|
strigose |
|
pubescence |
|
Bearing sharp, rigid, appressed, capillate trichomes. See also strigillose (strigulose). |
|
indusium pl. indusia |
|
STRUCTURE |
|
A protective membrane that is an outgrowth from the epidermis and covers a sorus during its maturation; in Polypodiophyta. |
|
parasitic |
|
nutrition |
plant |
Heterotrophic and obtaining essential nourishment directly from other living organisms that derive no reciprocal benefit. |
|
unifacial |
|
architecture |
|
Having two opposite broad surfaces that are essentially similar in appearance. |
|
dull |
|
reflectance |
|
Reflecting only a low proportion of incident light, with no apparent sheen. |
|
basal cell |
|
STRUCTURE |
|
Any of the ring of cells forming the lowermost (proximal) portion of an antheridial wall. |
|
rachilla 2 var. rhachilla |
|
STRUCTURE |
|
A second-order axis in an inflorescence, especially the axis bearing the florets in a spikelet; esp. in Cyperaceae, Poaceae (Gramineae). |
|
connate-perfoliate |
|
architecture |
opposite laminar structures |
Having the bases in each pair fused and together encircling the bearing axis. See also amplexicaulous, perfoliate. |
|
intravaginal |
|
insertion |
|
Within the leaf sheath. |
|
percurrent 2 |
|
architecture |
tertiary laminar veins |
Perpendicular to and interconnecting adjacent parallel secondary veins, the secondary and tertiary veins together forming a scalariform pattern. |
|
simple 2 |
|
architecture |
trichome |
Unicellular and unbranched. |
|
absent |
|
presence |
|
Not occurring within the context in point. |
|
embryo |
|
STRUCTURE |
|
The rudimentary spermatophyte contained within a viable seed. |
|
bigeminate |
|
architecture |
foliaceous structure |
Compound with two orders of leaflets, each order bifoliolate. |
|
geminicolpate |
|
architecture |
pollen grain |
Having four or more surficial grooves (colpi) disposed in pairs. |
|
receptacular |
|
insertion |
|
Upon, arising from, or otherwise directly associated with the receptacle. |
|
coronal |
|
insertion |
|
Upon or otherwise directly associated with the corona. |
|
knee 1 |
|
STRUCTURE |
|
An abrupt bend in an axial or other elongate structure. |
|
spathaceous 1 |
|
architecture |
plant, inflorescence |
Bearing a spathe or spathes. |
|
epipetalous |
|
position |
|
Upon the petals, or partially adnate thereto and apparently arising therefrom. |
|
branched 2 |
|
architecture |
laminar veinlet |
Dividing within the areole, each branch ending blindly. |
|
rhachilla |
|
STRUCTURE |
|
See rachilla. |
|
syngenesious |
|
fusion |
flower, androecium |
Having the anthers connate or coherent and forming a ring. |
|
laminate |
|
architecture |
foliaceous structure |
Having an expanded, more or less planate, distal portion (lamina or blade). |
|
pith |
|
STRUCTURE |
|
The central ground tissue of a stem or, when present, of a root, consisting of thin-walled parenchyma cells; distinct and more or less soft and spongy relative to the other tissues of the axis; sometimes partly or wholly degenerating after secondary growth has begun. |
