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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. |
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twining |
= voluble |
habit |
axis |
Coiling about other plants or objects during growth, thus achieving support. |
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twisted |
= contorted |
architecture |
axis |
Having a helical pattern of relief and/or coloration along its length. |
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two-… |
= bi…, di… |
prefix |
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Indicating presence of or constitution by two entities of the type denoted by the term's stem; as in two-cleft, two-flowered, two-loculed. See also individual entries for terms with this prefix whose meanings, at least in some applications, are more specific than usually indicated by such combination; and also double-… (bi…, twice-…). |
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two-lipped |
= bilabiate; < labiate, lipped |
architecture |
perianth, calyx, corolla |
Strongly zygomorphic with connate and/or coherent members whose distal portions form two unequal, opposing, lip-like structures, one adaxial, one abaxial. See also gaping (personate, ringent). |
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U-form |
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arrangement |
bundle scars |
Disposed in a truncated elliptical pattern, like the letter U. |
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umbel |
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nominative |
inflorescence |
Pedunculate, determinate or indeterminate, simple or compound and apparently polychotomous, with one or more pedicellate flowers terminating each ultimate axis, the pedicels of each such floral set and the branches (rays) arising from each axial subdivision diverging from each other like the ribs of an umbrella, the whole plane, convex or concave distally. |
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umbel-like |
= umbelliform |
architecture |
capitulescence, inflorescence |
Resembling an umbel, but not strictly such. |
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umbellate |
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architecture |
inflorescence |
Comprising one or more umbels. |
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umbellet |
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nominative |
inflorescence |
A single set of pedicellate flowers in a compound umbel. |
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umbelliform |
= umbel-like |
architecture |
capitulescence, inflorescence |
Resembling an umbel, but not strictly such. |
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umbilicate |
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solid shape |
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Having a relatively small, transversely round, central depression in an essentially round broad face. |
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umbo pl. umbines, umbos |
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FEATURE |
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A relatively small, rounded or conical, central protrusion upon an essentially round, broad face. |
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umbonate |
= bossed |
solid shape |
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Having an umbo. |
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umbraculiform |
= umbrella-shaped |
solid shape |
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Having a slender, elongate proximal axis and a very broad, meniscoid distal portion, the latter oriented with its convex face distal; like an umbrella. |
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umbrella-shaped |
= umbraculiform |
solid shape |
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Having a slender, elongate proximal axis and a very broad, meniscoid distal portion, the latter oriented with its convex face distal; like an umbrella. |
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unbranched 1 |
= eramous |
architecture |
axis, laminar vein |
Not branching at any point. |
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unbranched 2 |
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architecture |
laminar veinlet |
Not branching within the areole. |
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unciform |
= hook-shaped |
solid shape |
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Very slenderly elongate with a more or less straight proximal portion and a recurved terminal portion, the whole resembling a hook. |
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uncinate |
= hamate, hooked |
apex |
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Having a recurved terminal portion that resembles a hook. |
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unctuous 1 |
= greasy, oily, oleaginous |
coating |
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Of a grease- or oil-like film. |
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unctuous 2 |
= greasy, oily, oleaginous |
texture |
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Liquid or deformably solid, cohesive, and slippery to the touch. |
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undershrub |
= subshrub, suffrutex |
nominative |
plant |
Of shrub-like form but with only the base woody, bearing herbaceous branches that die back at the end of each growing season. See also bush, frutex, shrub, tree, woody clump. |
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undulate |
= wavy |
margin |
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Having regular, curved, smoothly connected, alternating, wave-like deviations upward and downward from the general plane of the structure. |
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unequal |
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size |
equivalent structures |
Distinctly differing in extent. See also equal, subequal. |