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conic(al) |
= cone-shaped |
solid shape |
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Transversely round, essentially triangular in median longitudinal section, and broadest proximally. See also obconic(al). |
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pith |
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STRUCTURE |
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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. |
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decurved |
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orientation |
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Curving abaxially. See also incurved. |
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elongate |
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solid shape |
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Longer in one dimension than in any other. |
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sack-shaped |
= bag-shaped, pouch-shaped, saccate |
solid shape |
|
Irregularly obovoid with an exterior aspect intermediate between inflated and flaccid; like a closed pouch or bag. |
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first glume |
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STRUCTURE |
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The lower (proximal) or sometimes solitary small bract inserted at the base of a grass (Poaceae) spikelet, the second glume, when present, inserted immediately above (distal to) it. |
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hydrocyanic |
= almondy |
odor |
|
Pungently fruity like almonds, due to the presence of hydrocyanin or a closely related compound. |
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lageniform |
= ampulliform, flask-shaped |
solid shape |
|
Generally circular in cross-section, broadest at or below the middle, approximately globose below that and constricted above to a relatively narrow neck; like a flask. |
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tubiform |
= trumpet-shaped |
solid shape |
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Obteretely tubular with a relatively short distal flare (the limb if a perianth, calyx, or corolla). |
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whip-like |
= flagelliform |
solid shape |
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Very slender, terete, generally straight, and apparently supple. |
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…angled |
= …gonous |
solid shape |
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Elongate with the number of longitudinal angles indicated by the prefix, the intervening sides transversely flat or curved; as in four-angled. See also …angular (…gonal), deltoid, obdeltoid, triquetrous. |
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moniliform |
= beaded |
solid shape |
|
Elongate, relatively slender, transversely round, and more or less regularly constricted over its length, the whole straight or variously curved; like a necklace of beads. |
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barbellule |
= barbellula |
STRUCTURE |
|
A small barbel (barbella); a very diminutive barb. |
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cap cell |
|
STRUCTURE |
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The single cell, or one of the several cells, forming the uppermost (distal) portion of an antheridial wall. |
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one-sided 3 |
= unilateral |
position |
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Upon or arising from one side only of the bearing structure. |
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petiole |
< stalk, stipe (broad sense, not recommended) |
STRUCTURE |
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The stalk, when present, of a leaf. |
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psilate |
= bald, glabrous |
pubescence |
|
Lacking trichomes. |
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fascicled 2 |
= bundled (not recommended), fasciculate |
arrangement |
|
Disposed in one or more fascicles, the members of each inserted close together and only slightly if at all divergent from one another. |
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sericeous |
= silky |
pubescence |
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Of or bearing long, fine, appressed, capillate trichomes and like silk to the touch. |
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squamellose |
< scaly |
pubescence |
|
Finely squamose (lepidote). |
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hilum 1 pl. hila |
|
FEATURE |
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The scar left on a seed at the point of its abscission from the funiculus. |
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superaxillary |
|
position |
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Internodal but close to and directly above the axil(s). |
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joint |
= articulation |
STRUCTURE |
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A distinct, relatively narrow zone of demarcation between adjacent main portions of an elongate structure, often thicker than the rest of the structure and sometimes a site of eventual abscission. |
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tri… 1 |
= three-… |
prefix |
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Indicating presence of or constitution by three entities of the type denoted by the term's stem; as in tricarpellate, trifurcate, trilocular. |
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vestigial |
< obsolete (not recommended), rudimentary |
manifestation |
|
Not developing fully and not functional compared with corresponding structures in other taxa, and thought to have devolved to that state from a fully developed and functional structure in an ancestral taxon. |
