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stephanoporate |
|
architecture |
pollen grain |
Having more than three pores disposed equatorially. |
|
mesochilium |
|
STRUCTURE |
|
The central portion of a labellum (lip) that has distinct proximal, distal, and central parts; in Orchidaceae. See also epichilium, hypochilium. |
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anisosepalous |
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architecture |
flower, perianth, calyx |
Having sepals unequal in size and/or shape. |
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neck (floral tube) |
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STRUCTURE |
|
The solid, usually constricted portion of a floral tube sometimes present between casing and collar when those are both present. |
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deltate |
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plane shape |
|
Equilaterally triangular, broadest at the base, and regularly attenuate to an angular apex. See also obdeltate. |
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superaxillary |
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insertion |
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Internodal but close to and directly above the axil(s). |
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opposite 1 |
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arrangement |
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Disposed in pairs along the axis, the members of each pair inserted at the same level across from one another. |
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faceted |
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solid shape |
|
Having numerous, relatively small, flat or shallowly curved portions of the external surface that are bounded by more or less distinct angular discontinuities in that surface. |
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fluted |
|
solid shape |
|
Having rounded to angular longitudinal grooves. |
|
acicular 1 |
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plane shape |
|
Very slenderly elongate, widest near the middle, and gradually attenuate to an acute apex and a blunter base; like the lateral outline of a needle. |
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flanged |
|
solid shape |
|
Having a relatively broad circumferential rim or ridge that protrudes laterally. |
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prophyllar |
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position |
|
Upon or otherwise directly associated with the prophylls (bracteoles, bractlets). |
|
gynomonoecious |
|
reproduction |
taxon |
Having all plants with both bisexual flowers and pistillate ones. |
|
pulvinus pl. pulvini |
|
STRUCTURE |
|
A short, cushion-like swelling at the junction of stem and leaf or of inflorescence axis and branch. |
|
revolute 1 |
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margin |
|
Rolled inward abaxially. |
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reclinate |
|
vernation |
|
Each with its blade oriented downward and parallel to the proximal portion of its distally recurved petiole. |
|
imperfect |
|
architecture |
flower |
Having either stamens or pistils absent or non-functional, thus unisexual. |
|
arrangement |
|
CHARACTER |
|
Disposition of equivalent structures with respect to one another (positions/insertions and/or orientations, regarded collectively) within some explicit or implicit standard context. Overlaps conceptually with habit, insertion, orientation, position, and shape. |
|
involucrate 2 |
|
architecture |
capitulum (head) |
Having an involucre. |
|
infrapetiolar |
|
position |
bud |
Axillary and surrounded by the petiole base at maturity. |
|
septate 2 |
|
architecture |
trichome |
Unicellular to multicellular with transverse partitions (septa) that are common cell walls (intercellular) and/or intrusions from longitudinal cell walls (intracellular). |
|
coherent |
|
fusion |
equivalent structures |
Joined superficially, with no significant histological continuity. |
|
loose 2 |
|
texture |
|
Soft overall, discontinuously and only weakly cohesive. |
|
lineate 1 |
|
coloration |
|
Having very narrow, straight, clear or colored lines that contrast with the ground color. |
|
apiculum 1 pl. apicula |
|
STRUCTURE |
|
A short, slender, angular tip that is not notably harder or stiffer than the main body of the bearing structure. See also mucro. |
