…lobate |
? …cleft, …fid, …lobed, …parted, …partite, …segmented |
plane shape |
|
Having the number of lobes indicated by the prefix; as in bilobate. |
bifurcate |
< forked, furcate |
solid shape |
|
Having two terminal, antrorse branches or divisions arising from a common point or level, like the prongs of a fork. |
palet 2 |
= pale, palea |
STRUCTURE |
|
The upper or distal of the (usually) two distinctive bracts immediately subtending the flower in a grass (Poaceae) spikelet. |
placenta pl. placentae, placentas |
|
STRUCTURE |
|
An ovule-bearing zone of the tissue surface bordering an ovary locule; of merely topographic, not histological, significance; may be a part of the ovary wall proper or an extension from it, or a part of the central axis of the ovary or an extension from it. |
dehiscence |
|
CHARACTER |
|
Mode of opening (splitting or forming apertures). |
embryo |
|
STRUCTURE |
|
The rudimentary spermatophyte contained within a viable seed. |
sagittate 2 |
= arrowhead-shaped |
plane shape |
|
Generally triangular, tapering gradually from the base to an acute apex, the base with a relatively large, acute, retrorse lobe to either side; like the outline of the broad lateral face of an arrowhead. |
fistulose |
|
solid shape |
|
Basically tubular with closed ends. |
silky |
= sericeous |
pubescence |
|
Of or bearing long, fine, appressed, capillate trichomes and like silk to the touch. |
glossy |
= laevigate, lustrous, polished, shining, shiny |
reflectance |
|
Uniformly reflecting a high proportion of incident light at all angles. |
hypanthium 2 (strict sense) pl. hypanthia |
= floral cup (strict sense) |
STRUCTURE |
|
A marginal protrusion from or enlargement of the receptacle (torus) of a flower, encircling and wholly, partly or not at all adnate to the gynoecium, bearing the perianth and androecium. |
synangium pl. synangia |
|
STRUCTURE |
|
A compound sporangium; an aggregation of coherent sporangia, the whole multilocular. |
lamina 1 pl. laminae |
= blade |
STRUCTURE |
|
The expanded, more or less planate, distal portion, when present, of a leaf, leaflet or bract. |
…whorled |
= …cyclic, …seriate, …verticillate |
arrangement |
|
Disposed in the number of whorls (cycles, series, verticils) indicated by the prefix; as in three-whorled, 1-whorled. |
…angular 2 |
= …gonal |
plane shape |
|
Having distinct, flat or curved sides of the number indicated by the prefix; as in hexangular, triangular. See also …angled (…gonous), deltate. |
basal |
< proximal |
position |
|
At or very near the developmental origin (base) of a structure. |
capillus pl. capilli |
= hair; > glochid, glochidium; < cilium, trichome |
STRUCTURE |
|
A hair-like trichome. |
opaque |
|
coloration |
|
Not transmitting light. |
columella 1 pl. columellae, columellas |
= carpophore; < stalk |
STRUCTURE |
|
Any pedestal-like prolongation of a floral receptacle extending beyond the distalmost level of perianth insertion and bearing the gynoecium. |
cupule |
|
STRUCTURE |
|
A cup-like structure inserted at the base of a fruit, partially enclosing it or not; composed of a persistent, usually dried, sometimes hardened involucre, perianth, or portion thereof, the constituent parts often coalescent, yielding a unitary structure. |
puberulent |
|
pubescence |
|
Finely pubescent in the restricted sense of that term. |
dull |
|
reflectance |
|
Reflecting only a low proportion of incident light, with no apparent sheen. |
rootstock |
= rhizome |
STRUCTURE |
|
An underground, usually horizontal stem, often superficially resembling a root but easily distinguished by the presence of nodes, from which it branches exogenously to produce the aboveground portion(s) of the shoot. |
serrate |
= sawtoothed |
margin |
|
Having regularly spaced, angular convexities oriented at an acute angle to the generalized perimeter. See also crenate (scalloped), crenulate (small-scalloped), dentate (toothed), denticulate (small-toothed), serrulate (small-sawtoothed). |
squamule 1 |
= squamella; < scale |
STRUCTURE |
|
A diminutive squama (lepis). |