic plant |
Rising from beneath the water surface to a point above it. |
…angular 1 |
|
arrangement |
bundle scars |
Forming a figure with the number of sides indicated by the prefix. |
germination 2 |
|
CHARACTER |
|
The process wherein the contents of a spore begin active growth, exiting the confines of the spore wall via a pore or crack and giving rise to a gametophyte. |
reclining |
|
habit |
axis |
Inserted above substrate level and recurved, the distal portion procumbent. |
suprabracteal |
|
position |
|
Upon the axes, each directly above (distal to) and very near a point of bract insertion. |
spathulate |
|
plane shape |
|
See spatula-shaped, spatulate. |
epipterous |
|
solid shape |
|
Alate with a single terminal wing. |
apiculate |
|
apex |
|
Terminating abruptly in a short, slender, angular tip that is not notably harder or stiffer than the main body of the structure. See also mucronate, mucronulate. |
rhizoid |
|
STRUCTURE |
|
Any structure that is similar to a root in appearance and function but that is not a true root ontogenetically and anatomically, especially one produced from a gametophyte thallus. |
spirolobal |
|
arrangement |
cotyledons |
Incumbent and folded together transversely. |
exsert(ed) |
|
position |
anther, style |
Protruding beyond the floral envelope. See also included. |
tetrad |
|
STRUCTURE |
|
A group of four pollen grains originating from a single pollen mother cell. |
polycarpic |
|
reproduction |
plant |
Normally fruiting repeatedly prior to senescence. |
hemiepiphytic |
|
habit |
plant |
Partially epiphytic; rooted in the ground but with stems growing upon and supported mainly by other plants. |
saprophytic |
|
nutrition |
plant |
Heterotrophic and obtaining essential nourishment directly from the decomposing remains of other organisms. |
deltate |
|
plane shape |
|
Equilaterally triangular, broadest at the base, and regularly attenuate to an angular apex. See also obdeltate. |
prolate |
|
solid shape |
|
Symmetrically elongate parallel to the developmental or polar axis. |
homogamous 1 |
|
maturation |
bisexual flower |
Having the androecium and gynoecium become functionally mature concurrently. |
diffuse-porous |
|
porosity |
|
Homogeneously porous, the vessels not differentially disposed by size or number. |