|
sterile |
|
reproduction |
plant, reproductive structure |
Not producing functional spores, gametes, pollen, ovules, seeds, or other propagules. |
|
barbellulate |
|
architecture |
|
Bearing one or more barbellules (barbellulae). |
|
didynamous |
|
architecture |
flower, androecium |
Diadelphous with two stamens in each set. See also tetradynamous. |
|
biennial 2 |
|
nominative |
plant |
Of biennial duration. |
|
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. |
|
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. |
|
rachis 1 var. rhachis |
|
STRUCTURE |
|
A main or first-order axis of a compound leaf blade. |
|
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. |
|
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. |
|
receptacular |
|
position |
|
Upon, arising from, or otherwise directly associated with the receptacle. |
|
suprabasal |
|
insertion |
|
Just above the base of the structure in point. |
|
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. |
|
non-porous |
|
porosity |
|
Lacking vessels, the tracheary elements limited to tracheids and, sometimes, fiber-tracheids. |
|
chambered |
|
architecture |
pith |
Interrupted by cavities that are more or less regularly spaced along the axis and that result from disintegration of tissue prior to axis maturity. |
