flush |
|
prominence |
|
Even with the surrounding surface, neither higher nor lower than its general level. |
inferior 1 |
|
insertion |
indusium |
Inserted at the base of the sorus. |
rachis 1 var. rhachis |
|
STRUCTURE |
|
A main or first-order axis of a compound leaf blade. |
alternate 1 |
|
arrangement |
|
Inserted singly along the axis, each at a different level and each diverging on a different radius than the ones next above and below. |
connective |
|
STRUCTURE |
|
The tissue between and joining the laterally opposed thecae of an anther, connecting them with the distal end of the staminal filament when the latter is present. |
intravaginal |
|
position |
|
Within the leaf sheath. |
perennate |
|
duration |
structure |
Persisting in a functional state through the entire growing season. |
simple-craspedodromous |
|
venation |
|
Having a midvein that branches to either side along the length of the lamina, the secondary veins and their branches all running toward and terminating at the margin. |
veined |
|
architecture |
|
Having one or more orders of evident vasculature. |
receptacular |
|
position |
|
Upon, arising from, or otherwise directly associated with the receptacle. |
suprabasal |
|
insertion |
|
Just above the base of the structure in point. |
angled |
|
solid shape |
|
Having sides that meet at acute or obtuse angles. |
gemma pl. gemmae |
|
STRUCTURE |
|
A vegetative propagule by which a gametophyte reproduces asexually; produced by a process analogous to budding, from a more or less cupulate specialized area (gemmae cup) on the surface of the plant body (thallus); in Psilotophyta, Lycopodiophyta, Equisetophyta, Polypodiophyta. |
coronal |
|
position |
|
Upon or otherwise directly associated with the corona. |
knee 2 |
|
STRUCTURE |
|
An emergent portion of an otherwise normally submerged secondary root of a wetland tree, resembling a bent human knee. |
epiphyllous |
|
insertion |
|
Upon the leaves, or partially adnate thereto and apparently arising therefrom. |
muticous |
|
apex |
|
Lacking a distinct terminal point (when one might be expected). |
rhachis |
|
STRUCTURE |
|
See rachis. |
casing |
|
STRUCTURE |
|
The portion (if any) of a floral tube that is adnate to the gynoecium. See also collar, neck. |
nodulose |
|
solid shape |
|
Diminutively nodose; esp. roots of Fabaceae (Leguminosae), the nodules harboring nitrogen-fixing bacteria. |
pollinium pl. pollinia |
|
STRUCTURE |
|
A mass of coherent pollen grains disseminated as a unit by adhering to a pollinating insect, representing the entire content of a single theca or of fused thecae; often distally attenuate to a sterile caudicle (translator arm), which may attach to a viscidium, either directly or through an intervening stipe; esp. in Asclepiadaceae, Orchidaceae. |
square |
|
plane shape |
|
Equilaterally rectangular. |
obterete |
|
solid shape |
|
Inversely terete. |
samara |
|
nominative |
fruit |
Dry, indehiscent and having one or more integral alate portions that aid in aerial dispersal. |
toothlet |
|
STRUCTURE |
|
A diminutive tooth (dens). See also sawtooth, sawtoothlet, scallop (crena), scalloplet (crenule). |