pore |
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FEATURE |
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A small aperture or opening in a wall or covering that allows transport between interior and exterior. |
explosive |
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dehiscence |
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Opening abruptly with almost instantaneous aperture formation and release of accumulated structural tensions, the contents thus forcibly expelled. |
epiphyllous |
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position |
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Upon the leaves, or partially adnate thereto and apparently arising therefrom. |
watery |
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texture |
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Liquid and weakly cohesive, flowing freely; like water. This term often implies also transparency. |
canalicular |
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position |
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Upon or otherwise directly associated with the channel of a petiole or petiolule. |
fluted |
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solid shape |
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Having rounded to angular longitudinal grooves. |
marginal |
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position |
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Upon or otherwise directly associated with the margins. |
alternate 2 |
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arrangement |
structures in multiple whorls |
Having those of each whorl staggered radially in relation to those of the adjacent whorl(s). |
heterogamous |
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reproduction |
plant, inflorescence |
Having flowers that differ distinctly in size, shape and/or constitution. |
basifixed |
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fixation |
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Attached at its base. |
spathe |
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STRUCTURE |
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A usually relatively large, sometimes showy, foliose bract subtending and sometimes partially enclosing an inflorescence, esp. a spadicate one; in Liliidae (monocotyledons). |
sinuate |
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margin |
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Having regular, curved, smoothly connected, alternating concavities and convexities. See also repand. |
microphyllous |
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architecture |
plant |
Bearing microphylls. |
coloration |
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CHARACTER |
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Hue(s), intensity(ies), and/or pattern (if any) of coloring. When more than one hue and/or intensity is involved, a term describing the pattern of contrast will be applicable, and the description as a whole should be phrased to indicate the particular role of each in the pattern; e.g., "ovaries striate, yellow on green"; "petals pink, spotted yellow basally"; "sepals green, suffused with red". |
pericolpate |
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architecture |
pollen grain |
Having more than three surficial grooves (colpi) oriented such that some or all of them cross meridians. |
pericolporate |
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architecture |
pollen grain |
Pericolpate, each groove containing a pore. |
chaff 2 |
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STRUCTURE |
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Collectively, the glumes, lemmata, and paleae of mature spikelets; in Poaceae (Gramineae). |
thallus 1 pl. thalli |
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STRUCTURE |
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The vegetative portion of a shoot when not differentiated into stem and leaves; esp. in Lemnaceae. |
apiculum 2 pl. apicula |
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STRUCTURE |
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The apex of a connective, when prolonged above the union of the anthers. |
wiry |
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architecture |
axis |
Relatively very narrow and elongate, tough, and resiliently flexible. |
oblique 2 |
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orientation |
planate lateral structure |
Lying in a plane not coincident with the one defined by its longitudinal axis and that of the bearing structure. |
scorpioid cyme |
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nominative |
inflorescence |
A cyme in which each axial segment branches to only one side, the successive segments branching alternately to either side, the whole appearing to have a continuous, elongate, straight to zig-zag main axis. See also cincinnus, helicoid cyme (bostryx). |
rhizomatous |
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architecture |
plant |
Having rhizomes. |
floricane |
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STRUCTURE |
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A biennial or perennial stem after it has begun flowering, when that does not occur until at least its second season of growth; applied especially to the stems of brambles (Rubus spp.). |
twig |
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STRUCTURE |
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The terminal portion of an ultimate branch of a woody stem, representing the most recent increment of growth and bearing or having borne the current or most recent increment of leaves. See also branchlet. |